Get Exclusive App Deals

Delaware

Travel Info

Delaware Trending place to visit

More destinations

Delaware Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Delaware year round climate

  • Spring (March–May): Average 48–64°F, climate transitions from cold to warm, March has more rainfall, April starts to become dry. Common activities: Outdoor walks, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt, and rain gear in March.
  • Summer (June–August): Average 73–79°F, hot and dry, less rainfall. Common activities: Beach activities, outdoor picnics. Suggested clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 50–69°F, temperature gradually decreases, September has more rainfall, then becomes dry. Common activities: Maple leaf viewing, outdoor hiking. Suggested clothing: Comfortable jacket, long-sleeved shirt.
  • Winter (December–February): Average 39–42°F, cold and humid, more rainfall. Common activities: Indoor activities, museum visits. Suggested clothing: Warm jacket, hat, scarf, gloves.

Delaware climatological average

Annual average temperature: approx. 59.0°F / Annual rainfall: approx. 801 mm / Summer humidity: 60%–70% / Rainiest month: March

Delaware monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
39.2°F
138.1
February
42.6°F
60.5
March
48.6°F
166.5
April
57.7°F
43.8
May
64.6°F
0
June
73.6°F
0
July
79.5°F
0
August
76.5°F
42.2
September
70°F
113.8
October
58.8°F
34.9
November
50.2°F
46.6
December
41.7°F
155.3

Delaware weather for the next seven days

3/16
Monday
Moderate rain
70.2°F/55.9°F
3/17
Tuesday
Moderate rain
43.5°F/30.2°F
3/18
Wednesday
Overcast
38.8°F/27.1°F
3/19
Thursday
Partly Cloudy
52°F/32.7°F
3/20
Friday
Patchy rain nearby
59.1°F/38.4°F
3/21
Saturday
Patchy rain nearby
52.4°F/41.9°F
3/22
Sunday
Patchy rain nearby
74.2°F/42.8°F