South AfricaThe weather in December in Swellendam
It's warm in December in Swellendam with an average temperature of 28°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 14°C and 17°C.
Looking for great weather? December is a good time to be in Swellendam. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Swellendam, South Africa. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 39°C in 2017, Swellendam reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 16°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 22°C.
Rainfall amount
In December, there is an average of 31 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in December for Swellendam
Click on any day in December to get detailed info about the usual weather on that day in Swellendam. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Swellendam | New York | |
|---|---|---|
| Average temperature | 28°C | 9°C |
| Max. temperature | 30°C | 12°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 31 mm | 133 mm |
| Rainy days | 7 days | 17 days |
Start of December
The month of December starts in Swellendam with hot temps, averaging around 27°C during the day and nights around 16°C.
Mid December
By mid-December, daytime temps rise to around 28°C, with nights around 15°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in Swellendam is around 29°C, while nighttime temps are about 16°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Find affordable trips to Swellendam
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Swellendam for all months and discover the best travel time
Curious about the weather in other parts of South Africa? Check out the climate and weather for spots like Cape Town, Krugerpark, Johannesburg, or explore other destinations in South Africa.
Temperature charts
These charts show the average temperatures in December in Swellendam, South Africa. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Swellendam
Temperature in December in Swellendam over the years
Precipitation charts
These charts show the average amount of precipitation in December in Swellendam, South Africa. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Swellendam
Total precipitation in December in Swellendam over the years
Daily UV index in December in Swellendam
This chart shows the average daily UV index in December in Swellendam, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Swellendam
Have you been to Swellendam in December?
Share your weather experience in December in Swellendam.
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.