Weather in Siwan in June

General weather information about Siwan

Average annual temperature is 15.5 °C

Absolute maximum temperature: 36.3 °C

Absolute minimum temperature: -7.5 °C

Number of sunny days: 206 days

Number of rainy days: 156 days

Number of snow days: 3 days

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* Weather data for Siwan China is based on climate observations for 2026 year

Siwan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.220.127.631.433.935.835.636.331.926.326.919.3
Average daytime temperature (°C)9.410.418.622.225.529.132.531.026.221.914.98.7
Average temperature (°C)3.05.211.916.520.323.927.326.322.016.49.23.1
Average night temperature (°C)-2.40.25.511.015.619.222.922.018.311.64.1-1.9
Absolute minimum temperature (°C)-6.4-4.70.44.19.814.618.716.513.87.2-4.9-7.5

Siwan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.314.113.312.411.410.510.0
Daylight minimum duration (h)10.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.75.47.57.66.38.09.99.66.37.26.06.7
Precipitation (mm)9212574120112141212163843825
Sunny days26162320131691210182122
Rainy days41181018142219201398
Snow days110000000001

Siwan - weather forecast by months

Siwan weather in januarySiwan weather in februarySiwan weather in marchSiwan weather in aprilSiwan weather in maySiwan weather in juneSiwan weather in julySiwan weather in augustSiwan weather in septemberSiwan weather in octoberSiwan weather in novemberSiwan weather in december

Best time to visit Siwan:

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

  • July — 9.9(h)
  • August — 9.6(h)

The largest precipitation sum in Siwan is at

  • May — 120(mm)
  • June — 112(mm)
  • July — 141(mm)
  • August — 212(mm)
  • September — 163(mm)

    • Weather forecast in the closest to Siwan admin centers

    Weather forecast in the closest towns to Siwan

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    Frequently asked questions

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