Best year time to visit Dennis

General weather information about Dennis

Average annual temperature is 9.1 °C

Absolute maximum temperature: 37.7 °C

Absolute minimum temperature: -29.0 °C

Number of sunny days: 218 days

Number of rainy days: 105 days

Number of snow days: 42 days

Look at detailed online map of Dennis

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

Dennis air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)9.312.716.824.528.133.836.637.735.429.819.913.4
Average daytime temperature (°C)1.14.26.212.622.925.329.829.625.915.89.96.1
Average temperature (°C)-3.4-3.1-0.94.616.119.022.422.218.48.63.40.5
Average night temperature (°C)-7.2-7.8-5.7-1.69.813.615.716.112.23.7-1.2-3.2
Absolute minimum temperature (°C)-20.1-29.0-11.4-17.91.18.711.010.37.3-9.1-12.1-7.9

Dennis monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.315.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)5.78.18.210.411.211.413.011.510.88.57.76.6
Precipitation (mm)292139451231342336275167
Sunny days181711191311172020232623
Rainy days55481819141110524
Snow days8616300000324

Best time to visit Dennis:

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

  • July — 13.0(h)

Months with the longest average daylight duration in Dennis:

  • June — 15.3(h)

The largest precipitation sum in Dennis is at

  • May — 123(mm)
  • June — 134(mm)
  • Frequently asked questions

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