Best year time to visit Si’ao

General weather information about Si’ao

Average annual temperature is 10.9 °C

Absolute maximum temperature: 34.0 °C

Absolute minimum temperature: -17.0 °C

Number of sunny days: 250 days

Number of rainy days: 103 days

Number of snow days: 12 days

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* Weather data for Si’ao China is based on climate observations for 2026 year

Si’ao air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.512.822.228.929.530.034.031.426.723.224.019.1
Average daytime temperature (°C)3.16.014.616.221.125.828.926.722.518.19.81.8
Average temperature (°C)-2.20.58.010.616.020.523.621.917.612.34.2-3.0
Average night temperature (°C)-6.7-3.71.95.511.415.418.917.813.67.7-0.3-7.3
Absolute minimum temperature (°C)-17.0-6.7-4.4-0.45.410.115.912.57.93.1-5.8-17.0

Si’ao monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.313.512.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)7.87.19.17.97.610.210.39.88.07.88.07.5
Precipitation (mm)61316791085310413476141423
Sunny days282024191719181415242725
Rainy days125111411131715725
Snow days262000000011

Si’ao - weather forecast by months

Si’ao weather in januarySi’ao weather in februarySi’ao weather in marchSi’ao weather in aprilSi’ao weather in maySi’ao weather in juneSi’ao weather in julySi’ao weather in augustSi’ao weather in septemberSi’ao weather in octoberSi’ao weather in novemberSi’ao weather in december

Best time to visit Si’ao:

The largest precipitation sum in Si’ao is at

  • April — 79(mm)
  • May — 108(mm)
  • July — 104(mm)
  • August — 134(mm)
  • September — 76(mm)

    • Weather forecast in the closest to Si’ao admin centers

    Weather forecast in the closest towns to Si’ao

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    Frequently asked questions

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