Koppies climate — normals and trends
Koppies (South Africa) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 16.6 °C and it receives 725 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 (21.6 °C on average) and the coldest is June (9.2 °C). Rainfall peaks in January.
Koppies averages 11 frost days, 43 hot days (≥ 30 °C) and 101 rainy days per year.
Koppies has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.3 °C (on 6 January 2016) and the coldest -5.9 °C (on 26 June 1992).
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
KoppiesFree State
- coords
- -27.24°, 27.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
24.0°C
Average daily low
10.8°C
Annual rainfall
725mm
Sunshine / day
10.9h
Mean relative humidity
58%
Average peak wind
17.5km/h
Seasonal range
12.4°C
Frost days (< 0 °C)
11 d/yr
Hot days (≥ 30 °C)
43 d/yr
Rainy days (≥ 1 mm)
101 d/yr
Annual snowfall
0.1 cm
Average feels-like high
22.9 °C
Average feels-like low
8.6 °C
Average peak gust
35.3 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
20.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.26 · 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
40.3 °C
6 January 2016
Coldest day
-5.9 °C
26 June 1992
Wettest day
82 mm
17 December 1995
Windiest day
44.6 km/h
23 September 1941
Strongest gust
86.8 km/h
8 November 2021
Hottest feels-like
39.1 °C
6 January 2016
Coldest feels-like
-10.3 °C
26 June 1992
Snowiest day
5.5 cm
7 July 1996
Sunniest day
13.7 h
16 December 2025
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 | 28.8 °C | +1.0 °C | 128 mm | +4 mm |
| Feb | 27.6 °C | +0.6 °C | 222 mm | +120 mm |
| Mar | 25.6 °C | -0.3 °C | 124 mm | +39 mm |
| Apr | 21.7 °C | -1.6 °C | 194 mm | +139 mm |
| May | 21.1 °C | +0.4 °C | 6 mm | -14 mm |
| Jun | 18.7 °C | +0.9 °C | 12 mm | +3 mm |
| Jul | 18.9 °C | +0.8 °C | 13 mm | +7 mm |
| Aug | 23.8 °C | +2.7 °C | 15 mm | +2 mm |
| Sep | 26.2 °C | +1.2 °C | 39 mm | +17 mm |
| Oct | 26.9 °C | +0.3 °C | 65 mm | -3 mm |
| Nov | 24.5 °C | -2.5 °C | 184 mm | +83 mm |
| Dec | 26.9 °C | -0.8 °C | 100 mm | -20 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 Koppies?
Koppies has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 725 mm of precipitation per year.
What is the hottest day ever recorded in Koppies?
The hottest day measured in Koppies between 1940 and 2025 was 6 January 2016, reaching 40.3 °C.
What is the coldest day in Koppies?
The coldest day measured in Koppies between 1940 and 2025 was 26 June 1992, at -5.9 °C.
Does it snow in Koppies?
Almost never: Koppies sees virtually no snow, with about 11 frost days per year.
Has the climate of Koppies warmed?
Yes: Koppies warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Koppies?
The wettest day measured in Koppies between 1940 and 2025 was 17 December 1995, with 82 mm of rain in 24 hours.
What was the windiest day in Koppies?
The windiest day measured in Koppies between 1940 and 2025 was 23 September 1941, with winds reaching 44.6 km/h.
What is the warmest month in Koppies?
The warmest month in Koppies is January (21.6 °C on average); the coldest is June (9.2 °C).
How much does it rain in Koppies?
Koppies receives on average 725 mm of precipitation per year, spread over about 101 rainy days.
Is it sunny in Koppies?
Koppies gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Koppies?
The heaviest 24-hour snowfall measured in Koppies between 1940 and 2025 was 7 July 1996, with 5.5 cm.
Are there tropical nights in Koppies?
Yes: Koppies has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Koppies?
In Koppies, between 1940 and 2025, the highest apparent temperature reached 39.1 °C on 6 January 2016, and the lowest was -10.3 °C on 26 June 1992.
Compare Koppies with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Koppies