The best times to visit Constantia for ideal weather are

August 6th to January 21st

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



Other Constantia Travel Info

Weather in Constantia


Average temperatures in Constantia vary somewhat. Considering humidity, temperatures feel very enjoyable all year with a very low chance of rain or snow throughout the year. The area is among the most temperate — in the 94th 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 Constantia, the hottest months are February, January, and then December. See average monthly temperatures below. The warmest time of year is generally early to mid February where highs are regularly around 86°F (30°C) with temperatures rarely dropping below 66.5°F (19.2°C) at night.

Constantia Temperatures (Fahrenheit)


Constantia 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.

Constantia Perceived Temperature (F)


Constantia Perceived Temperature (C)



Average Constantia 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 81.7 70.8 63.5
Feb 81.9 71 63.8
Mar 78.6 67.8 61
Apr 78.5 67 59.7
May 69.2 60.2 55.3
Jun 64.7 56.4 50.8
Jul 63.5 55.7 50
Aug 67.9 58.4 53.1
Sep 69.9 59.8 53.8
Oct 75.2 64.4 57.5
Nov 76.6 65.6 58.7
Dec 80 69.8 62.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 27.6 21.6 17.5
Feb 27.7 21.7 17.7
Mar 25.9 19.9 16.1
Apr 25.8 19.4 15.4
May 20.7 15.7 12.9
Jun 18.2 13.6 10.4
Jul 17.5 13.2 10
Aug 19.9 14.7 11.7
Sep 21.1 15.4 12.1
Oct 24 18 14.2
Nov 24.8 18.7 14.8
Dec 26.7 21 17.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Constantia are January, February, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late August to early September with an average of 1 days of significant precipitation the week of August 27th.

When can you find snow in Constantia? 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 Constantia.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0
Feb 0% 0 0
Mar 2% 0 0.2
Apr 0% 0 0
May 0% 0 0
Jun 0% 0 0
Jul 0% 0 0
Aug 2% 0 0.3
Sep 0% 0 0
Oct 0% 0 0
Nov 2% 0 0.1
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 2 0 0.5
Apr 0 0 0
May 0 0 0
Jun 0 0 0
Jul 0 0 0
Aug 2 0 0.8
Sep 0 0 0
Oct 0 0 0
Nov 2 0 0.3
Dec 0 0 0


Humidity and Wind

Constantia has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (43.9% relative humidity), and the most humid month is May (62.9%).

Wind in Constantia is usually calm. The windiest month is December, followed by November and October. December’s average wind speed of around 5.4 knots (6.2 MPH or 10 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 February where average top sustained speeds reach 10.7 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 Light breeze 8 Gentle breeze
Feb 5 Light breeze 8.4 Gentle breeze
Mar 4.8 Light breeze 7.8 Gentle breeze
Apr 4.1 Light breeze 6.9 Light breeze
May 3.7 Barely noticeable 6.3 Gentle breeze
Jun 3.6 Barely noticeable 5.7 Light breeze
Jul 3.9 Barely noticeable 5.8 Gentle breeze
Aug 3.9 Barely noticeable 6.2 Light breeze
Sep 4.6 Light breeze 7.2 Gentle breeze
Oct 5.2 Light breeze 8.3 Gentle breeze
Nov 5.4 Light breeze 8.1 Gentle breeze
Dec 5.4 Light breeze 8.4 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 51.3%
Feb 49%
Mar 53.8%
Apr 43.9%
May 62.9%
Jun 59.1%
Jul 56.8%
Aug 59.4%
Sep 53.2%
Oct 49.5%
Nov 45.8%
Dec 47.7%


Is it Safe to Travel to Constantia?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 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 Nov 30, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Constantia, 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 Constantia 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 slightly 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 Constantia Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 86°F (30°C) and 61.3°F (16.3°C) with colder temperatures in the later months. Rain is extremely rare with 0 to 1 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 comfortably cool weather with high temperatures that are brisk. These months see the most precipitation with 0 to 1 days of precipitation per month. June – August is fairly slow season for tourism in Constantia, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 80.9°F (27.2°C) and 63.8°F (17.7°C), which will feel comfortable given the humidity and wind. It rains or snows a barely noticeable amount: 0 to 1 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 Constantia to be enjoyable for warm weather travelers. The average high during this season is between 85°F (29.4°C) and 77.1°F (25.1°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the busiest with tourists.


Best Times to TravelSouth Africa › Constantia, South Africa