Winburg climate — normals and trends
Winburg (South Africa) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 689 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 (22.3 °C on average) and the coldest is June (8.4 °C). Rainfall peaks in January.
Winburg averages 25 frost days, 57 hot days (≥ 30 °C) and 95 rainy days per year.
Winburg has warmed by +1.2 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.6 °C (on 6 January 2016) and the coldest -7.6 °C (on 3 July 1992).
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
WinburgFree State
- coords
- -28.52°, 27.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
24.2°C
Average daily low
9.9°C
Annual rainfall
689mm
Sunshine / day
10.9h
Mean relative humidity
57%
Average peak wind
17.2km/h
Seasonal range
13.9°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
57 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
0.1 cm
Average feels-like high
22.7 °C
Average feels-like low
7.7 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.2 °C per decade · r² = 0.28 · 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
40.6 °C
6 January 2016
Coldest day
-7.6 °C
3 July 1992
Wettest day
96 mm
21 January 1947
Windiest day
48.2 km/h
11 August 1957
Strongest gust
91.8 km/h
23 August 2011
Hottest feels-like
39.9 °C
29 January 1983
Coldest feels-like
-12.3 °C
3 July 1992
Snowiest day
4.1 cm
7 July 1996
Sunniest day
13.8 h
9 December 1940
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 | 31.5 °C | +2.4 °C | 63 mm | -49 mm |
| Feb | 29.7 °C | +1.8 °C | 66 mm | -30 mm |
| Mar | 27.3 °C | +0.9 °C | 108 mm | +23 mm |
| Apr | 21.4 °C | -1.8 °C | 244 mm | +186 mm |
| May | 20.9 °C | +0.6 °C | 4 mm | -19 mm |
| Jun | 18.3 °C | +1.1 °C | 12 mm | +0 mm |
| Jul | 18.5 °C | +1.0 °C | 11 mm | +3 mm |
| Aug | 22.4 °C | +1.9 °C | 23 mm | +7 mm |
| Sep | 25.2 °C | +0.5 °C | 50 mm | +29 mm |
| Oct | 26.7 °C | +0.1 °C | 80 mm | +16 mm |
| Nov | 25.2 °C | -2.4 °C | 171 mm | +79 mm |
| Dec | 28.0 °C | -0.8 °C | 99 mm | -3 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 Winburg?
Winburg has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 689 mm of precipitation per year.
What is the hottest day ever recorded in Winburg?
The hottest day measured in Winburg between 1940 and 2025 was 6 January 2016, reaching 40.6 °C.
What is the coldest day in Winburg?
The coldest day measured in Winburg between 1940 and 2025 was 3 July 1992, at -7.6 °C.
Does it snow in Winburg?
Almost never: Winburg sees virtually no snow, with about 25 frost days per year.
Has the climate of Winburg warmed?
Yes: Winburg warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Winburg?
The wettest day measured in Winburg between 1940 and 2025 was 21 January 1947, with 96 mm of rain in 24 hours.
What was the windiest day in Winburg?
The windiest day measured in Winburg between 1940 and 2025 was 11 August 1957, with winds reaching 48.2 km/h.
What is the warmest month in Winburg?
The warmest month in Winburg is January (22.3 °C on average); the coldest is June (8.4 °C).
How much does it rain in Winburg?
Winburg receives on average 689 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Winburg?
Winburg 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 Winburg?
The heaviest 24-hour snowfall measured in Winburg between 1940 and 2025 was 7 July 1996, with 4.1 cm.
Are there tropical nights in Winburg?
Yes: Winburg has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Winburg?
In Winburg, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 29 January 1983, and the lowest was -12.3 °C on 3 July 1992.
Compare Winburg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Winburg