December Weather in New Smyrna Beach, Florida - 2025

New Smyrna Beach is a small community located in Volusia County in the north of Florida's east coast. It is known for its peaceful atmosphere and beautiful white-sand beaches. This slow-moving town is a popular spot for visitors who come to enjoy the picturesque views of the beaches, historic relevance of the small town, and a year-round friendly climate. New Smyrna holds an undeniable charm which simply no one can ignore and be also voted as one of the best small art towns in America.

Weather December 2025 in New Smyrna Beach Florida:

Generally, December in New Smyrna Beach will be really nice, with an average temperature of around 71°F / 22°C. As there is not a lot of humidity, it will feel comfortable. You can expect around 7 rainy days, with on average 1.5 inches / 38 mm of rain during the month of December.
Comfortable with dry air with nice temperatures
Gamweb / CC BY-SA

December weather in New Smyrna Beach Florida

To get a good overview of the type of weather you can expect in December in New Smyrna Beach, we will look at the day and night temperature, minimum and maximum water temperature, and if December is comfortable or humid

Generally, December in New Smyrna Beach will be really nice. Historical data shows that you can expect an average temperature of around 71°F / 22°C. As there is not a lot of humidity, it will feel comfortable. During the night, it will cool down to around 55°F / 13°C. Many will prefer a location with air conditioning due to the humidity level.

New Smyrna Beach has rainy days in December. You can expect around 7 rainy days, with on average 1.5 inches / 38 mm of rain during the whole month.

Average temperature
Average Sea temperature
Wintersun Comfort grade and huricane risk

The forecast for December 2025 is based on historical data and are averages. They will give a good indication what you can expect, but the daily temperature and rain will fluctuate during the month.

December weather in New Smyrna Beach Florida in more detail

To get a better feeling for the type of weather, you can expect in December in New Smyrna Beach, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds

- What will the temperature be in New Smyrna Beach in December

Generally, you can expect in December an average temperature of 71°F / 22°C during the day and an average of 55°F / 13°C during the night. In December, during the warmest part of the afternoon, the temperature can often get as high as 82°F / 28°C, and at the end of the night, it can get as low as 32°F / 0°C.

When looking at the whole year, January is the coldest month, with an average temperature of around 69°F / 21°C. June, July and August are the hottest months, with an average temperature of around 87°F / 31°C. When comparing December with the temperature in the month before and after, this is almost equal to November, which sees an average maximum temperature of around 75°F / 24°C. And almost equal to January, which sees an average maximum temperature of around 69°F / 21°C.

Day and night temperature variation for New Smyrna Beach during the year.
Day and night temperature variation for New Smyrna Beach during the year.

But average temperatures only tell half of the story. It is also good to check the maximum and minimum temperatures. When looking at the whole year, June, July and August are the hottest months, with a temperature of around 95°F / 35°C. January and December are the coldest months, with a temperature of around 82°F / 28°C. When comparing December with the temperature in the month before and after, this is almost equal to November, which sees an average maximum temperature of around 84°F / 29°C. And equal to January, which sees an average maximum temperature of around 82°F / 28°C.

In the following graph, you can see how many cold and hot days you can expect in New Smyrna Beach each month:

Day and night temperature variation for New Smyrna Beach during the year.
Day and night temperature variation for New Smyrna Beach during the year.

- Can you expect rain in December in New Smyrna Beach?

Generally, you can expect about 7 rain days in December, with on average 1.5 inches / 38 mm of rain.

When looking at the whole year, November is the dryest month, with an average rainfall of around 1.4 inches / 35 mmmm. September is the wettest month, with an average rainfall of around 3.1 inches / 78 mmmm. When comparing December with the month before and after, this is slightly more than November, which sees around 1.4 inches / 35 mm of rain. And less than January, which sees around 1.8 inches / 45 mm of rain

Rain days for New Smyrna Beach during the year.
Rain days for New Smyrna Beach during the year.

