N’Gaous climate — normals and trends
N’Gaous (Algeria) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 16.4 °C and it receives 232 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 July (28.3 °C on average) and the coldest is January (6.1 °C). Rainfall peaks in March.
N’Gaous averages 14 frost days, 94 hot days (≥ 30 °C) and 49 rainy days per year.
N’Gaous has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 26 to 2 per year over the period.
The hottest day of the period reached 43.0 °C (on 10 July 2024) and the coldest -8.5 °C (on 8 February 2012).
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
N’GaousBatna
- coords
- 35.55°, 5.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.4°C
Average daily high
22.0°C
Average daily low
11.1°C
Annual rainfall
232mm
Sunshine / day
10.9h
Mean relative humidity
55%
Average peak wind
15.7km/h
Seasonal range
22.2°C
Frost days (< 0 °C)
14 d/yr
Hot days (≥ 30 °C)
94 d/yr
Rainy days (≥ 1 mm)
49 d/yr
Annual snowfall
4.7 cm
Average feels-like high
20.0 °C
Average feels-like low
9.0 °C
Average peak gust
37.3 km/h
Tropical nights (≥ 20 °C)
61 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.73 · 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
43.0 °C
10 July 2024
Coldest day
-8.5 °C
8 February 2012
Wettest day
55 mm
6 May 2021
Windiest day
44.7 km/h
7 November 1962
Strongest gust
97.2 km/h
31 January 2015
Hottest feels-like
43.0 °C
15 July 2010
Coldest feels-like
-12.2 °C
8 February 2012
Snowiest day
12.7 cm
19 December 1999
Sunniest day
13.9 h
25 June 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 | 13.2 °C | +2.3 °C | 21 mm | -3 mm |
| Feb | 15.2 °C | +2.5 °C | 7 mm | -14 mm |
| Mar | 18.9 °C | +2.6 °C | 13 mm | -14 mm |
| Apr | 22.0 °C | +1.8 °C | 46 mm | +21 mm |
| May | 27.2 °C | +1.7 °C | 30 mm | +9 mm |
| Jun | 34.8 °C | +3.5 °C | 1 mm | -9 mm |
| Jul | 36.2 °C | +1.5 °C | 7 mm | +4 mm |
| Aug | 34.9 °C | +1.1 °C | 6 mm | -0 mm |
| Sep | 30.1 °C | +1.6 °C | 22 mm | +3 mm |
| Oct | 23.7 °C | +1.5 °C | 13 mm | -11 mm |
| Nov | 16.8 °C | +0.9 °C | 5 mm | -20 mm |
| Dec | 12.6 °C | +0.9 °C | 43 mm | +18 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 N’Gaous?
N’Gaous has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 16.4 °C and it receives 232 mm of precipitation per year.
What is the hottest day ever recorded in N’Gaous?
The hottest day measured in N’Gaous between 1940 and 2025 was 10 July 2024, reaching 43.0 °C.
What is the coldest day in N’Gaous?
The coldest day measured in N’Gaous between 1940 and 2025 was 8 February 2012, at -8.5 °C.
Does it snow in N’Gaous?
Yes. N’Gaous gets on average 4.7 cm of snow per year and has around 14 frost days.
Has the climate of N’Gaous warmed?
Yes: N’Gaous warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in N’Gaous?
The wettest day measured in N’Gaous between 1940 and 2025 was 6 May 2021, with 55 mm of rain in 24 hours.
What was the windiest day in N’Gaous?
The windiest day measured in N’Gaous between 1940 and 2025 was 7 November 1962, with winds reaching 44.7 km/h.
What is the warmest month in N’Gaous?
The warmest month in N’Gaous is July (28.3 °C on average); the coldest is January (6.1 °C).
How much does it rain in N’Gaous?
N’Gaous receives on average 232 mm of precipitation per year, spread over about 49 rainy days.
Is it sunny in N’Gaous?
N’Gaous gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in N’Gaous?
The heaviest 24-hour snowfall measured in N’Gaous between 1940 and 2025 was 19 December 1999, with 12.7 cm.
Are there tropical nights in N’Gaous?
Yes: N’Gaous has on average 61 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in N’Gaous?
In N’Gaous, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 15 July 2010, and the lowest was -12.2 °C on 8 February 2012.
Compare N’Gaous with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around N’Gaous