Best year time to visit Dean

General weather information about Dean

Average annual temperature is 5.3 °C

Absolute maximum temperature: 32.5 °C

Absolute minimum temperature: -31.8 °C

Number of sunny days: 182 days

Number of rainy days: 125 days

Number of snow days: 58 days

Look at detailed online map of Dean

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

Dean air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.46.46.919.925.924.731.332.529.623.314.611.2
Average daytime temperature (°C)0.30.1-0.77.718.018.425.325.820.911.47.94.7
Average temperature (°C)-4.8-6.2-5.71.410.913.018.018.313.44.71.2-1.1
Average night temperature (°C)-9.4-11.0-9.9-3.44.47.910.611.87.4-0.4-3.6-5.1
Absolute minimum temperature (°C)-27.6-31.8-16.5-12.7-1.33.33.97.41.3-16.8-15.1-11.4

Dean 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)9.210.411.913.514.915.615.314.112.511.09.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)6.37.27.69.911.410.913.311.410.37.56.86.1
Precipitation (mm)38517950881962519361092013
Sunny days161891663171916162323
Rainy days123725271412141253
Snow days14819700000325

Dean - weather forecast by months

Dean weather in januaryDean weather in februaryDean weather in marchDean weather in aprilDean weather in mayDean weather in juneDean weather in julyDean weather in augustDean weather in septemberDean weather in octoberDean weather in novemberDean weather in december

Best time to visit Dean:

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

  • May — 11.4(h)
  • July — 13.3(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Dean:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Dean is at

  • March — 79(mm)
  • May — 88(mm)
  • June — 196(mm)
  • October — 109(mm)

    • Weather forecast in the closest to Dean admin centers

    Weather forecast in the closest towns to Dean

    Explore Dean

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    MapTrains schedule
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    Frequently asked questions

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