What’s the climate like in Swellendam?
The current climate of Swellendam features average monthly temperatures ranging from highs of 29°C during the day to lows of 19°C. The average yearly temperature is around 25°C. At night, temperatures in the colder months average around 6°C and in the warmer months around 17°C.
The highest temperature recorded in Swellendam in recent years was 41°C in November 2023. The lowest daytime temperature recorded was 10°C in June 2020.
On average, Swellendam receives 519 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Curious about the climate in other parts of South Africa? Check out the weather and climate in places like Cape Town, Krugerpark, Johannesburg, or have a look at other destinations in South Africa.
Best time to visit Swellendam?
The best time to visit Swellendam for sunny weather is January through December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Swellendam.
Climate Table of Swellendam
The climate table of Swellendam shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 29 | 29 | 27 | 24 | 23 | 21 | 19 | 20 | 22 | 24 | 26 | 28 |
| Temp. min (°C) | 17 | 17 | 15 | 11 | 10 | 8 | 6 | 7 | 9 | 12 | 13 | 15 |
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| Precipitation (mm) | 40 | 24 | 61 | 45 | 57 | 76 | 40 | 30 | 37 | 31 | 47 | 31 |
| UV Index | 9 | 9 | 8 | 6 | 5 | 5 | 5 | 6 | 7 | 9 | 9 | 9 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 25°C
- Highest temperature: 29°C in January and February
- Lowest temperature: 19°C in July
- Precipitation: 519 mm per year, averaging 43 mm per month
- Driest months: 24 mm in February, 30 mm in August and 31 mm in October
- Wettest months: 76 mm in June, 61 mm in March and 57 mm in May
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Table of Contents
Average Temperature per Month in Swellendam
This graph shows the average maximum temperatures per month in Swellendam, South Africa. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Swellendam
This graph shows how much precipitation Swellendam, South Africa, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Swellendam
This graph shows the average UV index per month in Swellendam, South Africa. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Swellendam
This graph shows the average yearly temperature in Swellendam, South Africa. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Swellendam
This chart shows the total yearly precipitation in Swellendam, South Africa, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Swellendam
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Average Weather in Swellendam by Month
Click on a month below to see detailed weather info for Swellendam. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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