Thaba-Tseka climate — normals and trends
Thaba-Tseka (Lesotho) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 1,059 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 (14.6 °C on average) and the coldest is July (1.8 °C). Rainfall peaks in January.
Thaba-Tseka averages 111 frost days, 0 hot days (≥ 30 °C) and 141 rainy days per year.
Thaba-Tseka has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 115 to 107 per year over the period.
The hottest day of the period reached 30.6 °C (on 24 December 2015) and the coldest -23.9 °C (on 26 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
Thaba-TsekaThaba-Tseka
- coords
- -29.52°, 28.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
16.2°C
Average daily low
3.4°C
Annual rainfall
1,059mm
Sunshine / day
10.9h
Mean relative humidity
66%
Average peak wind
14.8km/h
Seasonal range
12.8°C
Frost days (< 0 °C)
111 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
26.6 cm
Average feels-like high
14.1 °C
Average feels-like low
0.7 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
30.6 °C
24 December 2015
Coldest day
-23.9 °C
26 June 1964
Wettest day
58 mm
22 December 2020
Windiest day
38.7 km/h
11 August 1957
Strongest gust
106.2 km/h
29 August 1991
Hottest feels-like
29.7 °C
5 January 2016
Coldest feels-like
-28.6 °C
26 June 1964
Snowiest day
33.3 cm
28 September 1987
Sunniest day
13.9 h
10 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 | 21.8 °C | +1.2 °C | 183 mm | +5 mm |
| Feb | 20.6 °C | +0.5 °C | 184 mm | +36 mm |
| Mar | 19.8 °C | +1.0 °C | 164 mm | +49 mm |
| Apr | 16.0 °C | 0.0 °C | 178 mm | +115 mm |
| May | 15.4 °C | +2.2 °C | 13 mm | -16 mm |
| Jun | 9.5 °C | -0.7 °C | 34 mm | +18 mm |
| Jul | 10.4 °C | +0.3 °C | 29 mm | +14 mm |
| Aug | 14.4 °C | +1.9 °C | 19 mm | -9 mm |
| Sep | 16.4 °C | +0.3 °C | 95 mm | +48 mm |
| Oct | 18.4 °C | +0.7 °C | 122 mm | +6 mm |
| Nov | 18.2 °C | -0.6 °C | 235 mm | +94 mm |
| Dec | 20.1 °C | +0.1 °C | 189 mm | +25 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 Thaba-Tseka?
Thaba-Tseka has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 1,059 mm of precipitation per year.
What is the hottest day ever recorded in Thaba-Tseka?
The hottest day measured in Thaba-Tseka between 1940 and 2025 was 24 December 2015, reaching 30.6 °C.
What is the coldest day in Thaba-Tseka?
The coldest day measured in Thaba-Tseka between 1940 and 2025 was 26 June 1964, at -23.9 °C.
Does it snow in Thaba-Tseka?
Yes. Thaba-Tseka gets on average 26.6 cm of snow per year and has around 111 frost days.
Has the climate of Thaba-Tseka warmed?
Yes: Thaba-Tseka warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Thaba-Tseka?
The wettest day measured in Thaba-Tseka between 1940 and 2025 was 22 December 2020, with 58 mm of rain in 24 hours.
What was the windiest day in Thaba-Tseka?
The windiest day measured in Thaba-Tseka between 1940 and 2025 was 11 August 1957, with winds reaching 38.7 km/h.
What is the warmest month in Thaba-Tseka?
The warmest month in Thaba-Tseka is January (14.6 °C on average); the coldest is July (1.8 °C).
How much does it rain in Thaba-Tseka?
Thaba-Tseka receives on average 1,059 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Thaba-Tseka?
Thaba-Tseka 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 Thaba-Tseka?
The heaviest 24-hour snowfall measured in Thaba-Tseka between 1940 and 2025 was 28 September 1987, with 33.3 cm.
Are there tropical nights in Thaba-Tseka?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Thaba-Tseka.
What was the most extreme apparent temperature in Thaba-Tseka?
In Thaba-Tseka, between 1940 and 2025, the highest apparent temperature reached 29.7 °C on 5 January 2016, and the lowest was -28.6 °C on 26 June 1964.
Compare Thaba-Tseka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Thaba-Tseka