Best year time to visit Heiso

General weather information about Heiso

Average annual temperature is 18.4 °C

Absolute maximum temperature: 36.5 °C

Absolute minimum temperature: -2.8 °C

Number of sunny days: 273 days

Number of rainy days: 92 days

Look at detailed online map of Heiso

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

Heiso air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)34.433.830.727.426.922.724.126.331.635.336.336.5
Average daytime temperature (°C)30.829.027.625.021.417.918.021.625.029.231.831.5
Average temperature (°C)24.422.421.017.514.510.410.713.616.721.324.424.5
Average night temperature (°C)17.516.314.810.97.93.84.36.38.413.016.617.5
Absolute minimum temperature (°C)12.111.89.75.92.7-0.6-2.81.21.26.77.513.6

Heiso 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)13.613.012.211.410.810.410.611.211.912.713.513.8
Daylight minimum duration (h)13.012.011.011.010.010.010.010.011.012.013.013.0
Sunshine mean duration (h)12.511.210.810.49.39.39.610.310.711.311.811.5
Precipitation (mm)843191936900929874
Sunny days18917222426303128272318
Rainy days1319148741024713
Snow days000000000000

Best time to visit Heiso:

The largest precipitation sum in Heiso is at

  • February — 43(mm)
  • May — 36(mm)
  • October — 29(mm)
  • December — 74(mm)
  • Frequently asked questions

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