October Weather in St. Marys, Georgia - 2025

The historic town of St. Mary's lies in the Camden County of Georgia and is bordered by the Atlantic Ocean on the east. With a strong cultural background and interesting history, this town has been an important snowbird location for some time. It is home to some of the most pristine sea forests and widespread beaches. There are multiple comforts and pleasures readily available for you to indulge in to make this visit the perfect stress-free getaway.

October weather in St. Marys Georgia

To get a good overview of the type of weather you can expect in October in St. Marys, we will look at the day and night temperature, minimum and maximum water temperature, and if October is comfortable or humid

Generally, October in St. Marys will be really nice. Historical data shows that you can expect an average temperature of around 80°F / 27°C. Due to the dry air, it will feel very comfortable. During the night, it will cool down to around 66°F / 19°C.

St. Marys has rainy days in October. You can expect around 9 rainy days, with on average 2 inches / 52 mm of rain during the whole month.

October weather in St. Marys Georgia in more detail

To get a better feeling for the type of weather, you can expect in October in St. Marys, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds

- What will the temperature be in St. Marys in October

Generally, you can expect in October an average temperature of 80°F / 27°C during the day and an average of 66°F / 19°C during the night. In October, during the warmest part of the afternoon, the temperature can often get as high as 87°F / 31°C, and at the end of the night, it can get as low as 48°F / 9°C.

When looking at the whole year, January is the coldest month, with an average temperature of around 66°F / 19°C. July and August are the hottest months, with an average temperature of around 89°F / 32°C. When comparing October with the temperature in the month before and after, this is slightly lower than September, which sees an average maximum temperature of around 86°F / 30°C. And slightly more than November, which sees an average maximum temperature of around 73°F / 23°C.

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, July is the hottest month, with a temperature of around 98°F / 37°C. January is the coldest month, with a temperature of around 78°F / 26°C. When comparing October with the temperature in the month before and after, this is slightly lower than September, which sees an average maximum temperature of around 93°F / 34°C. And almost equal to November, which sees an average maximum temperature of around 84°F / 29°C.

In the following graph, you can see how many cold and hot days you can expect in St. Marys each month:

- Can you expect rain in October in St. Marys?

Generally, you can expect about 9 rain days in October, with on average 2 inches / 52 mm of rain.

When looking at the whole year, November is the dryest month, with an average rainfall of around 1.3 inches / 33 mmmm. August is the wettest month, with an average rainfall of around 3.5 inches / 89 mmmm. When comparing October with the month before and after, this is a lot less than September, which sees around 2.9 inches / 74 mm of rain. And a lot more than November, which sees around 1.3 inches / 33 mm of rain

If we look at the number of days with rain, November 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 around 21 days. When comparing October with the month before and after, this is less than September, which sees an average of between 15 and 16 days of rain. And almost equal to November, which sees an average of between 7 and 8 days of rain

- What will the water temperature be in St. Marys for October

You can expect in October, the water temperature for St. Marys to be between 84°F / 29°C and 73°F / 23°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 around 86°F / 30°C. February has the lowest water temperature, with around 62°F / 17°C. When comparing the water temperature from October with the month before and after, October has a water temperature almost equal to September, with a water temperature of around 84°F / 29°C. And slightly more than the water temperature from November, that is around 77°F / 25°C.

- Can you expect in October a lot of sunny days in St. Marys

Generally, you can expect around 13 sunny days in October and around 14 partly sunny days. The remaining days will be cloudy.

When looking at the whole year, October is the month with the highest number of sunny days, with an average of between 12 and 13 sunny days. July is the month with the lowest number of sunny days, with around 5 sunny days. When comparing October with the number of sunny days in the month before and after, it is slightly higher than September, with around 9 sunny days. And slightly more than November, with an average of between 10 and 11 sunny days

We have looked at the sunny days in St. Marys. Let's also look at the cloudy or overcast days. January is the month with the highest number of cloudy days, with around 9 cloudy days. May is the month with the lowest number of cloudy days, with an average of between 3 and 4 cloudy days. When comparing October with the number of cloudy days in the month before and after, it is almost equal to September, with around 6 cloudy days. And almost equal to November, with an average of between 5 and 6 cloudy days

- Will it be comfortable in October in St. Marys?

Generally, October in St. Marys will have dry air, and will feel very comfortable.

