Nguigmi climate — normals and trends
Nguigmi (Niger) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 27.4 °C and it receives 175 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 May (32.8 °C on average) and the coldest is January (19.9 °C). Rainfall peaks in August.
Nguigmi averages 0 frost days, 296 hot days (≥ 30 °C) and 32 rainy days per year.
Nguigmi has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The hottest day of the period reached 45.3 °C (on 21 April 1998) and the coldest 4.6 °C (on 7 January 1993).
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
NguigmiDiffa
- coords
- 14.25°, 13.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.4°C
Average daily high
34.7°C
Average daily low
20.8°C
Annual rainfall
175mm
Sunshine / day
11.3h
Mean relative humidity
32%
Average peak wind
19.7km/h
Seasonal range
12.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
296 d/yr
Rainy days (≥ 1 mm)
32 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.8 °C
Average feels-like low
18.8 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
226 d/yr
Solar radiation
24.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °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
45.3 °C
21 April 1998
Coldest day
4.6 °C
7 January 1993
Wettest day
121 mm
26 July 1978
Windiest day
44.1 km/h
14 June 1967
Strongest gust
67.0 km/h
14 April 2019
Hottest feels-like
46.7 °C
27 May 1998
Coldest feels-like
0.0 °C
7 January 1993
Sunniest day
12.4 h
15 July 1949
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 | 29.9 °C | +2.1 °C | 0 mm | 0 mm |
| Feb | 32.0 °C | +1.2 °C | 0 mm | 0 mm |
| Mar | 38.0 °C | +2.6 °C | 0 mm | -0 mm |
| Apr | 39.7 °C | +0.4 °C | 0 mm | -1 mm |
| May | 41.2 °C | +0.8 °C | 0 mm | -4 mm |
| Jun | 39.6 °C | +0.5 °C | 1 mm | -10 mm |
| Jul | 35.0 °C | -0.8 °C | 38 mm | -13 mm |
| Aug | 33.7 °C | +0.1 °C | 29 mm | -58 mm |
| Sep | 35.1 °C | -1.2 °C | 52 mm | +31 mm |
| Oct | 37.7 °C | +0.9 °C | 0 mm | -3 mm |
| Nov | 34.3 °C | +1.7 °C | 0 mm | 0 mm |
| Dec | 32.4 °C | +3.8 °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 Nguigmi?
Nguigmi has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.4 °C and it receives 175 mm of precipitation per year.
What is the hottest day ever recorded in Nguigmi?
The hottest day measured in Nguigmi between 1940 and 2025 was 21 April 1998, reaching 45.3 °C.
What is the coldest day in Nguigmi?
The coldest day measured in Nguigmi between 1940 and 2025 was 7 January 1993, at 4.6 °C.
Does it snow in Nguigmi?
Almost never: Nguigmi sees virtually no snow, with about 0 frost days per year.
Has the climate of Nguigmi warmed?
Yes: Nguigmi warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nguigmi?
The wettest day measured in Nguigmi between 1940 and 2025 was 26 July 1978, with 121 mm of rain in 24 hours.
What was the windiest day in Nguigmi?
The windiest day measured in Nguigmi between 1940 and 2025 was 14 June 1967, with winds reaching 44.1 km/h.
What is the warmest month in Nguigmi?
The warmest month in Nguigmi is May (32.8 °C on average); the coldest is January (19.9 °C).
How much does it rain in Nguigmi?
Nguigmi receives on average 175 mm of precipitation per year, spread over about 32 rainy days.
Is it sunny in Nguigmi?
Nguigmi gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
Are there tropical nights in Nguigmi?
Yes: Nguigmi has on average 226 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nguigmi?
In Nguigmi, between 1940 and 2025, the highest apparent temperature reached 46.7 °C on 27 May 1998, and the lowest was 0.0 °C on 7 January 1993.
Compare Nguigmi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nguigmi