Mtwango climate — normals and trends
Mtwango (Tanzania) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 17.4 °C and it receives 939 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 (19.2 °C on average) and the coldest is July (14.7 °C). Rainfall peaks in January.
Mtwango averages 0 frost days, 0 hot days (≥ 30 °C) and 132 rainy days per year.
Mtwango has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.3 °C (on 17 October 2017) and the coldest 5.1 °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
MtwangoNjombe
- coords
- -9.02°, 34.80°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.4°C
Average daily high
22.6°C
Average daily low
13.4°C
Annual rainfall
939mm
Sunshine / day
10.8h
Mean relative humidity
73%
Average peak wind
17.0km/h
Seasonal range
4.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.6 °C
Average feels-like low
12.3 °C
Average peak gust
39.6 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
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.67 · 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
31.3 °C
17 October 2017
Coldest day
5.1 °C
26 July 1975
Wettest day
108 mm
4 April 2016
Windiest day
32.7 km/h
11 August 2010
Strongest gust
69.5 km/h
11 August 2010
Hottest feels-like
32.8 °C
17 October 2017
Coldest feels-like
1.1 °C
24 June 1968
Sunniest day
12.5 h
9 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 23.8 °C | +0.8 °C | 195 mm | -31 mm |
| Feb | 25.0 °C | +1.8 °C | 135 mm | -71 mm |
| Mar | 23.3 °C | +0.5 °C | 184 mm | -8 mm |
| Apr | 22.8 °C | +0.7 °C | 37 mm | -36 mm |
| May | 22.1 °C | +0.6 °C | 13 mm | +0 mm |
| Jun | 21.9 °C | +1.2 °C | 1 mm | -0 mm |
| Jul | 20.8 °C | +0.6 °C | 0 mm | -1 mm |
| Aug | 22.6 °C | +1.2 °C | 0 mm | -1 mm |
| Sep | 25.2 °C | +2.0 °C | 1 mm | -2 mm |
| Oct | 26.1 °C | +1.4 °C | 6 mm | -8 mm |
| Nov | 26.1 °C | +1.2 °C | 52 mm | -1 mm |
| Dec | 24.9 °C | +1.2 °C | 160 mm | +4 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 Mtwango?
Mtwango has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 17.4 °C and it receives 939 mm of precipitation per year.
What is the hottest day ever recorded in Mtwango?
The hottest day measured in Mtwango between 1940 and 2025 was 17 October 2017, reaching 31.3 °C.
What is the coldest day in Mtwango?
The coldest day measured in Mtwango between 1940 and 2025 was 26 July 1975, at 5.1 °C.
Does it snow in Mtwango?
Almost never: Mtwango sees virtually no snow, with about 0 frost days per year.
Has the climate of Mtwango warmed?
Yes: Mtwango warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mtwango?
The wettest day measured in Mtwango between 1940 and 2025 was 4 April 2016, with 108 mm of rain in 24 hours.
What was the windiest day in Mtwango?
The windiest day measured in Mtwango between 1940 and 2025 was 11 August 2010, with winds reaching 32.7 km/h.
What is the warmest month in Mtwango?
The warmest month in Mtwango is November (19.2 °C on average); the coldest is July (14.7 °C).
How much does it rain in Mtwango?
Mtwango receives on average 939 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Mtwango?
Mtwango gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Mtwango?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mtwango.
What was the most extreme apparent temperature in Mtwango?
In Mtwango, between 1940 and 2025, the highest apparent temperature reached 32.8 °C on 17 October 2017, and the lowest was 1.1 °C on 24 June 1968.
Compare Mtwango with another city
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Nearby cities
The climate around Mtwango