Best year time to visit Dover

General weather information about Dover

Average annual temperature is 8.1 °C

Absolute maximum temperature: 36.3 °C

Absolute minimum temperature: -30.9 °C

Number of sunny days: 198 days

Number of rainy days: 120 days

Number of snow days: 47 days

Look at detailed online map of Dover

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

Dover air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.911.411.423.526.127.834.236.331.624.716.115.6
Average daytime temperature (°C)2.93.22.610.720.021.028.328.723.012.39.37.8
Average temperature (°C)-1.5-2.6-3.34.113.915.521.421.115.96.23.42.2
Average night temperature (°C)-4.7-6.7-7.6-0.88.210.314.214.910.41.8-1.0-2.1
Absolute minimum temperature (°C)-20.4-30.9-16.8-13.11.13.67.210.24.8-20.5-8.0-6.6

Dover monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.115.915.514.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)6.17.28.29.711.611.613.711.29.97.36.86.1
Precipitation (mm)223723686512163477391913
Sunny days18151412115232119172023
Rainy days722112025810111185
Snow days61115700000323

Dover - weather forecast by months

Dover weather in januaryDover weather in februaryDover weather in marchDover weather in aprilDover weather in mayDover weather in juneDover weather in julyDover weather in augustDover weather in septemberDover weather in octoberDover weather in novemberDover weather in december

Best time to visit Dover:

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

  • May — 11.6(h)
  • June — 11.6(h)
  • July — 13.7(h)

Months with the longest average daylight duration in Dover:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Dover is at

  • April — 68(mm)
  • May — 65(mm)
  • June — 121(mm)
  • September — 77(mm)

    • Weather forecast in the closest to Dover admin centers

    Weather forecast in the closest towns to Dover

    Explore Dover

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    Frequently asked questions

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