Washington
May
Weather in Washington, Washington, D.C. for May 2027
Your guide to Washington weather in May - trends and predictions
In general, the average temperature in Washington at the beginning of May is 20.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23.6 °C by the end of May.
The climate of Washington in May is notably wet, with an average of 13 rainy days, and a total of 176.7 mm of precipitation.
Is May a good time to visit Washington? check out the best time to travel to Washington page.
✨ Is May a good time to visit Washington? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
18
Dry days
13
Rainy days
0
Snow days
23°/13°
Temperatures
15 km/h
Avg max wind
71 %
Avg humidity
Washington Weather May
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Temperatures trend during May in Washington
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May weather in Washington day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Cloudy | 19° /10° | 0.9 mm | 5 | |
| May 2 | Cloudy | 22° /12° | 0.4 mm | 6 | |
| May 3 |  Patchy rain possible | 21° /12° | 1.8 mm | 6 | |
| May 4 |  Moderate rain | 21° /12° | 12.9 mm | 5 | |
| May 5 |  Light rain | 21° /12° | 5.1 mm | 6 | |
| May 6 | Light rain | 20° /13° | 7.8 mm | 5 | |
| May 7 |  Heavy rain at times | 20° /12° | 7 mm | 4 | |
| May 8 | Patchy rain possible | 21° /11° | 1.8 mm | 6 | |
| May 9 | Moderate rain | 20° /11° | 15 mm | 5 | |
| May 10 | Light rain | 21° /10° | 4.2 mm | 6 | |
| May 11 | Patchy rain possible | 20° /10° | 1 mm | 5 | |
| May 12 | Patchy rain possible | 21° /10° | 1.8 mm | 6 | |
| May 13 | Moderate rain | 22° /13° | 16.4 mm | 6 | |
| May 14 | Moderate rain | 21° /13° | 13.8 mm | 5 | |
| May 15 | Light rain | 24° /13° | 3.8 mm | 6 | |
| May 16 | Patchy rain possible | 25° /14° | 1.6 mm | 6 | |
| May 17 | Light rain | 25° /14° | 3.7 mm | 7 | |
| May 18 | Light rain | 25° /13° | 2.5 mm | 7 | |
| May 19 |  Sunny | 26° /14° | 0.4 mm | 6 | |
| May 20 | Patchy rain possible | 27° /15° | 1 mm | 7 | |
| May 21 | Light rain | 26° /14° | 6.5 mm | 6 | |
| May 22 |  Moderate or heavy rain shower | 27° /15° | 6.2 mm | 6 | |
| May 23 | Light rain | 22° /14° | 3.3 mm | 5 | |
| May 24 | Light rain | 23° /13° | 3.1 mm | 5 | |
| May 25 | Patchy rain possible | 23° /14° | 1.2 mm | 5 | |
| May 26 | Patchy rain possible | 25° /15° | 2 mm | 6 | |
| May 27 | Light rain | 25° /16° | 5.1 mm | 5 | |
| May 28 | Heavy rain at times | 21° /15° | 15.9 mm | 6 | |
| May 29 | Moderate or heavy rain shower | 23° /13° | 8.3 mm | 6 | |
| May 30 | Light rain | 22° /13° | 4.9 mm | 6 | |
| May 31 | Moderate rain | 26° /12° | 17.5 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Washington 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
Washington in May - FAQ
What are the expected maximum and minimum temperatures in Washington during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Washington during May?
Significant rainfall exceeding 176.7 mm is expected in Washington during May, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Washington during May?
The average wind speed in Washington during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Washington
Explore the daily rainfall trends and prepare for Washingtons May weather 💧
Typically, Washington has 13 rainy days in May with a total of 176.7 mm of rainfall.
UV exposure in Washington during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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