Maseru climate — normals and trends
Maseru (Lesotho) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 14.1 °C and it receives 962 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 (20.0 °C on average) and the coldest is July (6.1 °C). Rainfall peaks in January.
Maseru averages 57 frost days, 17 hot days (≥ 30 °C) and 111 rainy days per year.
Maseru 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 39.3 °C (on 6 January 2016) and the coldest -9.6 °C (on 3 July 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
MaseruMaseru District
- coords
- -29.32°, 27.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.1°C
Average daily high
21.7°C
Average daily low
7.5°C
Annual rainfall
962mm
Sunshine / day
10.9h
Mean relative humidity
63%
Average peak wind
14.8km/h
Seasonal range
13.9°C
Frost days (< 0 °C)
57 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
111 d/yr
Annual snowfall
0.9 cm
Average feels-like high
20.6 °C
Average feels-like low
5.3 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
39.3 °C
6 January 2016
Coldest day
-9.6 °C
3 July 1992
Wettest day
111 mm
27 January 2006
Windiest day
44.3 km/h
11 August 1957
Strongest gust
87.8 km/h
12 September 1996
Hottest feels-like
38.4 °C
5 January 2016
Coldest feels-like
-14.1 °C
3 July 1992
Snowiest day
12.7 cm
2 August 2006
Sunniest day
13.9 h
13 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 | 28.2 °C | +1.6 °C | 109 mm | -41 mm |
| Feb | 27.1 °C | +1.5 °C | 85 mm | -45 mm |
| Mar | 24.8 °C | +0.8 °C | 151 mm | +32 mm |
| Apr | 19.8 °C | -1.1 °C | 267 mm | +190 mm |
| May | 19.0 °C | +0.9 °C | 12 mm | -19 mm |
| Jun | 15.9 °C | +0.8 °C | 22 mm | +5 mm |
| Jul | 15.9 °C | +0.6 °C | 19 mm | +6 mm |
| Aug | 20.3 °C | +2.2 °C | 16 mm | -6 mm |
| Sep | 23.0 °C | +0.9 °C | 57 mm | +22 mm |
| Oct | 24.2 °C | +0.3 °C | 116 mm | +26 mm |
| Nov | 23.2 °C | -1.6 °C | 214 mm | +84 mm |
| Dec | 25.4 °C | -0.7 °C | 158 mm | +11 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 Maseru?
Maseru has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 14.1 °C and it receives 962 mm of precipitation per year.
What is the hottest day ever recorded in Maseru?
The hottest day measured in Maseru between 1940 and 2025 was 6 January 2016, reaching 39.3 °C.
What is the coldest day in Maseru?
The coldest day measured in Maseru between 1940 and 2025 was 3 July 1992, at -9.6 °C.
Does it snow in Maseru?
Almost never: Maseru sees virtually no snow, with about 57 frost days per year.
Has the climate of Maseru warmed?
Yes: Maseru warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Maseru?
The wettest day measured in Maseru between 1940 and 2025 was 27 January 2006, with 111 mm of rain in 24 hours.
What was the windiest day in Maseru?
The windiest day measured in Maseru between 1940 and 2025 was 11 August 1957, with winds reaching 44.3 km/h.
What is the warmest month in Maseru?
The warmest month in Maseru is January (20.0 °C on average); the coldest is July (6.1 °C).
How much does it rain in Maseru?
Maseru receives on average 962 mm of precipitation per year, spread over about 111 rainy days.
Is it sunny in Maseru?
Maseru 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 Maseru?
The heaviest 24-hour snowfall measured in Maseru between 1940 and 2025 was 2 August 2006, with 12.7 cm.
Are there tropical nights in Maseru?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Maseru.
What was the most extreme apparent temperature in Maseru?
In Maseru, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 5 January 2016, and the lowest was -14.1 °C on 3 July 1992.
Compare Maseru with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Maseru