United States in may: average Weather, Temperature and Climate, Where to go?
Weather in the United States (USA) in may 2025
Below, you have access to the weather forecast for may for most popular cities in United States. These predictions are probabilities for the month of may from weather reports for many years. The percentage indicates the probability of having the weather indicated.
Average weather in may in California
perfect weather UV index: 7
Weather at 6am
65°F
Clear/Sunny
70% of time
20%
5%
5%
Weather at 12pm
83°F
Clear/Sunny
75% of time
18%
4%
2%
Weather at 6pm
76°F
Clear/Sunny
75% of time
19%
6%
2%
Weather at 3am
59°F
72%
20%
4%
3%
Where to go in the United States (USA) in may?
Where to go in the United States (USA) in may: destination map
Where to go in each region in may?
| Alaska (Anchorage, Fairbanks, Ketchikan...) | 31°F to 59°F | 1 à 12 days | 32°F to 49°F | very bad weather* |
| California (Los Angeles , San Francisco, San Diego...) | 52°F to 90°F | 0 à 6 days | 54°F to 65°F | perfect weather* |
| Florida (Miami, Orlando, Key West...) | 81°F to 88°F | 5 à 14 days | 76°F to 83°F | good weather |
| Hawaii (Honolulu (Oahu), Kauai (Garden Isle), Maui...) | 68°F to 81°F | 1 à 10 days | 77°F to 79°F | good weather* |
| Louisiana (New Orleans, Baton Rouge, Shreveport...) | 81°F to 86°F | 4 à 9 days | 77°F to 79°F | good weather |
| Midwest (Chicago, Minneapolis (Minnesota), Detroit...) | 63°F to 76°F | 5 à 11 days | 47°F to 52°F | good weather* |
| Northeastern Coast of United States (Washington D. C., New York City, Boston...) | 56°F to 77°F | 3 à 10 days | 45°F to 61°F | good weather* |
| Northwest Coast of United States (Seattle, Portland, Long Beach (Washington)...) | 56°F to 68°F | 2 à 8 days | 47°F to 56°F | tolerable weather* |
| Rocky Mountains (Las Vegas, Salt Lake City, Yellowstone National Park...) | 49°F to 90°F | 0 à 14 days | good weather* | |
| South East of United States (Atlanta, Myrtle Beach, Nashville...) | 70°F to 85°F | 5 à 10 days | 70°F to 79°F | good weather |
| South West of United States (Dallas, Grand Canyon, Phoenix (Arizona)...) | 70°F to 95°F | 0 à 9 days | 79°F | good weather* |
Where should you go in the United States (USA) in may when it comes to the weather?
Remember:
The climate in the United States (USA) in may ranges from perfect to bad depending on the region and city.
On the month of may the weather is perfect in United States, but partially because it concerns only the cities of Hollywood, Joshua Tree National Park, Santa Monica, Napa Valley, Las Vegas, Tucson, Phoenix (Arizona) and Los Angeles (California). Around these cities, these perfect weather conditions will allow you to enjoy a maximum your holidays: the sun is guaranteed, rainfall is scarce and the humidity is not too high. It is therefore the ideal month to travel to these cities!
Apart from of Hollywood, Joshua Tree National Park, Santa Monica, Napa Valley, Las Vegas, Tucson, Phoenix (Arizona) and Los Angeles (California), the weather is good in the cities of Hampton Beach, Kansas, Grand Canyon, Massachusetts, Utah, Louisiana, New York City, Virginia Beach, Detroit, Mobile (Alabama), Rhode Island, San Francisco, Albuquerque, New Orleans, Fort Lauderdale, Austin, Moab, Dallas, Wyoming, Oklahoma, Santa Fe (New Mexico), Seattle, Philadelphia, Wildwood, Atlanta, Santa Barbara, Houston, North Carolina, Monument Valley, Connecticut, Tampa, Salem, Cleveland, Hawaii (Honolulu), Jacksonville, Chicago, Wisconsin, Washington D. C., South Carolina, Myrtle Beach, Reno, Illinois, Louisville (Kentucky), North Dakota, Palm Springs, Minneapolis, Missouri, Key West, Mississippi, Vermont, Miami (Florida), Virginia, Orlando, Nashville, Maryland, Denver, San Diego, Arkansas, Death Valley National Park, Maine, Niagara Falls, Portland, Boston, New Jersey, Salt Lake City and Sacramento. Around here, temperatures are pleasing and allow you to visit - and why not do a bit of sunbathing in the sun!
