United States of America weather in May - temperature, rain and is it a good time to visit?

May is one of the best months for a holiday in United States of America.
Daytime
28°
Night
17°
☀️ Day length
14 h 14 min
Chance of rain
29%
Thunder days
16%
Humid days
52%
WEATHER THROUGH THE YEARUnited States of America - May vs the year14°17°20°24°13°28°17°32°22°34°24°34°23°31°21°27°16°20°10°16°CHANCE OF RAIN (%)202424272927242620192122JanFebMarAprMayJunJulAugSepOctNovDecWARMESTJul (34°)COLDESTJan (14°)DRIESTOct (19%)WETTESTMay (29%)world-prices.com · 2026-07-08 · ★ best months
In May, United States of America averages about 28° during the day and 17° at night. There's a moderate chance of rain (about 29%).

United States of America weather all year - average temperatures and rain

MonthDayNightChance of rain
January 14℃3℃20%
February ★ 17℃6℃24%
March ★ 20℃9℃24%
April ★ 24℃13℃27%
May 28℃17℃29%
June 32℃22℃27%
July 34℃24℃24%
August 34℃23℃26%
September ★ 31℃21℃20%
October ★ 27℃16℃19%
November ★ 20℃10℃21%
December ★ 16℃6℃22%
★ - months most often recommended for travel

Where is it warmest in United States of America in May? Weather by city

PlaceDayNight🌊 SeaChance of rain
Phoenix 34℃21℃-3%
Jacksonville 31℃21℃-34%
San Antonio 31℃20℃-45%
Houston 30℃20℃-0%
Dallas 29℃19℃-42%
Nashville 27℃14℃-37%
Oklahoma City 26℃14℃-41%
Washington 25℃15℃-51%
Los Angeles 24℃15℃17℃9%
New York 21℃14℃15℃32%
Travelling soon? Check the live 14-day weather forecast for United States of America.

United States of America weather - other months

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember