August Weather in Alamogordo, New Mexico - 2025

Alamogordo New Mexico is the county seat of Otero County and was founded in 1898. It is known for its many cottonwood trees and its connection with the 1945 Trinity Test, which was the first-ever atomic bomb detonated at the Alamogordo Test Range.

Alamogordo offers a breathtaking landscape with its location at the base of the Sacramento Mountains, and the views of the snow-capped peaks. The region experiences pleasant weather, and it offers several attractions, activities, and outdoor recreation to its visitors. The area is also popular for camping, because of its scenic views and outdoor activities. Local wineries and the abundant pistachio groves are the hallmarks of the region.

August weather in Alamogordo New Mexico

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

Generally, August in Alamogordo will be quite hot. Historical data shows that you can expect an average temperature of around 89°F / 32°C. Due to the dry air, it will feel very comfortable. During the night, it will cool down to around 69°F / 21°C.

Alamogordo has its share of rainy days in August. You can expect around 18 rainy days, with on average 3 inches / 77 mm of rain during the whole month.

August weather in Alamogordo New Mexico in more detail

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

- What will the temperature be in Alamogordo in August

Generally, you can expect in August an average temperature of 89°F / 32°C during the day and an average of 69°F / 21°C during the night. In August, during the warmest part of the afternoon, the temperature can often get as high as 95°F / 35°C, and at the end of the night, it can get as low as 62°F / 17°C.

When looking at the whole year, December is the coldest month, with an average temperature of around 53°F / 12°C. June is the hottest month, with an average temperature of around 91°F / 33°C. When comparing August with the temperature in the month before and after, this is equal to July, which sees an average maximum temperature of around 89°F / 32°C. And slightly more than September, which sees an average maximum temperature of around 84°F / 29°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, June and July are the hottest months, with a temperature of around 98°F / 37°C. January and December are the coldest months, with a temperature of around 66°F / 19°C. When comparing August with the temperature in the month before and after, this is almost equal to July, which sees an average maximum temperature of around 98°F / 37°C. And almost equal to September, which sees an average maximum temperature of around 91°F / 33°C.

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

- Can you expect rain in August in Alamogordo?

Generally, you can expect about 18 rain days in August, with on average 3 inches / 77 mm of rain.

When looking at the whole year, April is the dryest month, with an average rainfall of around 0.4 inches / 9 mmmm. July and August are the wettest months, with an average rainfall of around 3 inches / 77 mm. When comparing August with the month before and after, this is equal to July, which sees around 3 inches / 77 mm of rain. And a lot more than September, which sees around 1.5 inches / 39 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 around 3 days. July is the month with the most rain days with an average of between 19 and 20 days. When comparing August with the month before and after, this is almost equal to July, which sees an average of between 19 and 20 days of rain. And more than September, which sees an average of between 9 and 10 days of rain

- What will the water temperature be in Alamogordo for August

You can expect in August, the water temperature for Alamogordo to be between 69°F / 21°C and 64°F / 18°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 69°F / 21°C. February has the lowest water temperature, with around 60°F / 16°C. When comparing the water temperature from August with the month before and after, August has a water temperature almost equal to July, with a water temperature of around 69°F / 21°C. And almost equal to the water temperature from September, that is around 69°F / 21°C.

- Can you expect in August a lot of sunny days in Alamogordo

Generally, you can expect around 9 sunny days in August and around 20 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 20 and 21 sunny days. August is the month with the lowest number of sunny days, with an average of between 8 and 9 sunny days. When comparing August with the number of sunny days in the month before and after, it is almost equal to July, with around 9 sunny days. And less than September, with around 16 sunny days

We have looked at the sunny days in Alamogordo. Let's also look at the cloudy or overcast days. December is the month with the highest number of cloudy days, with an average of between 4 and 5 cloudy days. April is the month with the lowest number of cloudy days, with an average of between 0 and 1 cloudy days. When comparing August with the number of cloudy days in the month before and after, it is almost equal to July, with an average of between 2 and 3 cloudy days. And almost equal to September, with around 2 cloudy days

- Will it be comfortable in August in Alamogordo?

Generally, August in Alamogordo will have dry air, and will feel very comfortable.

