Best year time to visit City of Heidelberg

General weather information about City of Heidelberg

Average annual temperature is 9.0 °C

Absolute maximum temperature: 35.3 °C

Absolute minimum temperature: -27.5 °C

Number of sunny days: 192 days

Number of rainy days: 137 days

Number of snow days: 36 days

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* Weather data for City of Heidelberg United States is based on climate observations for 2026 year

City of Heidelberg air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.94.19.226.630.932.033.035.335.029.318.311.2
Average daytime temperature (°C)-3.8-1.72.511.922.628.427.927.925.214.78.04.6
Average temperature (°C)-7.2-6.9-2.76.316.622.622.222.419.810.53.00.6
Average night temperature (°C)-10.3-11.6-6.92.111.017.217.018.015.56.9-0.8-2.3
Absolute minimum temperature (°C)-24.0-27.5-16.4-6.90.210.512.611.67.6-5.9-13.7-9.3

City of Heidelberg 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)9.310.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.17.06.78.011.313.112.611.59.87.36.15.1
Precipitation (mm)557265149119507965126114646
Sunny days201716122014121712132118
Rainy days5651511161914181576
Snow days6510300000327

City of Heidelberg - weather forecast by months

City of Heidelberg weather in januaryCity of Heidelberg weather in februaryCity of Heidelberg weather in marchCity of Heidelberg weather in aprilCity of Heidelberg weather in mayCity of Heidelberg weather in juneCity of Heidelberg weather in julyCity of Heidelberg weather in augustCity of Heidelberg weather in septemberCity of Heidelberg weather in octoberCity of Heidelberg weather in novemberCity of Heidelberg weather in december

Best time to visit City of Heidelberg:

The best time to visit City of Heidelberg during the most sunny months:

  • May — 11.3(h)
  • June — 13.1(h)
  • July — 12.6(h)
  • August — 11.5(h)

Months with the longest average daylight duration in City of Heidelberg:

  • June — 15.5(h)

The largest precipitation sum in City of Heidelberg is at

  • April — 149(mm)
  • May — 119(mm)
  • September — 126(mm)
  • October — 114(mm)

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    Frequently asked questions

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