United States
May
Weather in the United States for May 2025
Your guide to the United States weather in May - trends and predictions
In general, the average temperature in the United States at the beginning of May is 16.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24 °F by the end of May.
With an average of 5 rainy days, United States experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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26
Dry days
5
Rainy days
0
Snow days
23°/10°
Temperatures
18 km/h
Avg max wind
59 %
Avg humidity
United States in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  19° | 3 14° | 4 13° | |||
| 5 14° | 6  19° | 7  23° | 8 24° | 9 18° | 10  18° | 11 20° |
| 12 20° | 13 21° | 14 22° | 15 22° | 16 21° | 17 21° | 18 20° |
| 19 22° | 20 20° | 21 23° | 22 24° | 23 24° | 24 26° | 25 23° |
| 26 26° | 27 22° | 28 25° | 29 25° | 30  22° | 31 25° |
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Temperatures trend during May in the United States
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Patchy rain possible | 16° /10° | 1.7 mm | 4 | |
| May 2 | Moderate rain at times | 19° /10° | 1.8 mm | 5 | |
| May 3 | Patchy rain possible | 14° /9° | 0.5 mm | 4 | |
| May 4 | Moderate rain at times | 13° /8° | 4.5 mm | 3 | |
| May 5 | Patchy rain possible | 14° /8° | 8.8 mm | 4 | |
| May 6 | Overcast | 19° /10° | 0.8 mm | 4 | |
| May 7 | Partly cloudy | 23° /12° | 0.8 mm | 6 | |
| May 8 | Partly cloudy | 24° /14° | 4.6 mm | 6 | |
| May 9 | Moderate or heavy rain shower | 18° /12° | 1.9 mm | 5 | |
| May 10 | Sunny | 18° /10° | 3.7 mm | 5 | |
| May 11 | Overcast | 20° /9° | 0.1 mm | 5 | |
| May 12 | Sunny | 20° /11° | 6.1 mm | 5 | |
| May 13 | Overcast | 21° /13° | 0.1 mm | 5 | |
| May 14 | Overcast | 22° /13° | 2.7 mm | 5 | |
| May 15 | Sunny | 22° /12° | 0.1 mm | 6 | |
| May 16 | Overcast | 21° /13° | 3.1 mm | 5 | |
| May 17 | Sunny | 21° /12° | 0 mm | 5 | |
| May 18 | Sunny | 20° /10° | 0 mm | 6 | |
| May 19 | Overcast | 22° /12° | 0 mm | 5 | |
| May 20 | Moderate or heavy rain shower | 20° /13° | 8.6 mm | 5 | |
| May 21 | Overcast | 23° /13° | 0 mm | 6 | |
| May 22 | Patchy rain possible | 24° /15° | 1.3 mm | 6 | |
| May 23 | Partly cloudy | 24° /15° | 5.1 mm | 6 | |
| May 24 | Sunny | 26° /14° | 0.2 mm | 7 | |
| May 25 | Sunny | 23° /13° | 0 mm | 6 | |
| May 26 | Sunny | 26° /14° | 1.6 mm | 6 | |
| May 27 | Sunny | 22° /14° | 7.5 mm | 6 | |
| May 28 | Partly cloudy | 25° /15° | 0 mm | 6 | |
| May 29 | Sunny | 25° /15° | 2.3 mm | 6 | |
| May 30 | Cloudy | 22° /12° | 2.9 mm | 5 | |
| May 31 | Sunny | 25° /12° | 0 mm | 6 | |
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Important Notice
Our weather forecast for the United States in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the United States forecast closer to your planned date for the most up-to-date weather information.
United States in May - FAQ
What are the expected maximum and minimum temperatures in United States during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in United States during May?
Significant rainfall exceeding 113.3 mm is expected in United States during May, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in United States during May?
The average wind speed in United States during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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