Best year time to visit Rock Lake

General weather information about Rock Lake

Average annual temperature is 4.8 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -29.3 °C

Number of sunny days: 204 days

Number of rainy days: 108 days

Number of snow days: 53 days

Look at detailed online map of Rock Lake

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

Rock Lake air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)0.42.21.311.827.731.731.729.730.225.99.08.5
Average daytime temperature (°C)-8.2-5.9-5.93.622.026.124.624.521.710.42.31.3
Average temperature (°C)-11.6-11.3-10.5-0.715.020.518.719.216.16.0-1.4-3.1
Average night temperature (°C)-14.4-16.1-14.1-4.48.815.313.614.811.62.5-4.2-6.0
Absolute minimum temperature (°C)-27.8-29.3-20.3-13.7-1.69.48.89.94.3-13.9-12.6-12.3

Rock Lake monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.810.211.913.715.316.115.714.312.610.89.28.3
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)3.67.38.18.111.612.813.110.59.36.65.05.8
Precipitation (mm)7923553062203158661111
Sunny days231517141812111617152026
Rainy days111913182015131241
Snow days71213700000464

Rock Lake - weather forecast by months

Rock Lake weather in januaryRock Lake weather in februaryRock Lake weather in marchRock Lake weather in aprilRock Lake weather in mayRock Lake weather in juneRock Lake weather in julyRock Lake weather in augustRock Lake weather in septemberRock Lake weather in octoberRock Lake weather in novemberRock Lake weather in december

Best time to visit Rock Lake:

The best time to visit Rock Lake during the most sunny months:

  • May — 11.6(h)
  • June — 12.8(h)
  • July — 13.1(h)

Months with the longest average daylight duration in Rock Lake:

  • June — 16.1(h)
  • July — 15.7(h)

The largest precipitation sum in Rock Lake is at

  • April — 55(mm)
  • June — 62(mm)
  • September — 58(mm)
  • October — 66(mm)

    • Weather forecast in the closest to Rock Lake admin centers

    Weather forecast in the closest towns to Rock Lake

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    Frequently asked questions

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