Folweni climate — normals and trends
Folweni (South Africa) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.3 °C and it receives 889 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 February (22.9 °C on average) and the coldest is July (15.4 °C). Rainfall peaks in February.
Folweni averages 0 frost days, 23 hot days (≥ 30 °C) and 126 rainy days per year.
Folweni has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.6 °C (on 25 December 2014) and the coldest 4.9 °C (on 23 July 1954).
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
FolweniKwaZulu-Natal
- coords
- -30.00°, 30.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.3°C
Average daily high
24.1°C
Average daily low
15.9°C
Annual rainfall
889mm
Sunshine / day
9.3h
Mean relative humidity
77%
Average peak wind
19.2km/h
Seasonal range
7.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
23 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.9 °C
Average feels-like low
15.6 °C
Average peak gust
39.0 km/h
Tropical nights (≥ 20 °C)
53 d/yr
Solar radiation
16.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.59 · 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
39.6 °C
25 December 2014
Coldest day
4.9 °C
23 July 1954
Wettest day
202 mm
28 September 1987
Windiest day
52.2 km/h
8 July 1996
Strongest gust
109.1 km/h
26 July 1994
Hottest feels-like
44.4 °C
14 January 1977
Coldest feels-like
1.0 °C
23 July 1954
Sunniest day
13.9 h
30 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 | 27.7 °C | +1.3 °C | 129 mm | +26 mm |
| Feb | 26.7 °C | 0.0 °C | 136 mm | +23 mm |
| Mar | 26.8 °C | +0.6 °C | 191 mm | +88 mm |
| Apr | 23.9 °C | -0.8 °C | 165 mm | +85 mm |
| May | 24.6 °C | +1.0 °C | 28 mm | -12 mm |
| Jun | 23.1 °C | +0.9 °C | 45 mm | +22 mm |
| Jul | 22.2 °C | +0.3 °C | 36 mm | +9 mm |
| Aug | 23.2 °C | +0.7 °C | 4 mm | -34 mm |
| Sep | 23.3 °C | +0.5 °C | 81 mm | +18 mm |
| Oct | 23.5 °C | +0.5 °C | 73 mm | -18 mm |
| Nov | 24.1 °C | +0.1 °C | 89 mm | -13 mm |
| Dec | 25.8 °C | +0.4 °C | 114 mm | +9 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 Folweni?
Folweni has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.3 °C and it receives 889 mm of precipitation per year.
What is the hottest day ever recorded in Folweni?
The hottest day measured in Folweni between 1940 and 2025 was 25 December 2014, reaching 39.6 °C.
What is the coldest day in Folweni?
The coldest day measured in Folweni between 1940 and 2025 was 23 July 1954, at 4.9 °C.
Does it snow in Folweni?
Almost never: Folweni sees virtually no snow, with about 0 frost days per year.
Has the climate of Folweni warmed?
Yes: Folweni warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Folweni?
The wettest day measured in Folweni between 1940 and 2025 was 28 September 1987, with 202 mm of rain in 24 hours.
What was the windiest day in Folweni?
The windiest day measured in Folweni between 1940 and 2025 was 8 July 1996, with winds reaching 52.2 km/h.
What is the warmest month in Folweni?
The warmest month in Folweni is February (22.9 °C on average); the coldest is July (15.4 °C).
How much does it rain in Folweni?
Folweni receives on average 889 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Folweni?
Folweni gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Folweni?
Yes: Folweni has on average 53 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Folweni?
In Folweni, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 14 January 1977, and the lowest was 1.0 °C on 23 July 1954.
Compare Folweni with another city
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Nearby cities
The climate around Folweni