Best year time to visit Siweni

General weather information about Siweni

Average annual temperature is 22.5 °C

Absolute maximum temperature: 40.4 °C

Absolute minimum temperature: 9.5 °C

Number of sunny days: 211 days

Number of rainy days: 154 days

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* Weather data for Siweni South Africa is based on climate observations for 2026 year

Siweni air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)39.334.934.934.130.831.228.233.240.038.740.434.0
Average daytime temperature (°C)33.129.430.530.225.925.223.625.530.327.530.628.9
Average temperature (°C)26.524.925.023.920.719.117.519.222.721.924.724.2
Average night temperature (°C)21.522.020.718.816.614.112.313.816.617.519.720.2
Absolute minimum temperature (°C)17.018.216.215.312.311.79.510.413.413.013.216.7

Siweni monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)13.013.012.011.011.010.010.011.012.013.013.013.0
Daylight mean duration (h)13.613.012.211.410.810.510.611.211.912.713.413.8
Daylight minimum duration (h)13.012.011.011.010.010.010.010.011.012.013.013.0
Sunshine mean duration (h)11.18.410.210.18.59.38.78.99.37.39.27.5
Precipitation (mm)66284408903222159918140
Sunny days2121024172626252116149
Rainy days1026216144569151622
Snow days000000000000

Siweni - weather forecast by months

Siweni weather in januarySiweni weather in februarySiweni weather in marchSiweni weather in aprilSiweni weather in maySiweni weather in juneSiweni weather in julySiweni weather in augustSiweni weather in septemberSiweni weather in octoberSiweni weather in novemberSiweni weather in december

Best time to visit Siweni:

The largest precipitation sum in Siweni is at

  • February — 284(mm)
  • May — 90(mm)
  • October — 99(mm)
  • December — 140(mm)

    • Weather forecast in the closest to Siweni admin centers

    Weather forecast in the closest towns to Siweni

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    Frequently asked questions

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