Ikwiriri climate — normals and trends
Ikwiriri (Tanzania) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 1,039 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 January (27.1 °C on average) and the coldest is July (24.1 °C). Rainfall peaks in April.
Ikwiriri averages 0 frost days, 235 hot days (≥ 30 °C) and 163 rainy days per year.
Ikwiriri has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.6 °C (on 25 March 1941) and the coldest 15.6 °C (on 9 August 1992).
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
IkwiririPwani
- coords
- -7.96°, 38.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
30.7°C
Average daily low
22.1°C
Annual rainfall
1,039mm
Sunshine / day
10.7h
Mean relative humidity
79%
Average peak wind
13.4km/h
Seasonal range
3.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
235 d/yr
Rainy days (≥ 1 mm)
163 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.7 °C
Average feels-like low
25.8 °C
Average peak gust
33.4 km/h
Tropical nights (≥ 20 °C)
319 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.58 · 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
38.6 °C
25 March 1941
Coldest day
15.6 °C
9 August 1992
Wettest day
166 mm
4 May 2024
Windiest day
27.1 km/h
25 March 1941
Strongest gust
60.8 km/h
17 February 1991
Hottest feels-like
44.2 °C
24 February 1944
Coldest feels-like
14.6 °C
7 June 1963
Sunniest day
12.5 h
3 January 1940
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 | 34.0 °C | +2.1 °C | 68 mm | -76 mm |
| Feb | 34.1 °C | +2.0 °C | 43 mm | -77 mm |
| Mar | 32.3 °C | +1.1 °C | 190 mm | +4 mm |
| Apr | 29.6 °C | +0.1 °C | 312 mm | +115 mm |
| May | 29.7 °C | +0.3 °C | 159 mm | +90 mm |
| Jun | 29.4 °C | -0.1 °C | 21 mm | +8 mm |
| Jul | 29.6 °C | +0.2 °C | 10 mm | +2 mm |
| Aug | 29.7 °C | 0.0 °C | 14 mm | +3 mm |
| Sep | 30.7 °C | +0.2 °C | 17 mm | +2 mm |
| Oct | 31.0 °C | -0.3 °C | 47 mm | +7 mm |
| Nov | 32.5 °C | +0.7 °C | 54 mm | -33 mm |
| Dec | 32.6 °C | +0.7 °C | 139 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 Ikwiriri?
Ikwiriri has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 1,039 mm of precipitation per year.
What is the hottest day ever recorded in Ikwiriri?
The hottest day measured in Ikwiriri between 1940 and 2025 was 25 March 1941, reaching 38.6 °C.
What is the coldest day in Ikwiriri?
The coldest day measured in Ikwiriri between 1940 and 2025 was 9 August 1992, at 15.6 °C.
Does it snow in Ikwiriri?
Almost never: Ikwiriri sees virtually no snow, with about 0 frost days per year.
Has the climate of Ikwiriri warmed?
Yes: Ikwiriri warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ikwiriri?
The wettest day measured in Ikwiriri between 1940 and 2025 was 4 May 2024, with 166 mm of rain in 24 hours.
What was the windiest day in Ikwiriri?
The windiest day measured in Ikwiriri between 1940 and 2025 was 25 March 1941, with winds reaching 27.1 km/h.
What is the warmest month in Ikwiriri?
The warmest month in Ikwiriri is January (27.1 °C on average); the coldest is July (24.1 °C).
How much does it rain in Ikwiriri?
Ikwiriri receives on average 1,039 mm of precipitation per year, spread over about 163 rainy days.
Is it sunny in Ikwiriri?
Ikwiriri gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Ikwiriri?
Yes: Ikwiriri has on average 319 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ikwiriri?
In Ikwiriri, between 1940 and 2025, the highest apparent temperature reached 44.2 °C on 24 February 1944, and the lowest was 14.6 °C on 7 June 1963.
Compare Ikwiriri with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ikwiriri