If we look at the number of days with rain, December is the month with the least amount of rain days with an average of between 7 and 8 days. August is the month with the most rain days with an average of between 21 and 22 days. When comparing December with the month before and after, this is almost equal to November, which sees around 8 days of rain. And almost equal to January, which sees around 9 days of rain

- What will the water temperature be in New Smyrna Beach for December

You can expect in December, the water temperature for New Smyrna Beach to be between 75°F / 24°C and 71°F / 22°C.

To compare the water temperature we will use the maximum water temperature. You can expect this temperature on a more sunny day, close to the shore, when the wind does not mix the relatively warmer and colder water.

August has the highest water temperature, with an average of between 86°F / 30°C and 87°F / 31°C. February has the lowest water temperature, with around 73°F / 23°C. When comparing the water temperature from December with the month before and after, December has a water temperature slightly lower than November, with a water temperature of around 80°F / 27°C. And almost equal to the water temperature from January, that is an average of between 73°F / 23°C and 75°F / 24°C.

Water temperature for New Smyrna Beach during the year.
Water temperature for New Smyrna Beach during the year.

- Can you expect in December a lot of sunny days in New Smyrna Beach

Generally, you can expect around 9 sunny days in December and around 15 partly sunny days. The remaining days will be cloudy.

When looking at the whole year, April is the month with the highest number of sunny days, with around 12 sunny days. July is the month with the lowest number of sunny days, with an average of between 5 and 6 sunny days. When comparing December with the number of sunny days in the month before and after, it is almost equal to November, with an average of between 10 and 11 sunny days. And almost equal to January, with an average of between 9 and 10 sunny days

The number of sunny, partly sunny, and cloudy days for New Smyrna Beach
The number of sunny, partly sunny, and cloudy days for New Smyrna Beach

We have looked at the sunny days in New Smyrna Beach. Let's also look at the cloudy or overcast days. January is the month with the highest number of cloudy days, with around 7 cloudy days. May is the month with the lowest number of cloudy days, with around 3 cloudy days. When comparing December with the number of cloudy days in the month before and after, it is almost equal to November, with around 5 cloudy days. And almost equal to January, with around 7 cloudy days

- Will it be comfortable in December in New Smyrna Beach?

Generally, December in New Smyrna Beach will not be very humid, and will feel comfortable.

We use the humidity and temperature in New Smyrna Beach to calculate the Wintersun Expert Comfort level for each month. The lower the Wintersun Expert Comfort level, the more comfortable it will be. Only for certain people, extremely dry air can feel slightly uncomfortable.

When looking at the whole year, January has the lowest humidity, with a Wintersun Expert comfort level of "comfortable" (very dry air). July has the highest humidity, with a Wintersun Expert comfort level of "very uncomfortable" (very high humidity). When comparing December with the month before and after, this is slightly more than November, which has a Wintersun Comfort level of "very comfortable" (dry air). And more than January, which has a Wintersun Comfort level of "very comfortable" (dry air)

Wintersun Expert Humidity / Comfort level for New Smyrna Beach
Wintersun Expert Humidity / Comfort level for New Smyrna Beach

What to do in New Smyrna Beach Florida in December

New Smyrna Beach may be a small, easygoing location, but it is full of opportunities and interesting sights. Here is a list of some of the most popular places that one can visit.

  • Beaches: The small beach community is widely known for its unique sandy beaches and the abundant amenities that come along. You will get witness some of the most breathtaking sunset/sunrise views at these beaches.
  • Sugar Mill Ruins: A historic landmark of the area which dates back to more than two centuries. A great place for visitors who are keen to explore the interesting antiquity of the plantation.
  • Museum of History: The museum offers interesting exhibits from the past and offers great insight. It is the most recommended place for visitors who want to learn about the town's historic relevance.
  • Atlantic Center for the Arts: It offers you an opportunity to witness some of the most impressive selection of art pieces. The center is home to many artists and is located on the shores of Turnbull Bay.
  • Smyrna Dunes Park: A popular coastal park that looks over to the magnificent views of the Indus River, Ponce de Leon Inlet, and the Atlantic Ocean. There is a 2-mile long boardwalk situated in the park which is ideal for long walks and enjoying the beautiful views.
  • Hub on Canal Street: A fascinating district of cultural amenities and imposing displays of art. The place is full of life and colors all around with beautiful historic buildings and is the heart of all festivity.

