United States in august: average Weather, Temperature and Climate, Where to go?
Weather in the United States (USA) in august 2025
Here, you have access to the weather forecast for the month of august for most popular cities in United States. These forecasts are statistics for the month of august from weather reports for over 10 years. The percentage indicates the possibility of having the weather indicated.
Average weather in august in California
good weather UV index: 9
Weather at 6am
76°F
Clear/Sunny
92% of time
8%
1%
1%
Weather at 12pm
101°F
Clear/Sunny
93% of time
7%
1%
1%
Weather at 6pm
90°F
Clear/Sunny
92% of time
7%
2%
1%
Weather at 3am
70°F
92%
8%
1%
1%
Where to go in the United States (USA) in august?
Where to go in the United States (USA) in august: destination map
Where to go in each region in august?
| Alaska (Anchorage, Fairbanks, Ketchikan...) | 41°F to 65°F | 3 à 16 days | 49°F to 58°F | tolerable weather* |
| California (Los Angeles , San Francisco, San Diego...) | 68°F to 106°F | 0 à 4 days | 54°F to 70°F | perfect weather* |
| Florida (Miami, Orlando, Key West...) | 86°F to 94°F | 12 à 23 days | 85°F to 88°F | tolerable weather* |
| Hawaii (Honolulu (Oahu), Kauai (Garden Isle), Maui...) | 72°F to 85°F | 1 à 10 days | 79°F to 81°F | perfect weather* |
| Louisiana (New Orleans, Baton Rouge, Shreveport...) | 88°F to 97°F | 5 à 16 days | 88°F | tolerable weather* |
| Midwest (Chicago, Minneapolis (Minnesota), Detroit...) | 79°F to 92°F | 4 à 11 days | 76°F to 77°F | good weather |
| Northeastern Coast of United States (Washington D. C., New York City, Boston...) | 74°F to 88°F | 3 à 11 days | 58°F to 81°F | good weather |
| Northwest Coast of United States (Seattle, Portland, Long Beach (Washington)...) | 65°F to 85°F | 1 à 2 days | 54°F to 59°F | good weather* |
| Rocky Mountains (Las Vegas, Salt Lake City, Yellowstone National Park...) | 68°F to 104°F | 0 à 10 days | good weather* | |
| South East of United States (Atlanta, Myrtle Beach, Nashville...) | 83°F to 92°F | 6 à 19 days | 83°F to 88°F | good weather* |
| South West of United States (Dallas, Grand Canyon, Phoenix (Arizona)...) | 81°F to 106°F | 1 à 12 days | 86°F to 88°F | good weather* |
Where should you go in the United States (USA) in august when it comes to the weather?
Remember:
The climate in the United States (USA) in august ranges from perfect to tolerable depending on the region and city.
On the month of august the weather is perfect in United States, but only in a few cities: in Hollywood, Santa Monica, Napa Valley, San Francisco, Moab, Seattle, Santa Barbara, Salem, Reno, Los Angeles (California), San Diego, Portland, Salt Lake City and Lake Tahoe. In these places, all the conditions are met for enjoy a maximum your trip: the sun is guaranteed, precipitations are scarce and the humidity is not too high. It is therefore the ideal month to visit these cities!
However, the weather is good in Hampton Beach, Kansas, Grand Canyon, Massachusetts, Montana, Utah, Joshua Tree National Park, Louisiana, New York City, Virginia Beach, Detroit, Mobile (Alabama), Rhode Island, Albuquerque, Anchorage, Wyoming, Oklahoma, Las Vegas, Santa Fe (New Mexico), Philadelphia, Yosemite National Park, Wildwood, Atlanta, North Carolina, Monument Valley, Connecticut, Cleveland, Hawaii (Honolulu), Tucson, Jacksonville, Chicago, Wisconsin, Washington D. C., South Carolina, Myrtle Beach, Illinois, Louisville (Kentucky), North Dakota, Palm Springs, Minneapolis, Missouri, Mississippi, Vermont, Virginia, Nashville, Zion National Park, Maryland, Denver, Arkansas, Yellowstone National Park, Maine, Niagara Falls, Boston, New Jersey, Jackson Hole and Sacramento. In these areas, temperatures are suitable and allow you to visit and enjoy the sun.
If you do not go for the sun or the beach, but, for example to go sightseeing, the cities of Alaska, New Orleans, Fort Lauderdale, Austin, Dallas, Houston, Tampa, Phoenix (Arizona), Key West, Miami (Florida), Orlando and Death Valley National Park have a ok but correct weather for this kind of activity in august.
