Best year time to visit City of Prosser

General weather information about City of Prosser

Average annual temperature is 13.4 °C

Absolute maximum temperature: 42.8 °C

Absolute minimum temperature: -9.2 °C

Number of sunny days: 245 days

Number of rainy days: 108 days

Number of snow days: 12 days

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

City of Prosser air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.514.116.732.336.536.940.142.833.627.316.812.5
Average daytime temperature (°C)5.98.412.117.729.231.035.734.326.519.39.46.5
Average temperature (°C)1.52.75.811.121.223.327.626.619.312.94.83.2
Average night temperature (°C)-1.3-1.40.75.414.216.319.619.613.47.81.60.9
Absolute minimum temperature (°C)-9.2-9.1-2.9-1.88.39.515.413.86.9-3.1-4.4-3.3

City of Prosser 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)9.110.311.913.615.015.715.414.112.610.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)4.66.68.29.012.613.013.811.39.48.15.12.5
Precipitation (mm)241233378401216144152
Sunny days151713142426292524242113
Rainy days1261816742667915
Snow days450000000003

City of Prosser - weather forecast by months

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

Best time to visit City of Prosser:

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

  • May — 12.6(h)
  • June — 13.0(h)
  • July — 13.8(h)
  • August — 11.3(h)

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

  • June — 15.7(h)
  • July — 15.4(h)

The largest precipitation sum in City of Prosser is at

  • March — 33(mm)
  • April — 37(mm)
  • November — 41(mm)
  • December — 52(mm)

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    Frequently asked questions

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