Best year time to visit Delaware

General weather information about Delaware

Average annual temperature is 15.3 °C

Absolute maximum temperature: 38.0 °C

Absolute minimum temperature: -8.5 °C

Number of sunny days: 200 days

Number of rainy days: 163 days

Number of snow days: 2 days

Look at detailed online map of Delaware

* Weather data for Delaware United States is based on climate observations for 2026 year

Delaware air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.721.224.328.331.638.037.137.932.630.026.617.4
Average daytime temperature (°C)9.913.315.021.126.831.432.230.828.121.815.711.7
Average temperature (°C)5.06.98.414.320.024.226.125.121.615.99.56.7
Average night temperature (°C)1.62.23.78.514.217.921.220.816.311.64.83.1
Absolute minimum temperature (°C)-8.5-7.9-6.51.16.711.615.514.410.4-2.9-4.4-4.3

Delaware monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.012.011.010.09.0
Daylight mean duration (h)9.910.812.013.214.214.714.413.612.411.210.29.7
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.57.47.710.410.812.811.710.310.67.67.86.6
Precipitation (mm)95872035643424814651571153
Sunny days14181520161491717202218
Rainy days16101610151622141311812
Snow days100000000001

Best time to visit Delaware:

The best time to visit Delaware during the most sunny months:

  • June — 12.8(h)
  • July — 11.7(h)

The largest precipitation sum in Delaware is at

  • January — 95(mm)
  • March — 203(mm)
  • August — 146(mm)
  • Frequently asked questions

    When is the best time to visit Delaware?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Delaware.
    What is the weather like in Delaware?
    See average temperature, rainfall and daylight hours for Delaware by month in the table above.
    How many sunny days does Delaware have?
    The monthly weather statistics above show sunshine and rainfall patterns for Delaware throughout the year.