T’īs Isat climate — normals and trends
T’īs Isat (Ethiopia) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 19.0 °C and it receives 1,863 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 (21.6 °C on average) and the coldest is August (17.0 °C). Rainfall peaks in August.
T’īs Isat averages 0 frost days, 4 hot days (≥ 30 °C) and 167 rainy days per year.
T’īs Isat has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.2 °C (on 12 April 2024) and the coldest 7.6 °C (on 10 December 1946).
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
T’īs IsatAmhara
- coords
- 11.48°, 37.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.0°C
Average daily high
24.0°C
Average daily low
14.5°C
Annual rainfall
1,863mm
Sunshine / day
10.3h
Mean relative humidity
65%
Average peak wind
12.5km/h
Seasonal range
4.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
167 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.0 °C
Average feels-like low
14.1 °C
Average peak gust
27.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.84 · 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
32.2 °C
12 April 2024
Coldest day
7.6 °C
10 December 1946
Wettest day
100 mm
3 August 1968
Windiest day
25.3 km/h
23 June 1968
Strongest gust
55.8 km/h
25 April 1989
Hottest feels-like
33.9 °C
12 April 2024
Coldest feels-like
4.3 °C
27 November 1942
Sunniest day
12.5 h
15 May 1956
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 | 26.2 °C | +1.3 °C | 0 mm | -6 mm |
| Feb | 27.5 °C | +1.3 °C | 3 mm | -6 mm |
| Mar | 28.6 °C | +1.5 °C | 3 mm | -20 mm |
| Apr | 27.7 °C | +0.5 °C | 27 mm | -13 mm |
| May | 27.0 °C | +1.4 °C | 40 mm | -83 mm |
| Jun | 25.2 °C | +2.0 °C | 97 mm | -185 mm |
| Jul | 21.9 °C | +1.0 °C | 521 mm | +26 mm |
| Aug | 20.7 °C | -0.1 °C | 524 mm | +16 mm |
| Sep | 22.6 °C | +0.7 °C | 354 mm | +86 mm |
| Oct | 23.1 °C | 0.0 °C | 63 mm | -12 mm |
| Nov | 24.2 °C | +0.7 °C | 1 mm | -24 mm |
| Dec | 25.0 °C | +1.0 °C | 0 mm | -8 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 T’īs Isat?
T’īs Isat has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 19.0 °C and it receives 1,863 mm of precipitation per year.
What is the hottest day ever recorded in T’īs Isat?
The hottest day measured in T’īs Isat between 1940 and 2025 was 12 April 2024, reaching 32.2 °C.
What is the coldest day in T’īs Isat?
The coldest day measured in T’īs Isat between 1940 and 2025 was 10 December 1946, at 7.6 °C.
Does it snow in T’īs Isat?
Almost never: T’īs Isat sees virtually no snow, with about 0 frost days per year.
Has the climate of T’īs Isat warmed?
Yes: T’īs Isat warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in T’īs Isat?
The wettest day measured in T’īs Isat between 1940 and 2025 was 3 August 1968, with 100 mm of rain in 24 hours.
What was the windiest day in T’īs Isat?
The windiest day measured in T’īs Isat between 1940 and 2025 was 23 June 1968, with winds reaching 25.3 km/h.
What is the warmest month in T’īs Isat?
The warmest month in T’īs Isat is April (21.6 °C on average); the coldest is August (17.0 °C).
How much does it rain in T’īs Isat?
T’īs Isat receives on average 1,863 mm of precipitation per year, spread over about 167 rainy days.
Is it sunny in T’īs Isat?
T’īs Isat gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in T’īs Isat?
Yes: T’īs Isat has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in T’īs Isat?
In T’īs Isat, between 1940 and 2025, the highest apparent temperature reached 33.9 °C on 12 April 2024, and the lowest was 4.3 °C on 27 November 1942.
Compare T’īs Isat with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around T’īs Isat