Vredefort climate — normals and trends
Vredefort (South Africa) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 17.1 °C and it receives 715 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (22.0 °C on average) and the coldest is June (9.7 °C). Rainfall peaks in January.
Vredefort averages 10 frost days, 51 hot days (≥ 30 °C) and 101 rainy days per year.
Vredefort has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.1 °C (on 6 January 2016) and the coldest -5.4 °C (on 20 June 1978).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
VredefortFree State
- coords
- -27.01°, 27.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.1°C
Average daily high
24.5°C
Average daily low
11.1°C
Annual rainfall
715mm
Sunshine / day
10.9h
Mean relative humidity
57%
Average peak wind
17.2km/h
Seasonal range
12.3°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
51 d/yr
Rainy days (≥ 1 mm)
101 d/yr
Annual snowfall
0.1 cm
Average feels-like high
23.4 °C
Average feels-like low
9.1 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
20.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.23 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
40.1 °C
6 January 2016
Coldest day
-5.4 °C
20 June 1978
Wettest day
90 mm
18 November 1995
Windiest day
44.1 km/h
24 August 2003
Strongest gust
89.6 km/h
8 November 1986
Hottest feels-like
39.3 °C
6 January 2016
Coldest feels-like
-9.7 °C
19 July 1995
Snowiest day
2.7 cm
7 July 1996
Sunniest day
13.7 h
22 December 2023
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 29.1 °C | +0.9 °C | 133 mm | +8 mm |
| Feb | 27.8 °C | +0.5 °C | 269 mm | +163 mm |
| Mar | 25.9 °C | -0.3 °C | 119 mm | +34 mm |
| Apr | 22.1 °C | -1.6 °C | 154 mm | +101 mm |
| May | 21.5 °C | +0.3 °C | 6 mm | -13 mm |
| Jun | 19.2 °C | +0.9 °C | 9 mm | +1 mm |
| Jul | 19.6 °C | +1.0 °C | 12 mm | +6 mm |
| Aug | 24.6 °C | +2.9 °C | 4 mm | -9 mm |
| Sep | 27.4 °C | +1.8 °C | 35 mm | +14 mm |
| Oct | 27.8 °C | +0.5 °C | 64 mm | -1 mm |
| Nov | 25.2 °C | -2.3 °C | 162 mm | +65 mm |
| Dec | 27.4 °C | -0.7 °C | 122 mm | +5 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Vredefort?
Vredefort has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 715 mm of precipitation per year.
What is the hottest day ever recorded in Vredefort?
The hottest day measured in Vredefort between 1940 and 2025 was 6 January 2016, reaching 40.1 °C.
What is the coldest day in Vredefort?
The coldest day measured in Vredefort between 1940 and 2025 was 20 June 1978, at -5.4 °C.
Does it snow in Vredefort?
Almost never: Vredefort sees virtually no snow, with about 10 frost days per year.
Has the climate of Vredefort warmed?
Yes: Vredefort warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vredefort?
The wettest day measured in Vredefort between 1940 and 2025 was 18 November 1995, with 90 mm of rain in 24 hours.
What was the windiest day in Vredefort?
The windiest day measured in Vredefort between 1940 and 2025 was 24 August 2003, with winds reaching 44.1 km/h.
What is the warmest month in Vredefort?
The warmest month in Vredefort is January (22.0 °C on average); the coldest is June (9.7 °C).
How much does it rain in Vredefort?
Vredefort receives on average 715 mm of precipitation per year, spread over about 101 rainy days.
Is it sunny in Vredefort?
Vredefort gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Vredefort?
The heaviest 24-hour snowfall measured in Vredefort between 1940 and 2025 was 7 July 1996, with 2.7 cm.
Are there tropical nights in Vredefort?
Yes: Vredefort has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Vredefort?
In Vredefort, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 6 January 2016, and the lowest was -9.7 °C on 19 July 1995.
Compare Vredefort with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vredefort