Mooi River climate — normals and trends
Mooi River (South Africa) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.1 °C and it receives 880 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 (19.2 °C on average) and the coldest is June (9.5 °C). Rainfall peaks in January.
Mooi River averages 4 frost days, 17 hot days (≥ 30 °C) and 138 rainy days per year.
Mooi River has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.1 °C (on 24 December 2015) and the coldest -7.6 °C (on 13 June 1956).
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
Mooi RiverKwaZulu-Natal
- coords
- -29.21°, 29.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.1°C
Average daily high
21.8°C
Average daily low
10.1°C
Annual rainfall
880mm
Sunshine / day
9.2h
Mean relative humidity
71%
Average peak wind
13.9km/h
Seasonal range
9.7°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
2.8 cm
Average feels-like high
21.2 °C
Average feels-like low
8.7 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.57 · 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
37.1 °C
24 December 2015
Coldest day
-7.6 °C
13 June 1956
Wettest day
91 mm
28 September 1987
Windiest day
42.3 km/h
23 September 1941
Strongest gust
95.0 km/h
26 August 1980
Hottest feels-like
38.3 °C
6 January 2016
Coldest feels-like
-11.5 °C
13 June 1956
Snowiest day
17.0 cm
27 June 2007
Sunniest day
13.9 h
26 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 | 26.6 °C | +1.5 °C | 177 mm | +36 mm |
| Feb | 24.8 °C | -0.1 °C | 92 mm | -36 mm |
| Mar | 25.2 °C | +1.2 °C | 121 mm | +17 mm |
| Apr | 21.1 °C | -0.6 °C | 145 mm | +88 mm |
| May | 21.3 °C | +1.7 °C | 9 mm | -13 mm |
| Jun | 18.3 °C | +1.1 °C | 22 mm | +7 mm |
| Jul | 18.1 °C | +0.8 °C | 17 mm | +3 mm |
| Aug | 21.8 °C | +2.4 °C | 5 mm | -20 mm |
| Sep | 22.2 °C | +0.3 °C | 81 mm | +39 mm |
| Oct | 23.3 °C | +0.6 °C | 70 mm | -10 mm |
| Nov | 23.1 °C | -0.4 °C | 111 mm | -5 mm |
| Dec | 25.2 °C | +0.5 °C | 193 mm | +54 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 Mooi River?
Mooi River has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.1 °C and it receives 880 mm of precipitation per year.
What is the hottest day ever recorded in Mooi River?
The hottest day measured in Mooi River between 1940 and 2025 was 24 December 2015, reaching 37.1 °C.
What is the coldest day in Mooi River?
The coldest day measured in Mooi River between 1940 and 2025 was 13 June 1956, at -7.6 °C.
Does it snow in Mooi River?
Yes. Mooi River gets on average 2.8 cm of snow per year and has around 4 frost days.
Has the climate of Mooi River warmed?
Yes: Mooi River warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mooi River?
The wettest day measured in Mooi River between 1940 and 2025 was 28 September 1987, with 91 mm of rain in 24 hours.
What was the windiest day in Mooi River?
The windiest day measured in Mooi River between 1940 and 2025 was 23 September 1941, with winds reaching 42.3 km/h.
What is the warmest month in Mooi River?
The warmest month in Mooi River is January (19.2 °C on average); the coldest is June (9.5 °C).
How much does it rain in Mooi River?
Mooi River receives on average 880 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Mooi River?
Mooi River gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mooi River?
The heaviest 24-hour snowfall measured in Mooi River between 1940 and 2025 was 27 June 2007, with 17.0 cm.
Are there tropical nights in Mooi River?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mooi River.
What was the most extreme apparent temperature in Mooi River?
In Mooi River, between 1940 and 2025, the highest apparent temperature reached 38.3 °C on 6 January 2016, and the lowest was -11.5 °C on 13 June 1956.
Compare Mooi River with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mooi River