Iriba climate — normals and trends
Iriba (Chad) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 23.8 °C and it receives 235 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 May (28.9 °C on average) and the coldest is January (16.9 °C). Rainfall peaks in August.
Iriba averages 0 frost days, 240 hot days (≥ 30 °C) and 34 rainy days per year.
Iriba has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.5 °C (on 28 May 2024) and the coldest 2.2 °C (on 17 January 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
IribaWadi Fira Region
- coords
- 15.12°, 22.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.8°C
Average daily high
31.5°C
Average daily low
17.4°C
Annual rainfall
235mm
Sunshine / day
11.4h
Mean relative humidity
31%
Average peak wind
19.4km/h
Seasonal range
12.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
240 d/yr
Rainy days (≥ 1 mm)
34 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.8 °C
Average feels-like low
14.4 °C
Average peak gust
39.1 km/h
Tropical nights (≥ 20 °C)
149 d/yr
Solar radiation
24.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.63 · 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
41.5 °C
28 May 2024
Coldest day
2.2 °C
17 January 1968
Wettest day
117 mm
17 July 1950
Windiest day
39.6 km/h
14 June 1967
Strongest gust
72.4 km/h
23 April 1967
Hottest feels-like
41.9 °C
17 May 1951
Coldest feels-like
-4.3 °C
4 January 1992
Sunniest day
12.9 h
21 June 2025
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 | 25.9 °C | +0.3 °C | 0 mm | -0 mm |
| Feb | 29.2 °C | +1.2 °C | 0 mm | 0 mm |
| Mar | 32.3 °C | +0.7 °C | 0 mm | -0 mm |
| Apr | 35.7 °C | +0.8 °C | 0 mm | -0 mm |
| May | 37.5 °C | +1.2 °C | 0 mm | -3 mm |
| Jun | 37.3 °C | +1.3 °C | 0 mm | -8 mm |
| Jul | 33.7 °C | +0.8 °C | 36 mm | -46 mm |
| Aug | 31.2 °C | +0.5 °C | 106 mm | -16 mm |
| Sep | 33.9 °C | +0.2 °C | 19 mm | +3 mm |
| Oct | 33.9 °C | +1.0 °C | 0 mm | -2 mm |
| Nov | 30.9 °C | +2.0 °C | 0 mm | -0 mm |
| Dec | 28.7 °C | +2.6 °C | 0 mm | 0 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 Iriba?
Iriba has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 23.8 °C and it receives 235 mm of precipitation per year.
What is the hottest day ever recorded in Iriba?
The hottest day measured in Iriba between 1940 and 2025 was 28 May 2024, reaching 41.5 °C.
What is the coldest day in Iriba?
The coldest day measured in Iriba between 1940 and 2025 was 17 January 1968, at 2.2 °C.
Does it snow in Iriba?
Almost never: Iriba sees virtually no snow, with about 0 frost days per year.
Has the climate of Iriba warmed?
Yes: Iriba warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Iriba?
The wettest day measured in Iriba between 1940 and 2025 was 17 July 1950, with 117 mm of rain in 24 hours.
What was the windiest day in Iriba?
The windiest day measured in Iriba between 1940 and 2025 was 14 June 1967, with winds reaching 39.6 km/h.
What is the warmest month in Iriba?
The warmest month in Iriba is May (28.9 °C on average); the coldest is January (16.9 °C).
How much does it rain in Iriba?
Iriba receives on average 235 mm of precipitation per year, spread over about 34 rainy days.
Is it sunny in Iriba?
Iriba gets on average 11.4 hours of sunshine per day, roughly 4,161 hours per year over 1940-2025.
Are there tropical nights in Iriba?
Yes: Iriba has on average 149 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Iriba?
In Iriba, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 17 May 1951, and the lowest was -4.3 °C on 4 January 1992.
Compare Iriba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Iriba