Climate in the United States (USA) in august
Climate in California in august
In the month of august, the mean temperature in California is 90°F (maximum temperature is 104°F and minimum temperature is 76°F). The climate is enjoyable here in the month of august. It's raining really exceptionally during august. You will be well dry for your stay!
With ideal weather conditions, august is a recommended time to go there in United States.
| August | |||
| Average temperature | 90°F | ||
| Highest temperature | 104°F | ||
| Lowest temperature | 76°F | ||
| Sea temperature | 69°F | ||
| Rainfall | 0.2in | ||
| Humidity | 42% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 4% | ||
| Length of day | 13:32 | ||
| Our opinion at whereandwhen.net | good |
Climate in Louisiana in august
In the month of august, the mean temperature in Louisiana is 83°F (maximum temperature is 92°F and minimum temperature is 74°F). The climate is very warm in that area in august. With 9.3in over 13 days, rainfall can happen for your trip. But this is moderate and you will not be too bothered by it.
With a good climate, the month of august is a good month to go in this locality.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 92°F | ||
| Lowest temperature | 74°F | ||
| Rainfall | 9.3in | ||
| Number of days with rainfall | 13 day(s) (42%) | ||
| Humidity | 94% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 32% | ||
| Length of day | 13:16 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Washington D. C. in august
In the month of august, the mean temperature in Washington D. C. is 81°F (maximum temperature is 88°F and minimum temperature is 74°F). The climate is very warm in this city in the month of august. With 5.7in over 9 days, rainfall can happen for your vacations. But this is rather reasonably and you will not be too bothered by it.
With a good climate, august is a good time to go in this city in United States.
| August | |||
| Average temperature | 81°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 74°F | ||
| Sea temperature | 79°F | ||
| Rainfall | 5.7in | ||
| Number of days with rainfall | 9 day(s) (29%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 31% | ||
| Length of day | 13:41 | ||
| Our opinion at whereandwhen.net | good |
Climate in Alaska in august
In the month of august, maximum temperature is 59°F and minimum temperature is 45°F (for an average temperature of 52°F). The climate is quite cold in this location in the month of august, but it is tolerable when dressing hot. With 5.4in over 7 days, you will experience some showers for your holidays. But this is moderate and you will not be too bothered by it.
With proper weather, the month of august is okay (but not good time) for traveling in this city in United States.
| August | |||
| Average temperature | 52°F | ||
| Highest temperature | 59°F | ||
| Lowest temperature | 45°F | ||
| Rainfall | 5.4in | ||
| Number of days with rainfall | 7 day(s) (24%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 15 | ||
| Cloud cover | 52% | ||
| Length of day | 16:22 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Atlanta in august
In august, the mean temperature in Atlanta is 83°F (maximum temperature is 90°F and minimum temperature is 74°F). The climate is very warm in that locality in august. With 5.1in over 9 days, rainfall can happen during your stay. But this is pretty reasonably and it is only of temporary showers.
With a good weather, the month of august is a good month to go there.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 90°F | ||
| Lowest temperature | 74°F | ||
| Rainfall | 5.1in | ||
| Number of days with rainfall | 9 day(s) (30%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 31% | ||
| Length of day | 13:24 | ||
| Our opinion at whereandwhen.net | good |
All cities in the United States (USA) in august
| California in august | good weather |
| Louisiana in august | tolerable weather |
| Washington D. C. in august | good weather |
| Alaska in august | tolerable weather |
| Atlanta in august | good weather |
| Boston in august | good weather |
| Chicago in august | good weather |
| Dallas in august | good weather |
| Grand Canyon in august | perfect weather |
| Hawaii (Honolulu) in august | perfect weather |
| Las Vegas in august | good weather |
| Miami (Florida) in august | tolerable weather |
| New York City in august | good weather |
| Salt Lake City in august | perfect weather |
| Seattle in august | perfect weather |
| Yellowstone National Park in august | tolerable weather |
| Austin in august | good weather |
| Denver in august | perfect weather |
| Detroit in august | good weather |
| Houston in august | good weather |
| Long Beach (Washington) in august | good weather |
Weather data for United States in august:
Weather data for United States in august is derived from an average of the weather forecast since 2009 in the United States (USA). There is a margin of error and these forecasts are to be considered as general information only. The weather in the United States (USA) can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to the United States (USA).