Ilula climate — normals and trends
Ilula (Tanzania) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 16.6 °C and it receives 1,143 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 (18.4 °C on average) and the coldest is July (13.5 °C). Rainfall peaks in January.
Ilula averages 0 frost days, 0 hot days (≥ 30 °C) and 152 rainy days per year.
Ilula 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 28.9 °C (on 22 December 1998) and the coldest 4.6 °C (on 24 June 1968).
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
IlulaIringa
- coords
- -7.68°, 36.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.6°C
Average daily high
21.7°C
Average daily low
12.6°C
Annual rainfall
1,143mm
Sunshine / day
10.9h
Mean relative humidity
80%
Average peak wind
15.3km/h
Seasonal range
4.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.3 °C
Average feels-like low
12.2 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.62 · 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
28.9 °C
22 December 1998
Coldest day
4.6 °C
24 June 1968
Wettest day
173 mm
13 February 1973
Windiest day
34.3 km/h
13 March 1941
Strongest gust
81.0 km/h
13 March 1941
Hottest feels-like
33.0 °C
16 March 2020
Coldest feels-like
1.7 °C
24 June 1968
Sunniest day
12.5 h
17 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 | 23.5 °C | +0.7 °C | 182 mm | -96 mm |
| Feb | 24.2 °C | +1.3 °C | 202 mm | -52 mm |
| Mar | 22.8 °C | +0.4 °C | 216 mm | +11 mm |
| Apr | 22.0 °C | +0.8 °C | 82 mm | -3 mm |
| May | 20.5 °C | +0.3 °C | 28 mm | +4 mm |
| Jun | 19.7 °C | +0.4 °C | 6 mm | +1 mm |
| Jul | 18.8 °C | -0.1 °C | 3 mm | -1 mm |
| Aug | 20.0 °C | +0.1 °C | 1 mm | -3 mm |
| Sep | 22.7 °C | +1.0 °C | 2 mm | -3 mm |
| Oct | 23.9 °C | +0.6 °C | 8 mm | -10 mm |
| Nov | 24.9 °C | +1.0 °C | 44 mm | -18 mm |
| Dec | 24.7 °C | +1.4 °C | 160 mm | -40 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 Ilula?
Ilula has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 16.6 °C and it receives 1,143 mm of precipitation per year.
What is the hottest day ever recorded in Ilula?
The hottest day measured in Ilula between 1940 and 2025 was 22 December 1998, reaching 28.9 °C.
What is the coldest day in Ilula?
The coldest day measured in Ilula between 1940 and 2025 was 24 June 1968, at 4.6 °C.
Does it snow in Ilula?
Almost never: Ilula sees virtually no snow, with about 0 frost days per year.
Has the climate of Ilula warmed?
Yes: Ilula warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ilula?
The wettest day measured in Ilula between 1940 and 2025 was 13 February 1973, with 173 mm of rain in 24 hours.
What was the windiest day in Ilula?
The windiest day measured in Ilula between 1940 and 2025 was 13 March 1941, with winds reaching 34.3 km/h.
What is the warmest month in Ilula?
The warmest month in Ilula is December (18.4 °C on average); the coldest is July (13.5 °C).
How much does it rain in Ilula?
Ilula receives on average 1,143 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Ilula?
Ilula gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Ilula?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ilula.
What was the most extreme apparent temperature in Ilula?
In Ilula, between 1940 and 2025, the highest apparent temperature reached 33.0 °C on 16 March 2020, and the lowest was 1.7 °C on 24 June 1968.
Compare Ilula with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ilula