Breyten climate — normals and trends
Breyten (South Africa) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 14.5 °C and it receives 797 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 (18.1 °C on average) and the coldest is June (8.6 °C). Rainfall peaks in December.
Breyten averages 8 frost days, 4 hot days (≥ 30 °C) and 110 rainy days per year.
Breyten has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 11 to 5 per year over the period.
The hottest day of the period reached 34.0 °C (on 11 November 2015) and the coldest -6.3 °C (on 10 July 1996).
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
BreytenMpumalanga
- coords
- -26.30°, 29.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.5°C
Average daily high
21.4°C
Average daily low
9.4°C
Annual rainfall
797mm
Sunshine / day
9.9h
Mean relative humidity
69%
Average peak wind
18.3km/h
Seasonal range
9.5°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
1.1 cm
Average feels-like high
20.2 °C
Average feels-like low
7.2 °C
Average peak gust
36.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
34.0 °C
11 November 2015
Coldest day
-6.3 °C
10 July 1996
Wettest day
70 mm
30 January 1984
Windiest day
50.3 km/h
23 September 1941
Strongest gust
96.8 km/h
30 August 2008
Hottest feels-like
35.0 °C
30 January 1983
Coldest feels-like
-10.9 °C
10 July 1996
Snowiest day
10.9 cm
10 September 1981
Sunniest day
13.7 h
19 December 1941
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 | 24.9 °C | +1.1 °C | 224 mm | +91 mm |
| Feb | 23.7 °C | +0.1 °C | 204 mm | +103 mm |
| Mar | 23.1 °C | +0.2 °C | 102 mm | +20 mm |
| Apr | 19.8 °C | -1.2 °C | 87 mm | +40 mm |
| May | 19.4 °C | +0.3 °C | 7 mm | -9 mm |
| Jun | 17.3 °C | +0.7 °C | 1 mm | -7 mm |
| Jul | 17.3 °C | +0.4 °C | 4 mm | -1 mm |
| Aug | 22.2 °C | +2.5 °C | 6 mm | -5 mm |
| Sep | 23.9 °C | +0.9 °C | 44 mm | +14 mm |
| Oct | 23.3 °C | -0.3 °C | 70 mm | -18 mm |
| Nov | 21.0 °C | -2.1 °C | 198 mm | +67 mm |
| Dec | 23.0 °C | -0.7 °C | 142 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 Breyten?
Breyten has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 797 mm of precipitation per year.
What is the hottest day ever recorded in Breyten?
The hottest day measured in Breyten between 1940 and 2025 was 11 November 2015, reaching 34.0 °C.
What is the coldest day in Breyten?
The coldest day measured in Breyten between 1940 and 2025 was 10 July 1996, at -6.3 °C.
Does it snow in Breyten?
Yes. Breyten gets on average 1.1 cm of snow per year and has around 8 frost days.
Has the climate of Breyten warmed?
Yes: Breyten warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Breyten?
The wettest day measured in Breyten between 1940 and 2025 was 30 January 1984, with 70 mm of rain in 24 hours.
What was the windiest day in Breyten?
The windiest day measured in Breyten between 1940 and 2025 was 23 September 1941, with winds reaching 50.3 km/h.
What is the warmest month in Breyten?
The warmest month in Breyten is January (18.1 °C on average); the coldest is June (8.6 °C).
How much does it rain in Breyten?
Breyten receives on average 797 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Breyten?
Breyten gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
What is the biggest single-day snowfall in Breyten?
The heaviest 24-hour snowfall measured in Breyten between 1940 and 2025 was 10 September 1981, with 10.9 cm.
Are there tropical nights in Breyten?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Breyten.
What was the most extreme apparent temperature in Breyten?
In Breyten, between 1940 and 2025, the highest apparent temperature reached 35.0 °C on 30 January 1983, and the lowest was -10.9 °C on 10 July 1996.
Compare Breyten with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Breyten