We use the humidity and temperature in Alamogordo 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, February 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 comfortable" (low humidty). When comparing August with the month before and after, this is slightly less than July, which has a Wintersun Comfort level of "very comfortable" (low humidty). And more than September, which has a Wintersun Comfort level of "comfortable" (very dry air)

What to do in Alamogordo New Mexico in August

Alamogordo offers its visitors some really good places to explore and enjoy:

• New Mexico Museum of Space History;  which has a broad display of the history of space travel. The activities & exhibits available keep adults & kids engaged.
• Alamogordo Museum of History; is a history museum. It takes you from prehistoric times to modern day with its collection of historical photographs, documents, and relics from Otero County, New Mexico.
• The Toy Train Depot; is a toy store and a railway museum that features scale models of trains to acquaint the visitors with the railroad history of Alamogordo and New Mexico.  It is also home to America's Park Ride Train Museum, which runs the Alamogordo/Alameda Park Narrow Gauge Railway, a working miniature railway that visitors can ride for a nominal fee.
• Alameda Park Zoo; is the oldest zoo in the region. It was founded in 1898 and it is home to nearly 300 animals representing 90 species.
• The Oliver Lee Memorial State Park; is situated at the base of Dog Canyon and it provides opportunities for camping, hiking, cycling, picnicking, and wildlife viewing.
• The world's largest pistachio, almost 30ft tall, at Mc Ginn's Pistachio Land is a local landmark and it is a great place to take photographs. The pistachio farm has a variety of pistachio nuts in all flavors and the green chili ones are a local favorite. You can also learn about pistachios and how they are grown and processed. 
• The Local breweries and wineries are a must-visit during winter. The Heart of the Desert, Pistachio Land, and Arena Blanca Winery are some of the popular ones you can visit.

Is it humid in Alamogordo New Mexico in August?

A lot of people ask interested in the humidity or relative humidity for Alamogordo New Mexico in August. 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 August in Alamogordo, 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 Alamogordo 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 August, you can expect that Alamogordo will have dry air, and will feel very comfortable.

February 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 low humidty, and will feel very comfortable. In the graph, you can see that there is a significant difference between the most comfortable and most uncomfortable months

Is August a good time to go to Alamogordo New Mexico?

Trying to answer the question of whether August is a good time to go to Alamogordo 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 Alamogordo in August, we can see that it will be too hot for a lot of visitors. In August, you can expect it to be quite hot, with an average temperature of around 89°F / 32°C. Due to the dry air, it will feel very comfortable. During the night, it will be around 69°F / 21°C.

As the number of overcast days is not high, you can enjoy the sun with around 9 sunny days and 20 partly sunny days.

The last aspect we will look at is rain. You can expect around 18 rainy days, with on average 3 inches / 77 mm of rain during August. 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 August in Alamogordo New Mexico is not the most optimal destination. But that doesn't mean it is not a good time for you to go. As said before, each visitor has their own preferences when it comes to the weather.

Does it rain all day in Alamogordo New Mexico in August?

In Alamogordo, it does not rain all day in August. You can expect around 18 rainy days, with on average 3 inches / 77 mm of rain during the month.

Another way of looking at the rain is the number of sunny days. For Alamogordo New Mexico, there are, on average 9 sunny days and 20 partly sunny days in August. That clearly shows that it is not raining all the time.

Is August the rainiest month in Alamogordo New Mexico?

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

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

July is the month with the the highest number of rainiest days. On average, you can expect 19 days with rain. November is the month with the lowest number of rainy days, with aproximately 3 days.

July 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 inches / 77 mm of rain. November is the month with the least amount of rain. These are not the same months as the ones with the lowest number of rainy days. You can expect approximately 0.4 inches / 9 mm of rain.

Is August the most sunniest month in Alamogordo New Mexico?

August is not the month with the most sunny days, it is 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 Alamogordo, 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 9 sunny days, and 20 partly suny days. August 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. April is the month with the lowest number of overcast days. While December is the month with the highest number of overcast days.

More information about Alamogordo New Mexico

Weather in Alamogordo New Mexico in other months

• Weather in Alamogordo New Mexico for January
• Weather in Alamogordo New Mexico for February
• Weather in Alamogordo New Mexico for March
• Weather in Alamogordo New Mexico for April
• Weather in Alamogordo New Mexico for May
• Weather in Alamogordo New Mexico for June
• Weather in Alamogordo New Mexico for July
• Weather in Alamogordo New Mexico for September
• Weather in Alamogordo New Mexico for October
• Weather in Alamogordo New Mexico for November
• Weather in Alamogordo New Mexico for December

What to do in Alamogordo New Mexico for each month

• What to do in January in Alamogordo New Mexico
• What to do in February in Alamogordo New Mexico
• What to do in March in Alamogordo New Mexico
• What to do in April in Alamogordo New Mexico
• What to do in May in Alamogordo New Mexico
• What to do in June in Alamogordo New Mexico
• What to do in July in Alamogordo New Mexico
• What to do in August in Alamogordo New Mexico
• What to do in September in Alamogordo New Mexico
• What to do in October in Alamogordo New Mexico
• What to do in November in Alamogordo New Mexico
• What to do in December in Alamogordo New Mexico