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Weather in Delaware for May 2027

Your guide to Delaware weather in May - trends and predictions

    Rain 🌧️

  • Delaware in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 201.2 mm.

    • More

  • Is May a good time to visit Delaware? check out the best time to travel to Delaware page.

  • ✨ Is May a good time to visit Delaware? – Ask the AI Weatherman

Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Delaware Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Cloudy
19°
2
Overcast
21°
3
Light rain
22°
4
Moderate or heavy rain shower
21°
5
Patchy rain possible
23°
6
Moderate or heavy rain shower
21°
7
Light rain
21°
8
Patchy rain possible
21°
9
Moderate or heavy rain shower
17°
10
Light rain
23°
11
Partly cloudy
19°
12
Overcast
22°
13
Moderate or heavy rain shower
22°
14
Moderate or heavy rain shower
17°
15
Moderate or heavy rain shower
20°
16
Patchy rain possible
25°
17
Patchy rain possible
28°
18
Patchy rain possible
27°
19
Sunny
28°
20
Light rain
24°
21
Heavy rain at times
13°
22
Moderate rain
17°
23
Moderate rain
13°
24
Light rain
18°
25
Patchy rain possible
20°
26
Partly cloudy
23°
27
Light rain
23°
28
Heavy rain
19°
29
Fog
23°
30
Moderate rain
21°
31
Moderate rain
24°

What’s the Weather Like in Delaware This May?

Discover the average temperatures and weather trends across Delaware’s cities this May.
Patchy rain possibleWilmington21 °C / 12 °CPatchy rain possibleNewark21 °C / 12 °CPatchy rain possibleLewes21 °C / 13 °CMore Locations

Temperatures trend during May in Delaware

See the weather trend as well as the moving average line

May weather in Delaware day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Cloudy
Cloudy
 19° /8° 0 mm 9
May 2 Overcast
Overcast
 21° /11° 0.5 mm 8
May 3 Light rain
Light rain
 22° /11° 4.7 mm 9
May 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /13° 6.5 mm 7
May 5 Patchy rain possible
Patchy rain possible
 23° /15° 2 mm 6
May 6 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /15° 9.9 mm 4
May 7 Light rain
Light rain
 21° /12° 6.1 mm 7
May 8 Patchy rain possible
Patchy rain possible
 21° /10° 0.4 mm 8
May 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /10° 8.2 mm 4
May 10 Light rain
Light rain
 23° /9° 5.2 mm 10
May 11 Partly cloudy
Partly cloudy
 19° /10° 0 mm 7
May 12 Overcast
Overcast
 22° /10° 0 mm 9
May 13 Moderate or heavy rain shower
Moderate or heavy rain shower
 22° /13° 9 mm 5
May 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /12° 6.1 mm 3
May 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /13° 5.9 mm 4
May 16 Patchy rain possible
Patchy rain possible
 25° /13° 1.9 mm 6
May 17 Patchy rain possible
Patchy rain possible
 28° /19° 0.5 mm 7
May 18 Patchy rain possible
Patchy rain possible
 27° /16° 0.1 mm 10.7
May 19 Sunny
Sunny
 28° /16° 0.8 mm 10
May 20 Light rain
Light rain
 24° /15° 2.8 mm 10
May 21 Heavy rain at times
Heavy rain at times
 13° /10° 12.8 mm 2
May 22 Moderate rain
Moderate rain
 17° /11° 11.3 mm 5
May 23 Moderate rain
Moderate rain
 13° /9° 14.6 mm 3
May 24 Light rain
Light rain
 18° /10° 8 mm 7
May 25 Patchy rain possible
Patchy rain possible
 20° /10° 2.3 mm 7
May 26 Partly cloudy
Partly cloudy
 23° /15° 0 mm 11
May 27 Light rain
Light rain
 23° /15° 4.4 mm 6
May 28 Heavy rain
Heavy rain
 19° /12° 40.3 mm 7
May 29 Fog
Fog
 23° /12° 0.9 mm 8
May 30 Moderate rain
Moderate rain
 21° /15° 13.8 mm 7
May 31 Moderate rain
Moderate rain
 24° /12° 22.2 mm 7
Next
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 16 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 16 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 ☀️
Counties in Delaware
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New Castle CountySussex County
Top locations in Delaware
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LewesNewarkWilmington
More Locations
Quick links
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