Gaithersburg (MD)
May
Weather in Gaithersburg, Maryland for May 2027
Your guide to Gaithersburg weather in May - trends and predictions
In general, the average temperature in Gaithersburg at the beginning of May is 21 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 21.1 °C by the end of May.
Gaithersburg experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 329.1 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
21°/12°
Temperatures
17 km/h
Avg max wind
74 %
Avg humidity
Gaithersburg Weather May
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Temperatures trend during May in Gaithersburg
See the weather trend as well as the moving average line
May weather in Gaithersburg day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate rain at times | 21° /9° | 0.5 mm | 7 | |
| May 2 |  Cloudy | 20° /12° | 0.1 mm | 8 | |
| May 3 | Moderate or heavy rain shower | 21° /11° | 8.7 mm | 9 | |
| May 4 | Moderate or heavy rain shower | 21° /12° | 7.1 mm | 6 | |
| May 5 | Moderate or heavy rain shower | 24° /14° | 7.4 mm | 6 | |
| May 6 | Moderate or heavy rain shower | 21° /14° | 11.1 mm | 4 | |
| May 7 |  Patchy rain possible | 19° /11° | 1.1 mm | 6 | |
| May 8 |  Heavy rain at times | 20° /9° | 1.9 mm | 9 | |
| May 9 | Heavy rain at times | 18° /9° | 4.7 mm | 6 | |
| May 10 | Cloudy | 23° /8° | 4.4 mm | 10 | |
| May 11 |  Partly cloudy | 20° /10° | 0.4 mm | 7 | |
| May 12 |  Overcast | 21° /9° | 1.3 mm | 7 | |
| May 13 | Moderate or heavy rain shower | 20° /13° | 21.7 mm | 5 | |
| May 14 | Moderate or heavy rain shower | 19° /12° | 19.5 mm | 4 | |
| May 15 | Moderate rain at times | 23° /13° | 3.2 mm | 7 | |
| May 16 | Moderate or heavy rain shower | 28° /14° | 3 mm | 9 | |
| May 17 | Overcast | 28° /18° | 0.4 mm | 9 | |
| May 18 |  Sunny | 28° /16° | 0.1 mm | 10 | |
| May 19 | Overcast | 27° /15° | 0.1 mm | 8 | |
| May 20 | Overcast | 25° /13° | 8.3 mm | 9 | |
| May 21 | Moderate or heavy rain shower | 14° /11° | 8.4 mm | 2 | |
| May 22 | Moderate or heavy rain shower | 17° /10° | 14.3 mm | 3 | |
| May 23 | Patchy rain possible | 14° /9° | 7.4 mm | 6 | |
| May 24 | Cloudy | 19° /10° | 2.8 mm | 7 | |
| May 25 | Partly cloudy | 20° /11° | 2.3 mm | 7 | |
| May 26 | Overcast | 22° /14° | 2 mm | 7 | |
| May 27 | Overcast | 22° /15° | 3 mm | 6 | |
| May 28 |  Heavy rain | 17° /12° | 29.8 mm | 7 | |
| May 29 |  Fog | 23° /11° | 0 mm | 8 | |
| May 30 |  Moderate or heavy rain with thunder | 21° /15° | 31.6 mm | 7 | |
| May 31 | Moderate rain at times | 23° /11° | 34.3 mm | 8 | |
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Important Notice
Our weather forecast for Gaithersburg 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 Gaithersburg forecast closer to your planned date for the most up-to-date weather information.
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Gaithersburg in May - FAQ
What are the expected maximum and minimum temperatures in Gaithersburg during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gaithersburg during May?
Significant rainfall exceeding 329.1 mm is expected in Gaithersburg during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gaithersburg during May?
The average wind speed in Gaithersburg during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Gaithersburg
Explore the daily rainfall trends and prepare for Gaithersburgs May weather 💧
Typically, Gaithersburg has 21 rainy days in May with a total of 329.1 mm of rainfall.
UV exposure in Gaithersburg during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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