Alexandra climate — normals and trends
Alexandra (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 688 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 (20.7 °C on average) and the coldest is June (10.1 °C). Rainfall peaks in December.
Alexandra averages 3 frost days, 20 hot days (≥ 30 °C) and 102 rainy days per year.
Alexandra 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 37.4 °C (on 6 January 2016) and the coldest -4.2 °C (on 27 June 1964).
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
AlexandraGauteng
- coords
- -26.11°, 28.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
23.2°C
Average daily low
11.2°C
Annual rainfall
688mm
Sunshine / day
10.8h
Mean relative humidity
60%
Average peak wind
16.2km/h
Seasonal range
10.6°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
102 d/yr
Annual snowfall
0.1 cm
Average feels-like high
22.3 °C
Average feels-like low
9.4 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.29 · 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
37.4 °C
6 January 2016
Coldest day
-4.2 °C
27 June 1964
Wettest day
95 mm
19 February 2025
Windiest day
43.7 km/h
19 October 1945
Strongest gust
87.5 km/h
28 September 2012
Hottest feels-like
37.2 °C
7 January 2016
Coldest feels-like
-8.2 °C
27 June 1964
Snowiest day
5.7 cm
10 September 1981
Sunniest day
13.6 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 | 26.6 °C | +0.4 °C | 237 mm | +121 mm |
| Feb | 25.6 °C | -0.2 °C | 313 mm | +207 mm |
| Mar | 24.6 °C | -0.2 °C | 130 mm | +51 mm |
| Apr | 21.2 °C | -1.3 °C | 124 mm | +75 mm |
| May | 20.6 °C | +0.1 °C | 7 mm | -10 mm |
| Jun | 18.6 °C | +0.7 °C | 2 mm | -5 mm |
| Jul | 18.4 °C | +0.2 °C | 6 mm | +3 mm |
| Aug | 22.9 °C | +1.9 °C | 9 mm | +2 mm |
| Sep | 26.0 °C | +1.4 °C | 27 mm | +6 mm |
| Oct | 25.8 °C | 0.0 °C | 61 mm | -1 mm |
| Nov | 22.9 °C | -2.7 °C | 189 mm | +92 mm |
| Dec | 24.6 °C | -1.3 °C | 170 mm | +47 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 Alexandra?
Alexandra has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 688 mm of precipitation per year.
What is the hottest day ever recorded in Alexandra?
The hottest day measured in Alexandra between 1940 and 2025 was 6 January 2016, reaching 37.4 °C.
What is the coldest day in Alexandra?
The coldest day measured in Alexandra between 1940 and 2025 was 27 June 1964, at -4.2 °C.
Does it snow in Alexandra?
Almost never: Alexandra sees virtually no snow, with about 3 frost days per year.
Has the climate of Alexandra warmed?
Yes: Alexandra warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alexandra?
The wettest day measured in Alexandra between 1940 and 2025 was 19 February 2025, with 95 mm of rain in 24 hours.
What was the windiest day in Alexandra?
The windiest day measured in Alexandra between 1940 and 2025 was 19 October 1945, with winds reaching 43.7 km/h.
What is the warmest month in Alexandra?
The warmest month in Alexandra is January (20.7 °C on average); the coldest is June (10.1 °C).
How much does it rain in Alexandra?
Alexandra receives on average 688 mm of precipitation per year, spread over about 102 rainy days.
Is it sunny in Alexandra?
Alexandra gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alexandra?
The heaviest 24-hour snowfall measured in Alexandra between 1940 and 2025 was 10 September 1981, with 5.7 cm.
Are there tropical nights in Alexandra?
Yes: Alexandra has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alexandra?
In Alexandra, between 1940 and 2025, the highest apparent temperature reached 37.2 °C on 7 January 2016, and the lowest was -8.2 °C on 27 June 1964.
Compare Alexandra with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alexandra