Kiomboi climate — normals and trends
Kiomboi (Tanzania) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.0 °C and it receives 996 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 October (25.3 °C on average) and the coldest is July (22.1 °C). Rainfall peaks in December.
Kiomboi averages 0 frost days, 119 hot days (≥ 30 °C) and 114 rainy days per year.
Kiomboi has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.0 °C (on 16 November 2005) and the coldest 11.3 °C (on 9 July 2008).
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
KiomboiSingida
- coords
- -4.27°, 34.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.0°C
Average daily high
28.8°C
Average daily low
17.8°C
Annual rainfall
996mm
Sunshine / day
11.2h
Mean relative humidity
59%
Average peak wind
13.1km/h
Seasonal range
3.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
119 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.4 °C
Average feels-like low
18.0 °C
Average peak gust
30.7 km/h
Tropical nights (≥ 20 °C)
25 d/yr
Solar radiation
22.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.42 · 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
36.0 °C
16 November 2005
Coldest day
11.3 °C
9 July 2008
Wettest day
108 mm
23 November 1974
Windiest day
28.5 km/h
12 May 2007
Strongest gust
60.5 km/h
22 April 1984
Hottest feels-like
37.7 °C
24 February 2005
Coldest feels-like
8.7 °C
11 July 1944
Sunniest day
12.2 h
9 December 2025
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 | 28.2 °C | +0.9 °C | 86 mm | -73 mm |
| Feb | 30.0 °C | +2.2 °C | 74 mm | -66 mm |
| Mar | 29.2 °C | +1.2 °C | 178 mm | -3 mm |
| Apr | 28.7 °C | +1.2 °C | 99 mm | -54 mm |
| May | 28.8 °C | +0.8 °C | 18 mm | -9 mm |
| Jun | 28.7 °C | +0.2 °C | 1 mm | -1 mm |
| Jul | 28.3 °C | -0.1 °C | 0 mm | -0 mm |
| Aug | 29.5 °C | -0.1 °C | 0 mm | -1 mm |
| Sep | 32.0 °C | +0.9 °C | 0 mm | -3 mm |
| Oct | 32.4 °C | +0.5 °C | 11 mm | -9 mm |
| Nov | 33.2 °C | +3.3 °C | 16 mm | -106 mm |
| Dec | 29.3 °C | +1.7 °C | 157 mm | -34 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 Kiomboi?
Kiomboi has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.0 °C and it receives 996 mm of precipitation per year.
What is the hottest day ever recorded in Kiomboi?
The hottest day measured in Kiomboi between 1940 and 2025 was 16 November 2005, reaching 36.0 °C.
What is the coldest day in Kiomboi?
The coldest day measured in Kiomboi between 1940 and 2025 was 9 July 2008, at 11.3 °C.
Does it snow in Kiomboi?
Almost never: Kiomboi sees virtually no snow, with about 0 frost days per year.
Has the climate of Kiomboi warmed?
Yes: Kiomboi warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kiomboi?
The wettest day measured in Kiomboi between 1940 and 2025 was 23 November 1974, with 108 mm of rain in 24 hours.
What was the windiest day in Kiomboi?
The windiest day measured in Kiomboi between 1940 and 2025 was 12 May 2007, with winds reaching 28.5 km/h.
What is the warmest month in Kiomboi?
The warmest month in Kiomboi is October (25.3 °C on average); the coldest is July (22.1 °C).
How much does it rain in Kiomboi?
Kiomboi receives on average 996 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Kiomboi?
Kiomboi gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Kiomboi?
Yes: Kiomboi has on average 25 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kiomboi?
In Kiomboi, between 1940 and 2025, the highest apparent temperature reached 37.7 °C on 24 February 2005, and the lowest was 8.7 °C on 11 July 1944.
Compare Kiomboi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kiomboi