If you do not go lazing in the sun, but, for example to discover the heritage, the cities of Anchorage, Zion National Park and Lake Tahoe have a OK but just acceptable weather for that in may. Eventually, avoid going in the cities of Montana, Alaska, Yosemite National Park, Yellowstone National Park and Jackson Hole that month because the climate is bad.
Climate in the United States (USA) in may
Climate in California in may
In may, the mean temperature in California is 76°F (maximum temperature is 85°F and minimum temperature is 65°F). The climate is enjoyable here in may. There is no rain during may. You will therefore be at the shelter from rain throughout your vacations!
With a perfect climate, may is an advisable month to go in that area.
| May | |||
| Average temperature | 76°F | ||
| Highest temperature | 85°F | ||
| Lowest temperature | 65°F | ||
| Sea temperature | 63°F | ||
| Rainfall | 0.9in | ||
| Number of days with rainfall | 2 day(s) (5%) | ||
| Humidity | 53% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 14% | ||
| Length of day | 14:08 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Louisiana in may
In may, maximum temperature is 85°F and minimum temperature is 68°F (for an average temperature of 76°F). The climate quite enjoyable in this city in this month. With 6.6in over 9 days, you risk getting wet slightly throughout your journey. But this is pretty reasonably and it is only of temporary showers.
With a good weather, the month of may is an advisable month to go in this locality in United States.
| May | |||
| Average temperature | 76°F | ||
| Highest temperature | 85°F | ||
| Lowest temperature | 68°F | ||
| Rainfall | 6.6in | ||
| Number of days with rainfall | 9 day(s) (29%) | ||
| Humidity | 93% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 35% | ||
| Length of day | 13:44 | ||
| Our opinion at whereandwhen.net | good |
Climate in Washington D. C. in may
In may, the mean temperature in Washington D. C. is 70°F (maximum temperature is 77°F and minimum temperature is 63°F). The climate quite nice in that locality in this month. With 5.7in over 9 days, rain may occur throughout your vacations. But this is rather reasonably and it is only of temporary showers.
With a good climate, the month of may is an advisable month to go in this city in United States.
| May | |||
| Average temperature | 70°F | ||
| Highest temperature | 77°F | ||
| Lowest temperature | 63°F | ||
| Sea temperature | 58°F | ||
| Rainfall | 5.7in | ||
| Number of days with rainfall | 9 day(s) (28%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 42% | ||
| Length of day | 14:19 | ||
| Our opinion at whereandwhen.net | good |
Climate in Alaska in may
In the month of may, maximum temperature is 52°F and minimum temperature is 38°F (for an average temperature of 45°F). The climate is fairly cold in this location in this month, but it is tolerable when dressing cosy. With about 2.4in over 4 days, rain may be scarce for your holidays.
| May | |||
| Average temperature | 45°F | ||
| Highest temperature | 52°F | ||
| Lowest temperature | 38°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 4 day(s) (12%) | ||
| Humidity | 77% | ||
| Daily sunshine hours | 17 | ||
| Cloud cover | 42% | ||
| Length of day | 18:29 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Atlanta in may
In may, the mean temperature in Atlanta is 74°F (maximum temperature is 81°F and minimum temperature is 67°F). The climate pleasant here in the month of may. With 4.1in over 7 days, you will experience some showers throughout your journey. But this is reasonably and you will not be too bothered by it.
With a good climate, the month of may is a good month to go in this city.
| May | |||
| Average temperature | 74°F | ||
| Highest temperature | 81°F | ||
| Lowest temperature | 67°F | ||
| Rainfall | 4.1in | ||
| Number of days with rainfall | 7 day(s) (23%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 31% | ||
| Length of day | 13:55 | ||
| Our opinion at whereandwhen.net | good |
All cities in the United States (USA) in may
| California in may | perfect weather |
| Louisiana in may | good weather |
| Washington D. C. in may | good weather |
| Alaska in may | very bad weather |
| Atlanta in may | good weather |
| Boston in may | good weather |
| Chicago in may | good weather |
| Dallas in may | good weather |
| Grand Canyon in may | good weather |
| Hawaii (Honolulu) in may | perfect weather |
| Las Vegas in may | perfect weather |
| Miami (Florida) in may | good weather |
| New York City in may | good weather |
| Salt Lake City in may | tolerable weather |
| Seattle in may | good weather |
| Yellowstone National Park in may | very bad weather |
| Austin in may | good weather |
| Denver in may | tolerable weather |
| Detroit in may | good weather |
| Houston in may | good weather |
| Long Beach (Washington) in may | tolerable weather |
Weather data for United States in may:
Weather data for United States in may 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).