Gaya climate — normals and trends
Gaya (Niger) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.7 °C and it receives 627 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 (33.5 °C on average) and the coldest is January (25.6 °C). Rainfall peaks in August.
Gaya averages 0 frost days, 324 hot days (≥ 30 °C) and 88 rainy days per year.
Gaya has warmed by +2.3 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 44.4 °C (on 19 April 2010) and the coldest 11.2 °C (on 25 January 1956).
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
GayaDosso Region
- coords
- 11.88°, 3.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.7°C
Average daily high
34.8°C
Average daily low
23.0°C
Annual rainfall
627mm
Sunshine / day
10.9h
Mean relative humidity
47%
Average peak wind
13.8km/h
Seasonal range
7.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
324 d/yr
Rainy days (≥ 1 mm)
88 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.8 °C
Average feels-like low
23.5 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
294 d/yr
Solar radiation
21.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.63 · 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
44.4 °C
19 April 2010
Coldest day
11.2 °C
25 January 1956
Wettest day
159 mm
21 August 1967
Windiest day
28.9 km/h
1 June 2023
Strongest gust
61.6 km/h
10 June 2013
Hottest feels-like
48.9 °C
24 April 2024
Coldest feels-like
6.6 °C
25 January 1956
Sunniest day
12.3 h
2 June 1941
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 | 34.4 °C | +1.3 °C | 0 mm | 0 mm |
| Feb | 36.7 °C | +0.8 °C | 0 mm | -0 mm |
| Mar | 41.2 °C | +2.4 °C | 0 mm | -3 mm |
| Apr | 41.4 °C | +1.4 °C | 1 mm | -10 mm |
| May | 39.4 °C | +1.1 °C | 8 mm | -30 mm |
| Jun | 36.1 °C | +1.0 °C | 22 mm | -44 mm |
| Jul | 31.3 °C | -0.2 °C | 183 mm | +32 mm |
| Aug | 30.1 °C | +0.2 °C | 275 mm | +50 mm |
| Sep | 31.7 °C | +0.6 °C | 131 mm | +19 mm |
| Oct | 35.1 °C | +0.6 °C | 11 mm | -11 mm |
| Nov | 36.9 °C | +1.4 °C | 0 mm | -1 mm |
| Dec | 35.6 °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 Gaya?
Gaya has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.7 °C and it receives 627 mm of precipitation per year.
What is the hottest day ever recorded in Gaya?
The hottest day measured in Gaya between 1940 and 2025 was 19 April 2010, reaching 44.4 °C.
What is the coldest day in Gaya?
The coldest day measured in Gaya between 1940 and 2025 was 25 January 1956, at 11.2 °C.
Does it snow in Gaya?
Almost never: Gaya sees virtually no snow, with about 0 frost days per year.
Has the climate of Gaya warmed?
Yes: Gaya warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gaya?
The wettest day measured in Gaya between 1940 and 2025 was 21 August 1967, with 159 mm of rain in 24 hours.
What was the windiest day in Gaya?
The windiest day measured in Gaya between 1940 and 2025 was 1 June 2023, with winds reaching 28.9 km/h.
What is the warmest month in Gaya?
The warmest month in Gaya is April (33.5 °C on average); the coldest is January (25.6 °C).
How much does it rain in Gaya?
Gaya receives on average 627 mm of precipitation per year, spread over about 88 rainy days.
Is it sunny in Gaya?
Gaya gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Gaya?
Yes: Gaya has on average 294 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gaya?
In Gaya, between 1940 and 2025, the highest apparent temperature reached 48.9 °C on 24 April 2024, and the lowest was 6.6 °C on 25 January 1956.
Compare Gaya with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gaya