Oudtshoorn climate — normals and trends
Oudtshoorn (South Africa) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 376 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 (21.0 °C on average) and the coldest is July (10.0 °C). Rainfall peaks in March.
Oudtshoorn averages 5 frost days, 53 hot days (≥ 30 °C) and 75 rainy days per year.
Oudtshoorn has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 7 to 3 per year over the period.
The hottest day of the period reached 42.3 °C (on 9 February 2010) and the coldest -4.4 °C (on 29 July 1946).
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
OudtshoornWestern Cape
- coords
- -33.60°, 22.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
23.1°C
Average daily low
10.1°C
Annual rainfall
376mm
Sunshine / day
10.5h
Mean relative humidity
65%
Average peak wind
16.2km/h
Seasonal range
11.0°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
53 d/yr
Rainy days (≥ 1 mm)
75 d/yr
Annual snowfall
0.3 cm
Average feels-like high
21.9 °C
Average feels-like low
8.6 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.69 · 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
42.3 °C
9 February 2010
Coldest day
-4.4 °C
29 July 1946
Wettest day
102 mm
11 March 1941
Windiest day
50.8 km/h
2 December 1943
Strongest gust
98.3 km/h
24 June 1991
Hottest feels-like
43.0 °C
2 February 1990
Coldest feels-like
-8.5 °C
29 July 1946
Snowiest day
2.7 cm
12 June 1945
Sunniest day
14.2 h
19 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.3 °C | +1.5 °C | 16 mm | -12 mm |
| Feb | 29.3 °C | +0.9 °C | 17 mm | -16 mm |
| Mar | 29.0 °C | +2.2 °C | 32 mm | -7 mm |
| Apr | 24.1 °C | +0.6 °C | 56 mm | +19 mm |
| May | 22.3 °C | +2.0 °C | 14 mm | -14 mm |
| Jun | 17.8 °C | +0.4 °C | 41 mm | +15 mm |
| Jul | 17.3 °C | +0.2 °C | 20 mm | -5 mm |
| Aug | 19.4 °C | +1.1 °C | 12 mm | -18 mm |
| Sep | 23.1 °C | +2.5 °C | 9 mm | -19 mm |
| Oct | 25.6 °C | +2.6 °C | 21 mm | -18 mm |
| Nov | 28.5 °C | +3.3 °C | 18 mm | -19 mm |
| Dec | 30.4 °C | +3.0 °C | 15 mm | -12 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 Oudtshoorn?
Oudtshoorn has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 376 mm of precipitation per year.
What is the hottest day ever recorded in Oudtshoorn?
The hottest day measured in Oudtshoorn between 1940 and 2025 was 9 February 2010, reaching 42.3 °C.
What is the coldest day in Oudtshoorn?
The coldest day measured in Oudtshoorn between 1940 and 2025 was 29 July 1946, at -4.4 °C.
Does it snow in Oudtshoorn?
Almost never: Oudtshoorn sees virtually no snow, with about 5 frost days per year.
Has the climate of Oudtshoorn warmed?
Yes: Oudtshoorn warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oudtshoorn?
The wettest day measured in Oudtshoorn between 1940 and 2025 was 11 March 1941, with 102 mm of rain in 24 hours.
What was the windiest day in Oudtshoorn?
The windiest day measured in Oudtshoorn between 1940 and 2025 was 2 December 1943, with winds reaching 50.8 km/h.
What is the warmest month in Oudtshoorn?
The warmest month in Oudtshoorn is January (21.0 °C on average); the coldest is July (10.0 °C).
How much does it rain in Oudtshoorn?
Oudtshoorn receives on average 376 mm of precipitation per year, spread over about 75 rainy days.
Is it sunny in Oudtshoorn?
Oudtshoorn gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Oudtshoorn?
The heaviest 24-hour snowfall measured in Oudtshoorn between 1940 and 2025 was 12 June 1945, with 2.7 cm.
Are there tropical nights in Oudtshoorn?
Yes: Oudtshoorn has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oudtshoorn?
In Oudtshoorn, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 2 February 1990, and the lowest was -8.5 °C on 29 July 1946.
Compare Oudtshoorn with another city
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Nearby cities
The climate around Oudtshoorn