Weather in Sleeper in April

General weather information about Sleeper

Average annual temperature is 14.6 °C

Absolute maximum temperature: 40.0 °C

Absolute minimum temperature: -10.8 °C

Number of sunny days: 192 days

Number of rainy days: 170 days

Number of snow days: 3 days

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

Sleeper air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.420.423.127.630.139.337.940.033.329.926.617.4
Average daytime temperature (°C)8.912.113.120.425.330.132.131.228.120.515.010.8
Average temperature (°C)3.65.46.913.519.023.425.925.121.515.28.95.9
Average night temperature (°C)-0.10.52.47.813.517.720.820.616.311.14.42.6
Absolute minimum temperature (°C)-10.8-9.7-7.40.75.611.216.214.011.7-2.4-5.0-4.4

Sleeper monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.910.812.013.214.214.714.513.612.411.210.29.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.77.37.310.510.712.711.610.610.78.07.56.1
Precipitation (mm)55972005180706912566711972
Sunny days181512181316121416202315
Rainy days12111912181419171411716
Snow days120000000000

Sleeper - weather forecast by months

Sleeper weather in januarySleeper weather in februarySleeper weather in marchSleeper weather in aprilSleeper weather in maySleeper weather in juneSleeper weather in julySleeper weather in augustSleeper weather in septemberSleeper weather in octoberSleeper weather in novemberSleeper weather in december

Best time to visit Sleeper:

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

  • June — 12.7(h)
  • July — 11.6(h)

The largest precipitation sum in Sleeper is at

  • March — 200(mm)
  • August — 125(mm)

    • Weather forecast in the closest to Sleeper admin centers

    Weather forecast in the closest towns to Sleeper

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    Frequently asked questions

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