Is it humid in New Smyrna Beach Florida in December?

A lot of people ask interested in the humidity or relative humidity for New Smyrna Beach Florida in December. But the real question they want to ask is not about humidity but the amount of moisture in the air. Or better, about comfort. Will it be comfortable in December in New Smyrna Beach, or will high humidity make it uncomfortable.

To answer this question, we have to look at the dew point. Relative humidity can change a lot in New Smyrna Beach during the day and night, as it changes when the amount of moisture changes and, but also when the temperature changes. It is a lot less reliable for comfort. Where the dew point only varies with the amount of moisture in the air.

Looking at the dew point, we can see that for the month of December, you can expect that New Smyrna Beach will not be very humid, and will feel comfortable.

January is the month with the most comfort. It will have dry air, and will feel very comfortable. July is the most uncomfortable month. It will have a very high humidity, and can feel very uncomfortable. In the graph, you can see that there is a significant difference between the most comfortable and most uncomfortable months

Humidity level for New Smyrna Beach
Humidity level for New Smyrna Beach

Is December a good time to go to New Smyrna Beach Florida?

Trying to answer the question of whether December is a good time to go to New Smyrna Beach is not as easy as it first seems. Some people like colder weather, and others prefer a warmer climate. Some are fine with some humidity, and others are not. If your location has air conditioning, the night temperature is less important.

These are some examples. I will try to answer the question with a more generic person in mind. The more detailed information in this article should be enough to check further if this applies to you as well.

If we look at the average temperature for New Smyrna Beach in December, we can see that it will be fine for most people. In December, you can expect it to be really nice, with an average temperature of around 71°F / 22°C. As there is not a lot of humidity, it will feel comfortable. During the night, it will be around 55°F / 13°C.

The number of overcast days is more than 5, but you can still the sun with around 9 sunny days and 15 partly sunny days.

The last aspect we will look at is rain. You can expect around 7 rainy days, with on average 1.5 inches / 38 mm of rain during December. More then 5 days rain per month makes the chance higher you will see some rain during a shorter stay. But a day with rain does not mean a day you can not enjoy.

We have looked at the average day temperature, the night temperature, humidity, the number of overcast days, and the rain. We think that December a good time to go to New Smyrna Beach Florida for most visitors.

Does it rain all day in New Smyrna Beach Florida in December?

In New Smyrna Beach, it does not rain all day in December. You can expect around 7 rainy days, with on average 1.5 inches / 38 mm of rain during the month.

Another way of looking at the rain is the number of sunny days. For New Smyrna Beach Florida, there are, on average 9 sunny days and 15 partly sunny days in December. That clearly shows that it is not raining all the time.

Is December the rainiest month in New Smyrna Beach Florida?

December is not the month with the most rainy days, and not the month with the most rain.

To answer what the rainiest month is in New Smyrna Beach, we will both look at the month with the most rain, and the month with the highest number of rainy days.

August is the month with the the highest number of rainiest days. On average, you can expect 22 days with rain. December is the month with the lowest number of rainy days, with aproximately 7 days.

August is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 3.1 inches / 78 mm of rain. December is the month with the least amount of rain. This is not the same month as the one with the lowest number of rainy days. You can expect approximately 1.4 inches / 35 mm of rain.

Is December the most sunniest month in New Smyrna Beach Florida?

December is not the month with the most sunny days, not the month with the most partly sunny days, and it is not the month with the lowest number of overcast days.

To answer what the sunniest month is in New Smyrna Beach, we will of course look at the month with the most sunniest days, but also look at the month with the biggest number of days that are sunny or partly sunny.

April is the month with the highest number of sunny days. On average, you can expect 9 sunny days, and 15 partly suny days. July is the month with the lowest number of sunny days.

May is the month with the highest number of sunny days and partly sunny days combined. While February is the month with the lowest number of sunny days and partly sunny days combined.

The last thing we will look at is the number of overcast days. May is the month with the lowest number of overcast days. While January is the month with the highest number of overcast days.

More information about New Smyrna Beach Florida

Weather in New Smyrna Beach Florida in other months

What to do in New Smyrna Beach Florida for each month

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