Delaware (Wilmington)
May
Weather in Delaware for May 2027
Your guide to Delaware weather in May - trends and predictions
In general, the average temperature in Delaware at the beginning of May is 21.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.9 °F by the end of May.
Delaware experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 201.2 mm.
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Temperatures
Rain 🌧️
More
10
Dry days
21
Rainy days
0
Snow days
21°/12°
Temperatures
18 km/h
Avg max wind
72 %
Avg humidity
Delaware Weather May
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What’s the Weather Like in Delaware This May?
Discover the average temperatures and weather trends across Delaware’s cities this May.
Temperatures trend during May in Delaware
See the weather trend as well as the moving average line
May weather in Delaware day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Cloudy | 19° /8° | 0 mm | 9 | |
| May 2 |  Overcast | 21° /10° | 0.5 mm | 8 | |
| May 3 |  Moderate or heavy rain shower | 22° /11° | 4.7 mm | 9 | |
| May 4 | Moderate or heavy rain shower | 21° /12° | 6.5 mm | 7 | |
| May 5 | Moderate or heavy rain shower | 23° /15° | 2 mm | 6 | |
| May 6 | Moderate or heavy rain shower | 21° /15° | 9.9 mm | 4 | |
| May 7 | Overcast | 21° /11° | 6.1 mm | 7 | |
| May 8 |  Patchy rain possible | 21° /10° | 0.4 mm | 8 | |
| May 9 | Moderate or heavy rain shower | 17° /10° | 8.2 mm | 4 | |
| May 10 |  Sunny | 23° /9° | 5.2 mm | 10 | |
| May 11 |  Partly cloudy | 19° /10° | 0 mm | 7 | |
| May 12 | Overcast | 22° /10° | 0 mm | 9 | |
| May 13 | Moderate or heavy rain shower | 22° /13° | 9 mm | 5 | |
| May 14 | Moderate or heavy rain shower | 17° /12° | 6.1 mm | 3 | |
| May 15 | Moderate or heavy rain shower | 20° /13° | 5.9 mm | 4 | |
| May 16 | Moderate or heavy rain shower | 25° /13° | 1.9 mm | 6 | |
| May 17 | Moderate rain at times | 28° /18° | 0.5 mm | 7 | |
| May 18 | Patchy rain possible | 27° /16° | 0.1 mm | 11 | |
| May 19 | Sunny | 28° /16° | 0.8 mm | 10 | |
| May 20 | Overcast | 24° /14° | 2.8 mm | 10 | |
| May 21 |  Heavy rain at times | 13° /10° | 12.8 mm | 2 | |
| May 22 | Moderate rain at times | 17° /10° | 11.3 mm | 5 | |
| May 23 | Moderate rain at times | 13° /9° | 14.6 mm | 3 | |
| May 24 | Patchy rain possible | 18° /10° | 8 mm | 7 | |
| May 25 | Cloudy | 20° /10° | 2.3 mm | 7 | |
| May 26 | Partly cloudy | 23° /14° | 0 mm | 11 | |
| May 27 |  Mist | 23° /15° | 4.4 mm | 6 | |
| May 28 | Moderate or heavy rain shower | 19° /12° | 40.3 mm | 7 | |
| May 29 | Fog | 23° /12° | 0.9 mm | 8 | |
| May 30 | Moderate or heavy rain shower | 21° /14° | 13.8 mm | 7 | |
| May 31 | Light rain shower | 24° /12° | 22.2 mm | 7 | |
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Important Notice
Our weather forecast for Delaware 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 Delaware forecast closer to your planned date for the most up-to-date weather information.
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Delaware in May - FAQ
What are the expected maximum and minimum temperatures in Delaware 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 Delaware during May?
Significant rainfall exceeding 201.2 mm is expected in Delaware during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Delaware during May?
The average wind speed in Delaware during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Delaware
Explore the daily rainfall trends and prepare for Delawares May weather 💧
Typically, Delaware has 21 rainy days in May with a total of 201.2 mm of rainfall.
UV exposure in Delaware during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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