The best times to visit Calvinia for ideal weather are
March 5th to April 29th
or
October 8th to December 23rd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Calvinia Travel Guide
Other Calvinia Travel Info
Weather in Calvinia
Temperature
Average temperatures in Calvinia vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 57th 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 Calvinia, the hottest months are January, February, and then December. See average monthly temperatures below. The warmest time of year is generally mid January where highs are regularly around 94.2°F (34.6°C) with temperatures rarely dropping below 59.4°F (15.2°C) at night.
Calvinia Temperatures (Fahrenheit)
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Calvinia Temperatures (Celsius)
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“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.
Calvinia Perceived Temperature (F)
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Calvinia Perceived Temperature (C)
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Average Calvinia 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 | 92.7 | 74.2 | 57.7 |
| Feb | 91.4 | 72.7 | 56.7 |
| Mar | 89.1 | 70.2 | 54.5 |
| Apr | 80.6 | 62.4 | 47.9 |
| May | 73 | 55.7 | 42.4 |
| Jun | 64.5 | 49.6 | 38.8 |
| Jul | 65.2 | 49.3 | 37.3 |
| Aug | 68.1 | 50.8 | 37.5 |
| Sep | 73 | 54.4 | 39.1 |
| Oct | 80.4 | 61.7 | 45.3 |
| Nov | 83.7 | 65.4 | 49 |
| Dec | 89.2 | 70.8 | 54.4 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 33.7 | 23.4 | 14.3 |
| Feb | 33 | 22.6 | 13.7 |
| Mar | 31.7 | 21.2 | 12.5 |
| Apr | 27 | 16.9 | 8.8 |
| May | 22.8 | 13.2 | 5.8 |
| Jun | 18.1 | 9.8 | 3.8 |
| Jul | 18.4 | 9.6 | 2.9 |
| Aug | 20.1 | 10.4 | 3.1 |
| Sep | 22.8 | 12.4 | 3.9 |
| Oct | 26.9 | 16.5 | 7.4 |
| Nov | 28.7 | 18.6 | 9.4 |
| Dec | 31.8 | 21.6 | 12.4 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Calvinia are October, January, and then September. 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 early to mid June with an average of 1 days of significant precipitation the week of June 11th.
When can you find snow in Calvinia? 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 Calvinia.
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Snow on the Ground
The graph below shows the average snow on the ground in Calvinia (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 2% | 0 | 0.3 |
| Feb | 5% | 0 | 0.6 |
| Mar | 5% | 0 | 0.7 |
| Apr | 6% | 0 | 0.8 |
| May | 6% | 0 | 0.7 |
| Jun | 14% | 0 | 1.3 |
| Jul | 7% | 0 | 0.7 |
| Aug | 9% | 0 | 1 |
| Sep | 3% | 0 | 0.3 |
| Oct | 1% | 0 | 0.1 |
| Nov | 3% | 0 | 0.3 |
| Dec | 5% | 0 | 0.8 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 2 | 0 | 0.8 |
| Feb | 5 | 0 | 1.5 |
| Mar | 5 | 0 | 1.8 |
| Apr | 6 | 0 | 2 |
| May | 6 | 0 | 1.8 |
| Jun | 14 | 0 | 3.3 |
| Jul | 7 | 0 | 1.8 |
| Aug | 9 | 0 | 2.5 |
| Sep | 3 | 0 | 0.8 |
| Oct | 1 | 0 | 0.3 |
| Nov | 3 | 0 | 0.8 |
| Dec | 5 | 0 | 2 |
Humidity and Wind
Calvinia has some comfortably humid months, and dry months in the opposite season. The least humid month is January (24.1% relative humidity), and the most humid month is June (51.3%).
Wind in Calvinia is usually moderate. The windiest month is November, followed by June and August. November’s average wind speed of around 8.2 knots (9.5 MPH or 15.2 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid to late November where average top sustained speeds reach 14.6 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Calvinia.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 7.8 | Gentle breeze | 13.7 | Significant breeze |
| Feb | 7.4 | Gentle breeze | 13.2 | Significant breeze |
| Mar | 7.1 | Gentle breeze | 12.7 | Significant breeze |
| Apr | 7 | Gentle breeze | 12 | Significant breeze |
| May | 6.6 | Light breeze | 11.7 | Significant breeze |
| Jun | 8.1 | Gentle breeze | 13 | Significant breeze |
| Jul | 7.9 | Gentle breeze | 12.6 | Significant breeze |
| Aug | 8.1 | Gentle breeze | 13.3 | Significant breeze |
| Sep | 7.3 | Gentle breeze | 12.3 | Significant breeze |
| Oct | 7.8 | Gentle breeze | 13.4 | Significant breeze |
| Nov | 8.2 | Gentle breeze | 14.1 | Significant breeze |
| Dec | 7.8 | Gentle breeze | 13.9 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 24.1% |
| Feb | 26.9% |
| Mar | 27% |
| Apr | 31.3% |
| May | 41% |
| Jun | 51.3% |
| Jul | 44.8% |
| Aug | 42.1% |
| Sep | 35% |
| Oct | 28% |
| Nov | 25.6% |
| Dec | 26.7% |
Is it Safe to Travel to Calvinia?
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 Calvinia, 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 Calvinia 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
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Overall Calvinia Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel moderate. Highs range from 92.9°F (33.8°C) and 65.6°F (18.7°C) with colder temperatures in the later months. Rain is rare with roughly 2 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 2 to 4 days of precipitation per month. June – August is fairly slow season for tourism in Calvinia, so lodging and other accommodations may cost slightly less.
Spring (September through November)
Spring daily highs range from 88.2°F (31.2°C) and 72.2°F (22.3°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 Calvinia to be enjoyable for warm weather travelers. The average high during this season is between 94.2°F (34.6°C) and 86.8°F (30.4°C). On average, it rains or snows a smalll amount: consistently 1 times per month. These times of year are the busiest with tourists.
Best Times to Travel› South Africa › Calvinia, South Africa