City of Fairfax (Fairfax)
May
Weather in City of Fairfax, Virginia for May 2026
Your guide to City of Fairfax weather in May - trends and predictions
The forecast for the next days in City of Fairfax predicts temperatures to be around 21 °F, close to the historical average.
In general, the average temperature in City of Fairfax at the beginning of May is 21.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 22.9 °F by the end of May.
City of Fairfax experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 342.4 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
22°/14°
Temperatures
15 km/h
Avg max wind
75 %
Avg humidity
City of Fairfax Weather May
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Temperatures trend during May in City of Fairfax
See the weather trend as well as the moving average line
May weather in City of Fairfax day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Light rain shower | 21° /12° | 0.6 mm | 6 | |
| May 2 |  Overcast | 23° /12° | 0 mm | 7 | |
| May 3 |  Sunny | 24° /12° | 0.5 mm | 7 | |
| May 4 |  Light rain | 20° /12° | 19.7 mm | 6 | |
| May 5 | Light rain shower | 24° /14° | 9.6 mm | 7 | |
| May 6 |  Moderate rain | 29° /12° | 6.4 mm | 3.5 | |
| May 7 | Patchy rain possible | 12° /8° | 2.5 mm | 1.1 | |
| May 8 | Sunny | 20° /5° | 0 mm | 0.7 | |
| May 9 | Patchy rain possible | 22° /11° | 1.6 mm | 3 | |
| May 10 | Patchy rain possible | 27° /9° | 0.2 mm | 4 | |
| May 11 |  Mist | 17° /12° | 0 mm | 3 | |
| May 12 |  Partly cloudy | 23° /9° | 0 mm | 5 | |
| May 13 | Partly cloudy | 27° /12° | 0.1 mm | 5 | |
| May 14 | Patchy rain possible | 27° /16° | 0.3 mm | 5 | |
| May 15 | Patchy rain possible | 32° /18° | 2.1 mm | 5 | |
| May 16 | Patchy rain possible | 13° /12° | 1.7 mm | 3 | |
| May 17 | Patchy rain possible | 12° /9° | 2.6 mm | 3 | |
| May 18 | Patchy rain possible | 11° /9° | 0.5 mm | 3 | |
| May 19 | Sunny | 17° /7° | 0 mm | 4 | |
| May 20 | Fog | 20° /12° | 0.1 mm | 5 | |
| May 21 | Mist | 22° /12° | 23.1 mm | 5 | |
| May 22 |  Thundery outbreaks possible | 26° /14° | 6.2 mm | 6 | |
| May 23 | Light rain shower | 22° /13° | 3.9 mm | 5 | |
| May 24 | Patchy rain possible | 24° /13° | 0.1 mm | 6 | |
| May 25 | Thundery outbreaks possible | 25° /14° | 0.1 mm | 6 | |
| May 26 |  Patchy light rain with thunder | 26° /15° | 3.9 mm | 6 | |
| May 27 | Light rain shower | 25° /15° | 6.8 mm | 6 | |
| May 28 |  Cloudy | 20° /13° | 30.2 mm | 5 | |
| May 29 | Light rain shower | 23° /13° | 4.6 mm | 5 | |
| May 30 | Patchy rain possible | 21° /14° | 10.8 mm | 5 | |
| May 31 | Sunny | 20° /12° | 53.4 mm | 5 | |
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Important Notice
Our weather forecast for City of Fairfax 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 City of Fairfax forecast closer to your planned date for the most up-to-date weather information.
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City of Fairfax in May - FAQ
What are the expected maximum and minimum temperatures in City of Fairfax during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City of Fairfax during May?
Significant rainfall exceeding 342.4 mm is expected in City of Fairfax during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in City of Fairfax during May?
The average wind speed in City of Fairfax during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in City of Fairfax
Explore the daily rainfall trends and prepare for City of Fairfaxs May weather 💧
Typically, City of Fairfax has 21 rainy days in May with a total of 342.4 mm of rainfall.
UV exposure in City of Fairfax during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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