Ruaha climate — normals and trends
Ruaha has a tropical savanna climate, averaging 23.4 °C annually with 1,209 mm of rain per year.
Climate normals · ERA5
RuahaMorogoro
- coords
- -7.66°, 36.98°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
23.4°C
Average daily high
28.2°C
Average daily low
19.3°C
Annual rainfall
1,209mm
Sunshine / day
10.8h
Mean relative humidity
73%
Average peak wind
9.4km/h
Seasonal range
4.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
89 d/yr
Rainy days (≥ 1 mm)
167 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.1 °C
Average feels-like low
21.5 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
170 d/yr
Solar radiation
19.4 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.41 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
36.9 °C
22 January 1958
Coldest day
11.3 °C
27 July 1975
Wettest day
114 mm
17 February 1941
Windiest day
24.8 km/h
13 April 1941
Strongest gust
56.2 km/h
21 June 1987
Hottest feels-like
40.8 °C
22 January 1958
Coldest feels-like
8.6 °C
27 July 1975
Sunniest day
12.4 h
25 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 32.4 °C | +2.5 °C | 97 mm | -110 mm |
| Feb | 32.5 °C | +2.8 °C | 85 mm | -117 mm |
| Mar | 29.9 °C | +1.3 °C | 254 mm | +37 mm |
| Apr | 27.6 °C | +0.6 °C | 261 mm | +72 mm |
| May | 26.5 °C | +0.4 °C | 78 mm | -5 mm |
| Jun | 25.9 °C | +0.2 °C | 20 mm | -2 mm |
| Jul | 25.9 °C | +0.1 °C | 12 mm | -7 mm |
| Aug | 26.7 °C | +0.1 °C | 9 mm | -10 mm |
| Sep | 29.5 °C | +1.2 °C | 8 mm | -9 mm |
| Oct | 30.4 °C | +0.6 °C | 27 mm | -10 mm |
| Nov | 32.3 °C | +1.6 °C | 33 mm | -31 mm |
| Dec | 32.1 °C | +1.4 °C | 128 mm | -6 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Ruaha (Tanzania) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.4 °C and it receives 1,209 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 December (25.5 °C on average) and the coldest is July (20.8 °C). Rainfall peaks in March.
Ruaha averages 0 frost days, 89 hot days (≥ 30 °C) and 167 rainy days per year.
Ruaha has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.9 °C (on 22 January 1958) and the coldest 11.3 °C (on 27 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.
Compare Ruaha with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ruaha
Other cities — Tanzania
Frequently asked questions
What is the climate of Ruaha?
Ruaha has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.4 °C and it receives 1,209 mm of precipitation per year.
What is the hottest day ever recorded in Ruaha?
The hottest day measured in Ruaha between 1940 and 2025 was 22 January 1958, reaching 36.9 °C.
What is the coldest day in Ruaha?
The coldest day measured in Ruaha between 1940 and 2025 was 27 July 1975, at 11.3 °C.
Does it snow in Ruaha?
Almost never: Ruaha sees virtually no snow, with about 0 frost days per year.
Has the climate of Ruaha warmed?
Yes: Ruaha warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ruaha?
The wettest day measured in Ruaha between 1940 and 2025 was 17 February 1941, with 114 mm of rain in 24 hours.
What was the windiest day in Ruaha?
The windiest day measured in Ruaha between 1940 and 2025 was 13 April 1941, with winds reaching 24.8 km/h.
What is the warmest month in Ruaha?
The warmest month in Ruaha is December (25.5 °C on average); the coldest is July (20.8 °C).
How much does it rain in Ruaha?
Ruaha receives on average 1,209 mm of precipitation per year, spread over about 167 rainy days.
Is it sunny in Ruaha?
Ruaha gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Ruaha?
Yes: Ruaha has on average 170 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ruaha?
In Ruaha, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 22 January 1958, and the lowest was 8.6 °C on 27 July 1975.
These forecasts and records come from our own weather API. Developer documentation →