Tetu climate — normals and trends
Tetu (Kenya) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 1,537 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 (16.2 °C on average) and the coldest is July (13.5 °C). Rainfall peaks in April.
Tetu averages 0 frost days, 0 hot days (≥ 30 °C) and 238 rainy days per year.
Tetu has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 27.6 °C (on 25 February 2005) and the coldest 4.2 °C (on 28 July 1963).
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
TetuNyeri County
- coords
- -0.43°, 36.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.0°C
Average daily high
20.0°C
Average daily low
11.0°C
Annual rainfall
1,537mm
Sunshine / day
10.4h
Mean relative humidity
83%
Average peak wind
10.4km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
238 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.0 °C
Average feels-like low
10.5 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.72 · 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
27.6 °C
25 February 2005
Coldest day
4.2 °C
28 July 1963
Wettest day
98 mm
3 April 1990
Windiest day
19.2 km/h
12 August 1946
Strongest gust
62.6 km/h
11 February 1963
Hottest feels-like
31.3 °C
25 February 2005
Coldest feels-like
0.5 °C
2 January 2012
Sunniest day
12.0 h
21 December 1969
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 | 21.9 °C | +0.4 °C | 116 mm | +6 mm |
| Feb | 23.1 °C | +0.7 °C | 34 mm | -65 mm |
| Mar | 22.2 °C | +0.1 °C | 184 mm | +37 mm |
| Apr | 21.3 °C | +0.7 °C | 299 mm | +72 mm |
| May | 20.4 °C | +0.9 °C | 96 mm | -80 mm |
| Jun | 19.1 °C | +0.6 °C | 49 mm | -34 mm |
| Jul | 18.0 °C | +0.4 °C | 51 mm | -15 mm |
| Aug | 17.7 °C | -0.3 °C | 103 mm | +38 mm |
| Sep | 20.4 °C | +0.8 °C | 104 mm | +51 mm |
| Oct | 20.4 °C | +0.3 °C | 201 mm | +84 mm |
| Nov | 20.1 °C | +0.6 °C | 95 mm | -110 mm |
| Dec | 20.9 °C | +0.7 °C | 201 mm | +13 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 Tetu?
Tetu has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 1,537 mm of precipitation per year.
What is the hottest day ever recorded in Tetu?
The hottest day measured in Tetu between 1940 and 2025 was 25 February 2005, reaching 27.6 °C.
What is the coldest day in Tetu?
The coldest day measured in Tetu between 1940 and 2025 was 28 July 1963, at 4.2 °C.
Does it snow in Tetu?
Almost never: Tetu sees virtually no snow, with about 0 frost days per year.
Has the climate of Tetu warmed?
Yes: Tetu warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tetu?
The wettest day measured in Tetu between 1940 and 2025 was 3 April 1990, with 98 mm of rain in 24 hours.
What was the windiest day in Tetu?
The windiest day measured in Tetu between 1940 and 2025 was 12 August 1946, with winds reaching 19.2 km/h.
What is the warmest month in Tetu?
The warmest month in Tetu is March (16.2 °C on average); the coldest is July (13.5 °C).
How much does it rain in Tetu?
Tetu receives on average 1,537 mm of precipitation per year, spread over about 238 rainy days.
Is it sunny in Tetu?
Tetu gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Tetu?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Tetu.
What was the most extreme apparent temperature in Tetu?
In Tetu, between 1940 and 2025, the highest apparent temperature reached 31.3 °C on 25 February 2005, and the lowest was 0.5 °C on 2 January 2012.
Compare Tetu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tetu