Best year time to visit Swellendam

General weather information about Swellendam

Average annual temperature is 17.4 °C

Absolute maximum temperature: 41.7 °C

Absolute minimum temperature: 1.6 °C

Number of sunny days: 210 days

Number of rainy days: 155 days

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

Swellendam air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)37.537.935.036.532.422.823.933.228.533.041.737.5
Average daytime temperature (°C)30.328.526.123.920.117.417.721.820.523.530.827.9
Average temperature (°C)22.521.720.117.514.513.111.714.614.017.021.620.6
Average night temperature (°C)16.716.615.612.29.99.47.08.78.411.814.915.0
Absolute minimum temperature (°C)12.612.410.98.07.06.13.31.62.57.410.711.6

Swellendam 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)14.113.312.311.210.49.910.110.911.912.913.914.4
Daylight minimum duration (h)13.012.011.010.010.09.09.010.011.012.013.014.0
Sunshine mean duration (h)11.710.09.58.87.26.58.29.29.19.911.711.2
Precipitation (mm)48811323078104361991112291
Sunny days201514171611212018182515
Rainy days11131713151910111213516
Snow days000000000000

Swellendam - weather forecast by months

Swellendam weather in januarySwellendam weather in februarySwellendam weather in marchSwellendam weather in aprilSwellendam weather in maySwellendam weather in juneSwellendam weather in julySwellendam weather in augustSwellendam weather in septemberSwellendam weather in octoberSwellendam weather in novemberSwellendam weather in december

Best time to visit Swellendam:

The largest precipitation sum in Swellendam is at

  • March — 132(mm)
  • June — 104(mm)
  • September — 91(mm)
  • October — 112(mm)
  • December — 91(mm)

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    Frequently asked questions

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