Tulu Bolo climate — normals and trends
Tulu Bolo (Ethiopia) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 939 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 April (18.0 °C on average) and the coldest is August (15.0 °C). Rainfall peaks in August.
Tulu Bolo averages 0 frost days, 0 hot days (≥ 30 °C) and 155 rainy days per year.
Tulu Bolo has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.0 °C (on 22 March 2009) and the coldest 1.8 °C (on 7 January 2017).
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
Tulu BoloOromiya
- coords
- 8.67°, 38.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
22.6°C
Average daily low
10.8°C
Annual rainfall
939mm
Sunshine / day
10.4h
Mean relative humidity
64%
Average peak wind
12.9km/h
Seasonal range
3.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.3 °C
Average feels-like low
9.8 °C
Average peak gust
32.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °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
31.0 °C
22 March 2009
Coldest day
1.8 °C
7 January 2017
Wettest day
112 mm
16 April 1952
Windiest day
31.7 km/h
26 November 1942
Strongest gust
68.4 km/h
6 May 1999
Hottest feels-like
31.2 °C
29 March 2016
Coldest feels-like
-1.9 °C
7 January 2017
Sunniest day
12.2 h
8 May 1941
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 | 24.1 °C | +0.6 °C | 0 mm | -8 mm |
| Feb | 26.0 °C | +1.6 °C | 0 mm | -19 mm |
| Mar | 25.9 °C | +1.0 °C | 52 mm | +2 mm |
| Apr | 26.4 °C | +1.8 °C | 43 mm | -35 mm |
| May | 24.6 °C | +0.4 °C | 148 mm | +54 mm |
| Jun | 24.0 °C | +1.8 °C | 92 mm | -22 mm |
| Jul | 21.2 °C | +1.3 °C | 145 mm | -30 mm |
| Aug | 19.9 °C | +0.2 °C | 185 mm | -3 mm |
| Sep | 21.0 °C | +0.4 °C | 224 mm | +62 mm |
| Oct | 22.2 °C | +0.1 °C | 21 mm | -18 mm |
| Nov | 23.4 °C | +0.6 °C | 0 mm | -8 mm |
| Dec | 23.4 °C | +0.6 °C | 1 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 Tulu Bolo?
Tulu Bolo has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 939 mm of precipitation per year.
What is the hottest day ever recorded in Tulu Bolo?
The hottest day measured in Tulu Bolo between 1940 and 2025 was 22 March 2009, reaching 31.0 °C.
What is the coldest day in Tulu Bolo?
The coldest day measured in Tulu Bolo between 1940 and 2025 was 7 January 2017, at 1.8 °C.
Does it snow in Tulu Bolo?
Almost never: Tulu Bolo sees virtually no snow, with about 0 frost days per year.
Has the climate of Tulu Bolo warmed?
Yes: Tulu Bolo warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tulu Bolo?
The wettest day measured in Tulu Bolo between 1940 and 2025 was 16 April 1952, with 112 mm of rain in 24 hours.
What was the windiest day in Tulu Bolo?
The windiest day measured in Tulu Bolo between 1940 and 2025 was 26 November 1942, with winds reaching 31.7 km/h.
What is the warmest month in Tulu Bolo?
The warmest month in Tulu Bolo is April (18.0 °C on average); the coldest is August (15.0 °C).
How much does it rain in Tulu Bolo?
Tulu Bolo receives on average 939 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Tulu Bolo?
Tulu Bolo gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Tulu Bolo?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tulu Bolo.
What was the most extreme apparent temperature in Tulu Bolo?
In Tulu Bolo, between 1940 and 2025, the highest apparent temperature reached 31.2 °C on 29 March 2016, and the lowest was -1.9 °C on 7 January 2017.
Compare Tulu Bolo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tulu Bolo