Best year time to visit Cromwell

General weather information about Cromwell

Average annual temperature is 11.6 °C

Absolute maximum temperature: 36.7 °C

Absolute minimum temperature: -3.8 °C

Number of sunny days: 183 days

Number of rainy days: 180 days

Number of snow days: 2 days

Look at detailed online map of Cromwell

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

Cromwell air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.412.417.026.630.932.634.036.730.426.515.514.0
Average daytime temperature (°C)8.58.411.113.223.124.828.829.422.917.210.79.6
Average temperature (°C)5.54.55.98.115.716.819.920.915.811.87.06.6
Average night temperature (°C)3.62.32.75.110.611.312.914.911.58.64.74.6
Absolute minimum temperature (°C)-3.1-3.8-1.21.17.68.110.611.35.9-0.5-1.4-0.1

Cromwell 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)3.35.27.36.711.311.713.211.48.26.54.82.7
Precipitation (mm)1338997150242372480100204253
Sunny days91097202427201717158
Rainy days2117222311641113141523
Snow days110000000000

Best time to visit Cromwell:

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

  • May — 11.3(h)
  • June — 11.7(h)
  • July — 13.2(h)
  • August — 11.4(h)

Months with the longest average daylight duration in Cromwell:

  • June — 15.9(h)
  • July — 15.5(h)

The largest precipitation sum in Cromwell is at

  • January — 133(mm)
  • April — 150(mm)
  • November — 204(mm)
  • December — 253(mm)
  • Frequently asked questions

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