May
Weather in Washington, D.C. for May 2025
Your guide to Washington, D.C. weather in May - trends and predictions
In general, the average temperature in Washington, D.C. at the beginning of May is 20.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.9 °F by the end of May.
Washington, D.C. experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 95.1 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
23°/12°
Temperatures
14 km/h
Avg max wind
71 %
Avg humidity
Washington, D.C. in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  23° | 3  20° | 4  20° | |||
| 5 19° | 6  20° | 7  20° | 8 21° | 9 21° | 10 19° | 11 21° |
| 12  22° | 13 22° | 14 21° | 15 23° | 16 23° | 17 23° | 18 22° |
| 19 25° | 20 28° | 21 30° | 22 31° | 23 25° | 24 24° | 25 25° |
| 26 27° | 27 26° | 28 23° | 29 23° | 30 23° | 31 27° |
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Temperatures trend during May in Washington, D.C.
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 | Cloudy | 19° /9° | 1.4 mm | 5 | |
| May 2 | Sunny | 23° /11° | 0.3 mm | 6 | |
| May 3 | Moderate or heavy rain shower | 20° /11° | 2.6 mm | 5 | |
| May 4 | Patchy rain possible | 20° /12° | 3.2 mm | 4 | |
| May 5 | Patchy rain possible | 19° /10° | 7.1 mm | 5 | |
| May 6 | Overcast | 20° /11° | 8.1 mm | 5 | |
| May 7 | Heavy rain at times | 20° /10° | 10 mm | 5 | |
| May 8 | Heavy rain at times | 21° /11° | 1.5 mm | 5 | |
| May 9 | Cloudy | 21° /10° | 2.1 mm | 5 | |
| May 10 | Sunny | 19° /9° | 6.1 mm | 5 | |
| May 11 | Cloudy | 21° /8° | 0.4 mm | 5 | |
| May 12 | Partly cloudy | 22° /9° | 0.4 mm | 5 | |
| May 13 | Moderate or heavy rain shower | 22° /12° | 6.4 mm | 5 | |
| May 14 | Overcast | 21° /13° | 2.1 mm | 5 | |
| May 15 | Partly cloudy | 23° /12° | 5.7 mm | 6 | |
| May 16 | Patchy rain possible | 23° /13° | 2.3 mm | 5 | |
| May 17 | Partly cloudy | 23° /12° | 0.4 mm | 6 | |
| May 18 | Partly cloudy | 22° /10° | 3.7 mm | 6 | |
| May 19 | Sunny | 25° /13° | 0.6 mm | 6 | |
| May 20 | Overcast | 28° /14° | 0.5 mm | 7 | |
| May 21 | Partly cloudy | 30° /14° | 0.4 mm | 7 | |
| May 22 | Cloudy | 31° /16° | 1.7 mm | 7 | |
| May 23 | Cloudy | 25° /15° | 1.5 mm | 6 | |
| May 24 | Heavy rain at times | 24° /13° | 3.5 mm | 5 | |
| May 25 | Overcast | 25° /14° | 0.1 mm | 6 | |
| May 26 | Patchy rain possible | 27° /14° | 1.8 mm | 6 | |
| May 27 | Cloudy | 26° /16° | 5.6 mm | 6 | |
| May 28 | Heavy rain at times | 23° /15° | 4.3 mm | 5 | |
| May 29 | Moderate or heavy rain shower | 23° /13° | 9.2 mm | 5 | |
| May 30 | Moderate rain at times | 23° /12° | 1.8 mm | 5 | |
| May 31 | Sunny | 27° /11° | 0 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Washington, D.C. 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 Washington, D.C. forecast closer to your planned date for the most up-to-date weather information.
Washington, D.C. in May - FAQ
What are the expected maximum and minimum temperatures in Washington, D.C. during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Washington, D.C. during May?
Moderate rainfall is anticipated in Washington, D.C. during May, with a total of 95.1 mm spread over approximately 22 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Washington, D.C. during May?
The average wind speed in Washington, D.C. during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Washington, D.C.
Explore the daily rainfall trends and prepare for Washington, D.C.s May weather 💧
UV exposure in Washington, D.C. during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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