Waal climate — normals and trends
Waal (Ethiopia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 212 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 September (28.3 °C on average) and the coldest is January (25.5 °C). Rainfall peaks in October.
Waal averages 0 frost days, 341 hot days (≥ 30 °C) and 41 rainy days per year.
Waal 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 38.4 °C (on 26 March 1941) and the coldest 13.6 °C (on 19 January 1941).
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
WaalSomali
- coords
- 6.89°, 46.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.1°C
Average daily high
32.7°C
Average daily low
21.8°C
Annual rainfall
212mm
Sunshine / day
10.6h
Mean relative humidity
53%
Average peak wind
23.2km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
341 d/yr
Rainy days (≥ 1 mm)
41 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.7 °C
Average feels-like low
22.5 °C
Average peak gust
42.3 km/h
Tropical nights (≥ 20 °C)
294 d/yr
Solar radiation
21.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.52 · 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
38.4 °C
26 March 1941
Coldest day
13.6 °C
19 January 1941
Wettest day
166 mm
19 April 2024
Windiest day
46.6 km/h
12 August 1983
Strongest gust
78.5 km/h
12 August 1983
Hottest feels-like
41.2 °C
17 April 2024
Coldest feels-like
10.6 °C
19 January 1941
Sunniest day
12.0 h
19 March 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 | 32.9 °C | +0.5 °C | 0 mm | -0 mm |
| Feb | 33.8 °C | +0.4 °C | 0 mm | -1 mm |
| Mar | 35.6 °C | +1.2 °C | 1 mm | -6 mm |
| Apr | 33.8 °C | +0.3 °C | 42 mm | -13 mm |
| May | 34.8 °C | +2.2 °C | 24 mm | -29 mm |
| Jun | 33.7 °C | +1.1 °C | 1 mm | -2 mm |
| Jul | 32.8 °C | +1.0 °C | 0 mm | -3 mm |
| Aug | 32.7 °C | +0.1 °C | 1 mm | -2 mm |
| Sep | 34.9 °C | +1.2 °C | 0 mm | -7 mm |
| Oct | 33.6 °C | +2.2 °C | 13 mm | -42 mm |
| Nov | 33.5 °C | +1.7 °C | 0 mm | -24 mm |
| Dec | 32.9 °C | +0.6 °C | 0 mm | -3 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 Waal?
Waal has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 212 mm of precipitation per year.
What is the hottest day ever recorded in Waal?
The hottest day measured in Waal between 1940 and 2025 was 26 March 1941, reaching 38.4 °C.
What is the coldest day in Waal?
The coldest day measured in Waal between 1940 and 2025 was 19 January 1941, at 13.6 °C.
Does it snow in Waal?
Almost never: Waal sees virtually no snow, with about 0 frost days per year.
Has the climate of Waal warmed?
Yes: Waal warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Waal?
The wettest day measured in Waal between 1940 and 2025 was 19 April 2024, with 166 mm of rain in 24 hours.
What was the windiest day in Waal?
The windiest day measured in Waal between 1940 and 2025 was 12 August 1983, with winds reaching 46.6 km/h.
What is the warmest month in Waal?
The warmest month in Waal is September (28.3 °C on average); the coldest is January (25.5 °C).
How much does it rain in Waal?
Waal receives on average 212 mm of precipitation per year, spread over about 41 rainy days.
Is it sunny in Waal?
Waal gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Waal?
Yes: Waal has on average 294 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Waal?
In Waal, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 17 April 2024, and the lowest was 10.6 °C on 19 January 1941.
Compare Waal with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Waal