Best year time to visit Union

General weather information about Union

Average annual temperature is 13.8 °C

Absolute maximum temperature: 35.1 °C

Absolute minimum temperature: -3.6 °C

Number of sunny days: 161 days

Number of rainy days: 204 days

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

Union air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)31.629.827.925.323.620.622.725.531.032.635.132.0
Average daytime temperature (°C)24.622.722.720.816.215.215.819.521.119.825.822.6
Average temperature (°C)18.617.416.914.110.28.78.110.913.013.217.916.3
Average night temperature (°C)13.413.212.28.55.43.41.83.45.97.411.311.2
Absolute minimum temperature (°C)7.69.84.73.0-1.2-0.9-3.6-1.8-2.01.25.78.4

Union monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)14.013.012.011.010.010.010.011.012.013.014.014.0
Daylight mean duration (h)13.913.212.311.310.510.110.311.011.912.913.714.1
Daylight minimum duration (h)13.012.011.010.010.010.010.010.011.012.013.014.0
Sunshine mean duration (h)10.48.510.09.47.18.58.79.89.38.710.88.3
Precipitation (mm)1572218033102101303710056166
Sunny days63216152423292111101
Rainy days25252914166829202030
Snow days000000000000

Union - weather forecast by months

Union weather in januaryUnion weather in februaryUnion weather in marchUnion weather in aprilUnion weather in mayUnion weather in juneUnion weather in julyUnion weather in augustUnion weather in septemberUnion weather in octoberUnion weather in novemberUnion weather in december

Best time to visit Union:

The largest precipitation sum in Union is at

  • January — 157(mm)
  • February — 221(mm)
  • December — 166(mm)

    • Weather forecast in the closest to Union admin centers

    Weather forecast in the closest towns to Union

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    Frequently asked questions

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