Nioko I climate — normals and trends
Nioko I (Burkina Faso) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.0 °C and it receives 585 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 (32.5 °C on average) and the coldest is January (24.3 °C). Rainfall peaks in August.
Nioko I averages 0 frost days, 323 hot days (≥ 30 °C) and 90 rainy days per year.
Nioko I has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.6 °C (on 16 April 2016) and the coldest 10.6 °C (on 14 January 1957).
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
Nioko ICentre Region
- coords
- 12.40°, -1.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.0°C
Average daily high
34.2°C
Average daily low
22.4°C
Annual rainfall
585mm
Sunshine / day
11.0h
Mean relative humidity
47%
Average peak wind
13.4km/h
Seasonal range
8.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
323 d/yr
Rainy days (≥ 1 mm)
90 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
22.9 °C
Average peak gust
31.0 km/h
Tropical nights (≥ 20 °C)
273 d/yr
Solar radiation
21.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.71 · 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
43.6 °C
16 April 2016
Coldest day
10.6 °C
14 January 1957
Wettest day
190 mm
20 July 2016
Windiest day
30.9 km/h
3 June 1965
Strongest gust
66.2 km/h
24 January 1992
Hottest feels-like
47.0 °C
10 May 1987
Coldest feels-like
6.5 °C
13 January 1957
Sunniest day
12.2 h
18 July 1944
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 33.6 °C | +1.6 °C | 0 mm | -0 mm |
| Feb | 36.2 °C | +1.3 °C | 0 mm | -1 mm |
| Mar | 40.6 °C | +2.8 °C | 2 mm | -1 mm |
| Apr | 40.1 °C | +1.3 °C | 1 mm | -10 mm |
| May | 38.5 °C | +0.8 °C | 12 mm | -20 mm |
| Jun | 36.0 °C | +1.3 °C | 38 mm | -22 mm |
| Jul | 31.8 °C | +0.1 °C | 127 mm | -6 mm |
| Aug | 30.3 °C | +0.1 °C | 187 mm | -8 mm |
| Sep | 31.5 °C | +0.1 °C | 90 mm | -27 mm |
| Oct | 35.9 °C | +1.7 °C | 17 mm | -13 mm |
| Nov | 36.7 °C | +1.8 °C | 0 mm | -2 mm |
| Dec | 34.6 °C | +2.2 °C | 0 mm | -0 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 Nioko I?
Nioko I has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.0 °C and it receives 585 mm of precipitation per year.
What is the hottest day ever recorded in Nioko I?
The hottest day measured in Nioko I between 1940 and 2025 was 16 April 2016, reaching 43.6 °C.
What is the coldest day in Nioko I?
The coldest day measured in Nioko I between 1940 and 2025 was 14 January 1957, at 10.6 °C.
Does it snow in Nioko I?
Almost never: Nioko I sees virtually no snow, with about 0 frost days per year.
Has the climate of Nioko I warmed?
Yes: Nioko I warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nioko I?
The wettest day measured in Nioko I between 1940 and 2025 was 20 July 2016, with 190 mm of rain in 24 hours.
What was the windiest day in Nioko I?
The windiest day measured in Nioko I between 1940 and 2025 was 3 June 1965, with winds reaching 30.9 km/h.
What is the warmest month in Nioko I?
The warmest month in Nioko I is April (32.5 °C on average); the coldest is January (24.3 °C).
How much does it rain in Nioko I?
Nioko I receives on average 585 mm of precipitation per year, spread over about 90 rainy days.
Is it sunny in Nioko I?
Nioko I gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
Are there tropical nights in Nioko I?
Yes: Nioko I has on average 273 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nioko I?
In Nioko I, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 10 May 1987, and the lowest was 6.5 °C on 13 January 1957.
Compare Nioko I with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nioko I