We use the humidity and temperature in St. Marys 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 October with the month before and after, this is slightly less than September, which has a Wintersun Comfort level of "comfortable" (not very humid). And slightly more than November, which has a Wintersun Comfort level of "very comfortable" (dry air)

What to do in St. Marys Georgia in October

St. Mary's is an important tourist location with many places you can visit in the area:

• Orange Hall:  Since 1838, this glorious mansion cast her spell on preachers, planters, civil war soldiers, and practitioners of medicine and law. The story of Orange Hall is complex, fascinating, filled with synchronicity.
• St. Mary's Submarine Museum: The museum's 5,000 square feet of the exhibition features real and working shipboard equipment. A ship's control panel, the ballast control panel, periscope, and working sonar panels give exciting visuals of the interior of a submarine.
• Crooked River State Park: Crooked River State Park is a popular campsite and day park. There is a small per-vehicle parking fee, but the park entrance is free. Crooked River State Park offers beautiful views of local waterways.
• Dungeness Ruins: In a glaring 19th-century example of the privileged one percent, Thomas Carnegie (Andrew's brother) and his wife. Lucy bought ninety percent of Cumberland Island off the Southernmost coast of Georgia. This included constructing a gigantic 59-room St. Ann style mansion on the South shores.
• St. Mary's Express Train Rides: Re-enact history as you ride the rails with entertainment all along the way. At the midway point, watch the locomotive perform a turnaround and experience even more entertainment. A great excursion for people of all ages. The perfect molding of adventure and serenity as you journey into yesteryears.

Is it humid in St. Marys Georgia in October?

A lot of people ask interested in the humidity or relative humidity for St. Marys Georgia in October. 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 October in St. Marys, 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 St. Marys 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 October, you can expect that St. Marys will have dry air, and will feel very comfortable.

January is the month with the most comfort. It will have very dry air, and can feel somewhat uncomfortable for some people. But will be fine for most.. 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

Is October a good time to go to St. Marys Georgia?

Trying to answer the question of whether October is a good time to go to St. Marys 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 St. Marys in October, we can see that it will be fine for most people. In October, you can expect it to be really nice, with an average temperature of around 80°F / 27°C. Due to the dry air, it will feel very comfortable. During the night, it will be around 66°F / 19°C.

The number of overcast days is more than 5, but you can still the sun with around 13 sunny days and 14 partly sunny days.

The last aspect we will look at is rain. You can expect around 9 rainy days, with on average 2 inches / 52 mm of rain during October. 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 October a good time to go to St. Marys Georgia for most visitors.

Does it rain all day in St. Marys Georgia in October?

In St. Marys, it does not rain all day in October. You can expect around 9 rainy days, with on average 2 inches / 52 mm of rain during the month.

Another way of looking at the rain is the number of sunny days. For St. Marys Georgia, there are, on average 13 sunny days and 14 partly sunny days in October. That clearly shows that it is not raining all the time.

Is October the rainiest month in St. Marys Georgia?

October 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 St. Marys, 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 21 days with rain. November 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 3.5 inches / 89 mm of rain. November 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 1.3 inches / 33 mm of rain.

Is October the most sunniest month in St. Marys Georgia?

October is 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 St. Marys, 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.

October is the month with the highest number of sunny days. On average, you can expect 13 sunny days, and 14 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 St. Marys Georgia

Weather in St. Marys Georgia in other months

• Weather in St. Marys Georgia for January
• Weather in St. Marys Georgia for February
• Weather in St. Marys Georgia for March
• Weather in St. Marys Georgia for April
• Weather in St. Marys Georgia for May
• Weather in St. Marys Georgia for June
• Weather in St. Marys Georgia for July
• Weather in St. Marys Georgia for August
• Weather in St. Marys Georgia for September
• Weather in St. Marys Georgia for November
• Weather in St. Marys Georgia for December

What to do in St. Marys Georgia for each month

• What to do in January in St. Marys Georgia
• What to do in February in St. Marys Georgia
• What to do in March in St. Marys Georgia
• What to do in April in St. Marys Georgia
• What to do in May in St. Marys Georgia
• What to do in June in St. Marys Georgia
• What to do in July in St. Marys Georgia
• What to do in August in St. Marys Georgia
• What to do in September in St. Marys Georgia
• What to do in October in St. Marys Georgia
• What to do in November in St. Marys Georgia
• What to do in December in St. Marys Georgia