Moorreesburg climate — normals and trends
Moorreesburg (South Africa) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.3 °C and it receives 432 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 (23.5 °C on average) and the coldest is July (10.8 °C). Rainfall peaks in June.
Moorreesburg averages 2 frost days, 85 hot days (≥ 30 °C) and 65 rainy days per year.
Moorreesburg has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.9 °C (on 30 December 2015) and the coldest -3.6 °C (on 17 June 1988).
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
MoorreesburgWestern Cape
- coords
- -33.15°, 18.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.3°C
Average daily high
24.6°C
Average daily low
11.5°C
Annual rainfall
432mm
Sunshine / day
10.9h
Mean relative humidity
67%
Average peak wind
17.5km/h
Seasonal range
12.7°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
85 d/yr
Rainy days (≥ 1 mm)
65 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.1 °C
Average feels-like low
10.1 °C
Average peak gust
35.0 km/h
Tropical nights (≥ 20 °C)
9 d/yr
Solar radiation
20.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.50 · 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
42.9 °C
30 December 2015
Coldest day
-3.6 °C
17 June 1988
Wettest day
55 mm
5 July 1985
Windiest day
65.6 km/h
2 December 1943
Strongest gust
108.7 km/h
16 May 1984
Hottest feels-like
45.0 °C
22 January 2022
Coldest feels-like
-7.9 °C
20 July 1943
Sunniest day
14.0 h
17 December 2021
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 | 30.6 °C | -0.7 °C | 6 mm | -6 mm |
| Feb | 32.2 °C | +0.8 °C | 1 mm | -12 mm |
| Mar | 30.1 °C | +0.5 °C | 16 mm | -1 mm |
| Apr | 27.6 °C | +1.9 °C | 35 mm | +3 mm |
| May | 23.0 °C | +1.5 °C | 48 mm | -8 mm |
| Jun | 18.4 °C | 0.0 °C | 86 mm | +8 mm |
| Jul | 17.2 °C | -0.2 °C | 84 mm | +19 mm |
| Aug | 17.9 °C | -0.1 °C | 60 mm | -1 mm |
| Sep | 22.4 °C | +2.0 °C | 18 mm | -21 mm |
| Oct | 25.6 °C | +1.4 °C | 14 mm | -13 mm |
| Nov | 31.8 °C | +4.5 °C | 7 mm | -13 mm |
| Dec | 32.1 °C | +2.5 °C | 9 mm | -6 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 Moorreesburg?
Moorreesburg has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.3 °C and it receives 432 mm of precipitation per year.
What is the hottest day ever recorded in Moorreesburg?
The hottest day measured in Moorreesburg between 1940 and 2025 was 30 December 2015, reaching 42.9 °C.
What is the coldest day in Moorreesburg?
The coldest day measured in Moorreesburg between 1940 and 2025 was 17 June 1988, at -3.6 °C.
Does it snow in Moorreesburg?
Almost never: Moorreesburg sees virtually no snow, with about 2 frost days per year.
Has the climate of Moorreesburg warmed?
Yes: Moorreesburg warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Moorreesburg?
The wettest day measured in Moorreesburg between 1940 and 2025 was 5 July 1985, with 55 mm of rain in 24 hours.
What was the windiest day in Moorreesburg?
The windiest day measured in Moorreesburg between 1940 and 2025 was 2 December 1943, with winds reaching 65.6 km/h.
What is the warmest month in Moorreesburg?
The warmest month in Moorreesburg is January (23.5 °C on average); the coldest is July (10.8 °C).
How much does it rain in Moorreesburg?
Moorreesburg receives on average 432 mm of precipitation per year, spread over about 65 rainy days.
Is it sunny in Moorreesburg?
Moorreesburg gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Moorreesburg?
Yes: Moorreesburg has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Moorreesburg?
In Moorreesburg, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 22 January 2022, and the lowest was -7.9 °C on 20 July 1943.
Compare Moorreesburg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Moorreesburg