Best year time to visit Siskiyou County

General weather information about Siskiyou County

Average annual temperature is 11.7 °C

Absolute maximum temperature: 38.7 °C

Absolute minimum temperature: -10.3 °C

Number of sunny days: 209 days

Number of rainy days: 143 days

Number of snow days: 13 days

Look at detailed online map of Siskiyou County

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

Siskiyou County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.115.113.628.729.234.638.238.732.529.321.314.9
Average daytime temperature (°C)8.28.77.216.721.825.934.732.525.920.512.39.1
Average temperature (°C)2.92.21.79.114.618.225.123.817.512.56.54.9
Average night temperature (°C)-0.3-2.2-2.43.68.811.616.616.311.27.22.62.0
Absolute minimum temperature (°C)-5.8-10.3-10.2-4.10.95.613.911.06.3-0.6-3.5-2.6

Siskiyou County 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)9.610.611.913.314.515.114.913.812.511.19.99.2
Daylight minimum duration (h)9.010.011.012.014.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.77.67.710.411.613.413.712.210.59.07.44.9
Precipitation (mm)226912113612742050384080118
Sunny days11166141617312519211914
Rainy days188201515130611101017
Snow days245100000010

Siskiyou County - weather forecast by months

Siskiyou County weather in januarySiskiyou County weather in februarySiskiyou County weather in marchSiskiyou County weather in aprilSiskiyou County weather in maySiskiyou County weather in juneSiskiyou County weather in julySiskiyou County weather in augustSiskiyou County weather in septemberSiskiyou County weather in octoberSiskiyou County weather in novemberSiskiyou County weather in december

Best time to visit Siskiyou County:

The best time to visit Siskiyou County during the most sunny months:

  • June — 13.4(h)
  • July — 13.7(h)
  • August — 12.2(h)

The largest precipitation sum in Siskiyou County is at

  • January — 226(mm)
  • March — 211(mm)
  • May — 127(mm)
  • December — 118(mm)

    • Weather forecast in the closest to Siskiyou County admin centers

    Weather forecast in the closest towns to Siskiyou County

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    Frequently asked questions

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