Waliso climate — normals and trends
Waliso (Ethiopia) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 1,468 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 March (18.5 °C on average) and the coldest is July (14.9 °C). Rainfall peaks in September.
Waliso averages 0 frost days, 1 hot days (≥ 30 °C) and 183 rainy days per year.
Waliso has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.1 °C (on 22 March 2009) and the coldest 4.1 °C (on 8 December 2013).
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
WalisoOromiya
- coords
- 8.53°, 37.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
22.4°C
Average daily low
11.4°C
Annual rainfall
1,468mm
Sunshine / day
10.1h
Mean relative humidity
66%
Average peak wind
11.5km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
183 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.6 °C
Average feels-like low
10.1 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.82 · 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
32.1 °C
22 March 2009
Coldest day
4.1 °C
8 December 2013
Wettest day
59 mm
11 July 1999
Windiest day
30.5 km/h
26 October 1995
Strongest gust
69.8 km/h
14 March 1984
Hottest feels-like
31.7 °C
29 March 2016
Coldest feels-like
-0.3 °C
7 January 2017
Sunniest day
12.2 h
18 April 1977
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 | 24.4 °C | +0.4 °C | 1 mm | -11 mm |
| Feb | 26.3 °C | +1.4 °C | 0 mm | -28 mm |
| Mar | 25.8 °C | +0.6 °C | 96 mm | +21 mm |
| Apr | 25.6 °C | +1.1 °C | 93 mm | -22 mm |
| May | 23.6 °C | +0.2 °C | 189 mm | +20 mm |
| Jun | 22.0 °C | +1.4 °C | 130 mm | -60 mm |
| Jul | 19.9 °C | +1.2 °C | 208 mm | -39 mm |
| Aug | 19.0 °C | +0.3 °C | 234 mm | -27 mm |
| Sep | 20.3 °C | +0.5 °C | 301 mm | +33 mm |
| Oct | 22.3 °C | +0.2 °C | 70 mm | -9 mm |
| Nov | 23.7 °C | +0.5 °C | 0 mm | -19 mm |
| Dec | 23.6 °C | +0.1 °C | 4 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 Waliso?
Waliso has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 1,468 mm of precipitation per year.
What is the hottest day ever recorded in Waliso?
The hottest day measured in Waliso between 1940 and 2025 was 22 March 2009, reaching 32.1 °C.
What is the coldest day in Waliso?
The coldest day measured in Waliso between 1940 and 2025 was 8 December 2013, at 4.1 °C.
Does it snow in Waliso?
Almost never: Waliso sees virtually no snow, with about 0 frost days per year.
Has the climate of Waliso warmed?
Yes: Waliso warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Waliso?
The wettest day measured in Waliso between 1940 and 2025 was 11 July 1999, with 59 mm of rain in 24 hours.
What was the windiest day in Waliso?
The windiest day measured in Waliso between 1940 and 2025 was 26 October 1995, with winds reaching 30.5 km/h.
What is the warmest month in Waliso?
The warmest month in Waliso is March (18.5 °C on average); the coldest is July (14.9 °C).
How much does it rain in Waliso?
Waliso receives on average 1,468 mm of precipitation per year, spread over about 183 rainy days.
Is it sunny in Waliso?
Waliso gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Waliso?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Waliso.
What was the most extreme apparent temperature in Waliso?
In Waliso, between 1940 and 2025, the highest apparent temperature reached 31.7 °C on 29 March 2016, and the lowest was -0.3 °C on 7 January 2017.
Compare Waliso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Waliso