Aliwal North climate — normals and trends
Aliwal North (South Africa) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 734 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 (21.4 °C on average) and the coldest is July (7.0 °C). Rainfall peaks in January.
Aliwal North averages 41 frost days, 52 hot days (≥ 30 °C) and 89 rainy days per year.
Aliwal North has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.5 °C (on 5 January 2016) and the coldest -8.1 °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
Aliwal NorthEastern Cape
- coords
- -30.69°, 26.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.0°C
Average daily high
23.1°C
Average daily low
8.2°C
Annual rainfall
734mm
Sunshine / day
11.0h
Mean relative humidity
58%
Average peak wind
18.7km/h
Seasonal range
14.4°C
Frost days (< 0 °C)
41 d/yr
Hot days (≥ 30 °C)
52 d/yr
Rainy days (≥ 1 mm)
89 d/yr
Annual snowfall
1.0 cm
Average feels-like high
20.9 °C
Average feels-like low
5.8 °C
Average peak gust
39.5 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
20.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
40.5 °C
5 January 2016
Coldest day
-8.1 °C
26 June 1992
Wettest day
121 mm
27 January 2021
Windiest day
52.3 km/h
22 January 1954
Strongest gust
103.3 km/h
12 September 1996
Hottest feels-like
39.0 °C
5 January 2016
Coldest feels-like
-12.2 °C
26 June 1992
Snowiest day
6.0 cm
4 June 2024
Sunniest day
13.9 h
2 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 | 32.8 °C | +3.7 °C | 38 mm | -75 mm |
| Feb | 29.4 °C | +1.6 °C | 99 mm | -13 mm |
| Mar | 25.8 °C | +0.1 °C | 147 mm | +47 mm |
| Apr | 21.1 °C | -1.0 °C | 139 mm | +74 mm |
| May | 19.6 °C | +0.8 °C | 16 mm | -16 mm |
| Jun | 16.6 °C | +0.9 °C | 33 mm | +14 mm |
| Jul | 16.5 °C | +0.5 °C | 32 mm | +17 mm |
| Aug | 20.9 °C | +2.2 °C | 9 mm | -10 mm |
| Sep | 24.0 °C | +1.3 °C | 29 mm | -1 mm |
| Oct | 26.8 °C | +1.7 °C | 32 mm | -29 mm |
| Nov | 26.5 °C | -0.3 °C | 107 mm | +27 mm |
| Dec | 28.1 °C | -0.6 °C | 137 mm | +46 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 Aliwal North?
Aliwal North has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 734 mm of precipitation per year.
What is the hottest day ever recorded in Aliwal North?
The hottest day measured in Aliwal North between 1940 and 2025 was 5 January 2016, reaching 40.5 °C.
What is the coldest day in Aliwal North?
The coldest day measured in Aliwal North between 1940 and 2025 was 26 June 1992, at -8.1 °C.
Does it snow in Aliwal North?
Almost never: Aliwal North sees virtually no snow, with about 41 frost days per year.
Has the climate of Aliwal North warmed?
Yes: Aliwal North warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aliwal North?
The wettest day measured in Aliwal North between 1940 and 2025 was 27 January 2021, with 121 mm of rain in 24 hours.
What was the windiest day in Aliwal North?
The windiest day measured in Aliwal North between 1940 and 2025 was 22 January 1954, with winds reaching 52.3 km/h.
What is the warmest month in Aliwal North?
The warmest month in Aliwal North is January (21.4 °C on average); the coldest is July (7.0 °C).
How much does it rain in Aliwal North?
Aliwal North receives on average 734 mm of precipitation per year, spread over about 89 rainy days.
Is it sunny in Aliwal North?
Aliwal North gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Aliwal North?
The heaviest 24-hour snowfall measured in Aliwal North between 1940 and 2025 was 4 June 2024, with 6.0 cm.
Are there tropical nights in Aliwal North?
Yes: Aliwal North has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aliwal North?
In Aliwal North, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 5 January 2016, and the lowest was -12.2 °C on 26 June 1992.
Compare Aliwal North with another city
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Nearby cities
The climate around Aliwal North