Best year time to visit Shasta Lake

General weather information about Shasta Lake

Average annual temperature is 16.6 °C

Absolute maximum temperature: 44.7 °C

Absolute minimum temperature: -2.6 °C

Number of sunny days: 246 days

Number of rainy days: 119 days

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

Shasta Lake air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.324.618.734.034.041.544.744.038.233.526.319.0
Average daytime temperature (°C)12.314.012.221.126.732.339.337.330.026.618.214.3
Average temperature (°C)7.67.26.413.619.324.130.028.422.018.412.09.5
Average night temperature (°C)4.93.42.87.713.016.920.720.616.013.28.16.7
Absolute minimum temperature (°C)0.7-1.6-2.60.77.610.517.316.412.25.33.22.6

Shasta Lake monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.711.913.314.415.014.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.77.06.510.411.713.313.712.210.49.07.24.5
Precipitation (mm)46816136562783019698128246
Sunny days13167202027312923252015
Rainy days1812241011302761016
Snow days000000000000

Shasta Lake - weather forecast by months

Shasta Lake weather in januaryShasta Lake weather in februaryShasta Lake weather in marchShasta Lake weather in aprilShasta Lake weather in mayShasta Lake weather in juneShasta Lake weather in julyShasta Lake weather in augustShasta Lake weather in septemberShasta Lake weather in octoberShasta Lake weather in novemberShasta Lake weather in december

Best time to visit Shasta Lake:

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

  • May — 11.7(h)
  • June — 13.3(h)
  • July — 13.7(h)
  • August — 12.2(h)

The largest precipitation sum in Shasta Lake is at

  • January — 468(mm)
  • March — 365(mm)
  • December — 246(mm)

    • Weather forecast in the closest to Shasta Lake admin centers

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    Frequently asked questions

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