Weather in Sumner in May

General weather information about Sumner

Average annual temperature is 20.1 °C

Absolute maximum temperature: 37.8 °C

Absolute minimum temperature: -1.6 °C

Number of sunny days: 172 days

Number of rainy days: 193 days

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

Sumner air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)24.628.230.932.233.035.037.237.832.530.126.124.1
Average daytime temperature (°C)18.521.623.426.928.231.234.435.029.824.919.416.2
Average temperature (°C)12.715.817.120.222.325.628.429.124.419.414.411.3
Average night temperature (°C)8.111.411.814.717.321.023.824.320.114.610.47.5
Absolute minimum temperature (°C)-1.60.2-0.28.610.418.021.622.516.18.40.1-0.2

Sumner monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.411.112.013.013.814.214.013.312.411.410.610.1
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.010.0
Sunshine mean duration (h)6.97.98.89.310.510.611.411.210.19.06.76.6
Precipitation (mm)157117816761165128116567259171
Sunny days1613141112941116252021
Rainy days15151719192127201461010
Snow days000000000000

Sumner - weather forecast by months

Sumner weather in januarySumner weather in februarySumner weather in marchSumner weather in aprilSumner weather in maySumner weather in juneSumner weather in julySumner weather in augustSumner weather in septemberSumner weather in octoberSumner weather in novemberSumner weather in december

Best time to visit Sumner:

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

  • July — 11.4(h)

The largest precipitation sum in Sumner is at

  • January — 157(mm)
  • June — 165(mm)
  • December — 171(mm)

    • Weather forecast in the closest to Sumner admin centers

    Weather forecast in the closest towns to Sumner

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    Frequently asked questions

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