Rouached climate — normals and trends
Rouached (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.4 °C and it receives 668 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 (25.4 °C on average) and the coldest is January (6.9 °C). Rainfall peaks in December.
Rouached averages 15 frost days, 69 hot days (≥ 30 °C) and 113 rainy days per year.
Rouached has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 26 to 4 per year over the period.
The hottest day of the period reached 43.2 °C (on 4 July 1993) and the coldest -12.7 °C (on 31 December 1940).
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
RouachedMila Province
- coords
- 36.46°, 6.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.4°C
Average daily high
21.3°C
Average daily low
10.1°C
Annual rainfall
668mm
Sunshine / day
10.5h
Mean relative humidity
71%
Average peak wind
11.6km/h
Seasonal range
18.5°C
Frost days (< 0 °C)
15 d/yr
Hot days (≥ 30 °C)
69 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
10.5 cm
Average feels-like high
20.9 °C
Average feels-like low
8.9 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
26 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.70 · 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
43.2 °C
4 July 1993
Coldest day
-12.7 °C
31 December 1940
Wettest day
80 mm
7 March 1985
Windiest day
34.4 km/h
4 April 2002
Strongest gust
112.0 km/h
8 February 1996
Hottest feels-like
43.8 °C
24 July 2009
Coldest feels-like
-17.9 °C
31 December 1940
Snowiest day
14.5 cm
2 February 1954
Sunniest day
14.0 h
21 June 2015
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 | 14.3 °C | +2.3 °C | 117 mm | +43 mm |
| Feb | 15.4 °C | +2.2 °C | 45 mm | -26 mm |
| Mar | 18.3 °C | +2.5 °C | 81 mm | +4 mm |
| Apr | 20.9 °C | +2.3 °C | 78 mm | +4 mm |
| May | 23.7 °C | +0.7 °C | 108 mm | +48 mm |
| Jun | 31.9 °C | +3.8 °C | 7 mm | -20 mm |
| Jul | 32.8 °C | +0.5 °C | 12 mm | +2 mm |
| Aug | 32.7 °C | +0.4 °C | 7 mm | -14 mm |
| Sep | 29.6 °C | +1.7 °C | 74 mm | +23 mm |
| Oct | 23.9 °C | +1.4 °C | 43 mm | -16 mm |
| Nov | 17.6 °C | +0.7 °C | 83 mm | +17 mm |
| Dec | 14.1 °C | +1.2 °C | 57 mm | -21 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 Rouached?
Rouached has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.4 °C and it receives 668 mm of precipitation per year.
What is the hottest day ever recorded in Rouached?
The hottest day measured in Rouached between 1940 and 2025 was 4 July 1993, reaching 43.2 °C.
What is the coldest day in Rouached?
The coldest day measured in Rouached between 1940 and 2025 was 31 December 1940, at -12.7 °C.
Does it snow in Rouached?
Yes. Rouached gets on average 10.5 cm of snow per year and has around 15 frost days.
Has the climate of Rouached warmed?
Yes: Rouached warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rouached?
The wettest day measured in Rouached between 1940 and 2025 was 7 March 1985, with 80 mm of rain in 24 hours.
What was the windiest day in Rouached?
The windiest day measured in Rouached between 1940 and 2025 was 4 April 2002, with winds reaching 34.4 km/h.
What is the warmest month in Rouached?
The warmest month in Rouached is July (25.4 °C on average); the coldest is January (6.9 °C).
How much does it rain in Rouached?
Rouached receives on average 668 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Rouached?
Rouached gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rouached?
The heaviest 24-hour snowfall measured in Rouached between 1940 and 2025 was 2 February 1954, with 14.5 cm.
Are there tropical nights in Rouached?
Yes: Rouached has on average 26 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rouached?
In Rouached, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 24 July 2009, and the lowest was -17.9 °C on 31 December 1940.
Compare Rouached with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rouached