The best times to visit Swellendam for ideal weather are

February 26th to May 27th


October 1st to December 30th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Swellendam Travel Info

Weather in Swellendam


Average temperatures in Swellendam vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a low chance of precipitation most of the year. The area is somewhat temperate — in the 54th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Swellendam, the hottest months are January, February, and then December. See average monthly temperatures below. The warmest time of year is generally late January where highs are regularly around 92.2°F (33.4°C) with temperatures rarely dropping below 63.7°F (17.6°C) at night.

Swellendam Temperatures (Fahrenheit)


Swellendam Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Swellendam Perceived Temperature (F)


Swellendam Perceived Temperature (C)



Average Swellendam Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 89.1 72.1 62.5
Feb 87.9 70.6 60.9
Mar 85.3 67.8 58.2
Apr 79.5 62.7 52.6
May 76.2 58.7 48.2
Jun 68.1 51.6 41.3
Jul 65.6 50.9 41.5
Aug 70.6 55.3 45.6
Sep 74 56.6 46.2
Oct 80.5 63.1 52.9
Nov 82.2 64.9 54
Dec 86.9 69.9 59.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 31.7 22.3 16.9
Feb 31.1 21.4 16.1
Mar 29.6 19.9 14.6
Apr 26.4 17.1 11.4
May 24.6 14.8 9
Jun 20.1 10.9 5.2
Jul 18.7 10.5 5.3
Aug 21.4 12.9 7.6
Sep 23.3 13.7 7.9
Oct 26.9 17.3 11.6
Nov 27.9 18.3 12.2
Dec 30.5 21.1 15.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Swellendam are May, March, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January. For example, on the week of January 22nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early June with an average of 2 days of significant precipitation the week of June 4th.

When can you find snow in Swellendam? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Swellendam.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Swellendam (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 11% 0 4.5
Feb 11% 0 0.8
Mar 8% 0 1.2
Apr 11% 0 1.4
May 6% 0 0.7
Jun 29% 0 5
Jul 16% 0 2.4
Aug 12% 0 1.5
Sep 27% 0 2.7
Oct 11% 0 1.2
Nov 17% 0 1.9
Dec 8% 0 0.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 11 0 11.4
Feb 11 0 2
Mar 8 0 3
Apr 11 0 3.6
May 6 0 1.8
Jun 29 0 12.7
Jul 16 0 6.1
Aug 12 0 3.8
Sep 27 0 6.9
Oct 11 0 3
Nov 17 0 4.8
Dec 8 0 2


Humidity and Wind

Swellendam has some very humid months, with other comfortably humid months. The least humid month is November (54% relative humidity), and the most humid month is August (70.3%).

Wind in Swellendam is usually calm. The windiest month is November, followed by December and January. November’s average wind speed of around 5.6 knots (6.4 MPH or 10.4 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid November where average top sustained speeds reach 11.4 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Swellendam.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 5.1 Light breeze 9.5 Gentle breeze
Feb 5 Light breeze 9.4 Gentle breeze
Mar 4.8 Light breeze 8.8 Gentle breeze
Apr 4.3 Light breeze 7.7 Gentle breeze
May 4.2 Light breeze 8.1 Gentle breeze
Jun 4.4 Light breeze 8.1 Gentle breeze
Jul 4.4 Light breeze 7.6 Gentle breeze
Aug 4.3 Light breeze 7.5 Gentle breeze
Sep 4.3 Light breeze 7.5 Gentle breeze
Oct 4.9 Light breeze 8.4 Gentle breeze
Nov 5.6 Light breeze 10 Gentle breeze
Dec 5.2 Light breeze 9.7 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 55.3%
Feb 56.8%
Mar 59.4%
Apr 63%
May 63.2%
Jun 68%
Jul 70.1%
Aug 70.3%
Sep 67.5%
Oct 62.5%
Nov 54%
Dec 55.1%


Is it Safe to Travel to Swellendam?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for South Africa; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Swellendam, South Africa is January, followed by February and November. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Swellendam in June. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 65.4 in June means 65.4% of the tourists vs. January.



Overall Swellendam Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 89°F (31.7°C) and 69.2°F (20.7°C) with colder temperatures in the later months. Rain is rare with 2 to 3 days of significant precipitation per month. Fall is the slowest for tourism, which makes it a good time for those looking for deals.

Winter (June through August)

The middle-year months have cold weather with high temperatures that are comfortable. These months see the most precipitation with 4 to 9 days of precipitation per month. June – August is fairly slow season for tourism in Swellendam, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 87.5°F (30.8°C) and 72.6°F (22.6°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 8 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Summer (December through February)

Weather is perfect this time of year in Swellendam to be enjoyable for warm weather travelers. The average high during this season is between 92.2°F (33.4°C) and 84.9°F (29.4°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the busiest with tourists.


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