Arlington County
May
Weather in Arlington County for May 2025
Your guide to Arlington County weather in May - trends and predictions
In general, the average temperature in Arlington County at the beginning of May is 22.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 24.4 °F by the end of May.
Expect significant rainfall in Arlington County during May, with an average of 19 rainy days.
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12
Dry days
19
Rainy days
0
Snow days
22°/13°
Temperatures
14 km/h
Avg max wind
76 %
Avg humidity
Arlington County in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  29° | 3 23° | 4  13° | |||
| 5 20° | 6 25° | 7 24° | 8  30° | 9 24° | 10 15° | 11 17° |
| 12 16° | 13  24° | 14 20° | 15 16° | 16 20° | 17  24° | 18  16° |
| 19 20° | 20  25° | 21 25° | 22 30° | 23 24° | 24 27° | 25  26° |
| 26 27° | 27 26° | 28  23° | 29 22° | 30 22° | 31 25° |
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Temperatures trend during May in Arlington County
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 | Light rain shower | 25° /17° | 1.4 mm | 6 | |
| May 2 | Partly cloudy | 29° /15° | 0 mm | 7 | |
| May 3 | Partly cloudy | 23° /12° | 1.4 mm | 6 | |
| May 4 | Light rain | 13° /11° | 8.9 mm | 3 | |
| May 5 | Light rain shower | 20° /11° | 15.4 mm | 5 | |
| May 6 | Light rain shower | 25° /16° | 10.5 mm | 6 | |
| May 7 | Light rain shower | 24° /17° | 5.7 mm | 5 | |
| May 8 | Patchy light rain with thunder | 30° /17° | 1.4 mm | 7 | |
| May 9 | Light rain shower | 24° /18° | 4.1 mm | 5 | |
| May 10 | Light rain shower | 15° /11° | 24.3 mm | 4 | |
| May 11 | Light drizzle | 17° /9° | 1.7 mm | 4 | |
| May 12 | Patchy light drizzle | 16° /9° | 1.8 mm | 4 | |
| May 13 | Mist | 24° /8° | 0 mm | 5 | |
| May 14 | Light drizzle | 20° /15° | 4.8 mm | 4 | |
| May 15 | Light rain shower | 16° /14° | 20.7 mm | 4 | |
| May 16 | Patchy rain possible | 20° /14° | 0.3 mm | 5 | |
| May 17 | Cloudy | 24° /13° | 0 mm | 5 | |
| May 18 | Moderate rain | 16° /13° | 15 mm | 4 | |
| May 19 | Fog | 20° /13° | 0.2 mm | 5 | |
| May 20 | Overcast | 25° /11° | 1.9 mm | 6 | |
| May 21 | Partly cloudy | 25° /11° | 1.5 mm | 7 | |
| May 22 | Partly cloudy | 30° /14° | 2.1 mm | 7 | |
| May 23 | Partly cloudy | 24° /14° | 2.6 mm | 6 | |
| May 24 | Overcast | 27° /12° | 0 mm | 6 | |
| May 25 | Sunny | 26° /14° | 0.3 mm | 6 | |
| May 26 | Sunny | 27° /13° | 3.6 mm | 7 | |
| May 27 | Sunny | 26° /14° | 4.7 mm | 6 | |
| May 28 | Moderate or heavy rain shower | 23° /14° | 3.8 mm | 5 | |
| May 29 | Moderate or heavy rain shower | 22° /14° | 5.9 mm | 5 | |
| May 30 | Overcast | 22° /12° | 0.3 mm | 5 | |
| May 31 | Sunny | 25° /10° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Arlington County 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 Arlington County forecast closer to your planned date for the most up-to-date weather information.
Arlington County in May - FAQ
What are the expected maximum and minimum temperatures in Arlington County during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Arlington County during May?
Significant rainfall exceeding 149.3 mm is expected in Arlington County during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Arlington County during May?
The average wind speed in Arlington County during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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