Mahanje climate — normals and trends
Mahanje (Tanzania) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 21.2 °C and it receives 1,250 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 November (24.2 °C on average) and the coldest is July (17.8 °C). Rainfall peaks in January.
Mahanje averages 0 frost days, 45 hot days (≥ 30 °C) and 143 rainy days per year.
Mahanje has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.5 °C (on 24 November 2021) and the coldest 6.2 °C (on 26 July 1975).
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
MahanjeRuvuma
- coords
- -9.93°, 35.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.2°C
Average daily high
26.6°C
Average daily low
16.7°C
Annual rainfall
1,250mm
Sunshine / day
10.2h
Mean relative humidity
71%
Average peak wind
10.9km/h
Seasonal range
6.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
45 d/yr
Rainy days (≥ 1 mm)
143 d/yr
Annual snowfall
0.0 cm
Average feels-like high
28.3 °C
Average feels-like low
17.7 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
31 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.54 · 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
35.5 °C
24 November 2021
Coldest day
6.2 °C
26 July 1975
Wettest day
104 mm
30 November 2024
Windiest day
21.9 km/h
15 October 1977
Strongest gust
60.1 km/h
29 December 1948
Hottest feels-like
38.5 °C
19 November 2000
Coldest feels-like
4.1 °C
26 July 1975
Sunniest day
12.6 h
3 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 | 28.3 °C | +0.9 °C | 210 mm | -69 mm |
| Feb | 29.5 °C | +2.2 °C | 157 mm | -100 mm |
| Mar | 27.5 °C | +0.7 °C | 320 mm | +78 mm |
| Apr | 26.3 °C | +0.8 °C | 173 mm | +17 mm |
| May | 24.4 °C | 0.0 °C | 94 mm | +57 mm |
| Jun | 24.1 °C | +0.5 °C | 4 mm | -2 mm |
| Jul | 23.3 °C | -0.2 °C | 4 mm | -0 mm |
| Aug | 25.3 °C | +0.3 °C | 0 mm | -4 mm |
| Sep | 28.8 °C | +1.5 °C | 1 mm | -4 mm |
| Oct | 29.9 °C | +0.5 °C | 5 mm | -8 mm |
| Nov | 31.0 °C | +0.9 °C | 67 mm | +7 mm |
| Dec | 30.1 °C | +1.5 °C | 236 mm | +48 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 Mahanje?
Mahanje has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,250 mm of precipitation per year.
What is the hottest day ever recorded in Mahanje?
The hottest day measured in Mahanje between 1940 and 2025 was 24 November 2021, reaching 35.5 °C.
What is the coldest day in Mahanje?
The coldest day measured in Mahanje between 1940 and 2025 was 26 July 1975, at 6.2 °C.
Does it snow in Mahanje?
Almost never: Mahanje sees virtually no snow, with about 0 frost days per year.
Has the climate of Mahanje warmed?
Yes: Mahanje warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mahanje?
The wettest day measured in Mahanje between 1940 and 2025 was 30 November 2024, with 104 mm of rain in 24 hours.
What was the windiest day in Mahanje?
The windiest day measured in Mahanje between 1940 and 2025 was 15 October 1977, with winds reaching 21.9 km/h.
What is the warmest month in Mahanje?
The warmest month in Mahanje is November (24.2 °C on average); the coldest is July (17.8 °C).
How much does it rain in Mahanje?
Mahanje receives on average 1,250 mm of precipitation per year, spread over about 143 rainy days.
Is it sunny in Mahanje?
Mahanje gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Mahanje?
Yes: Mahanje has on average 31 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mahanje?
In Mahanje, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 19 November 2000, and the lowest was 4.1 °C on 26 July 1975.
Compare Mahanje with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mahanje