Guerara climate — normals and trends
Guerara (Algeria) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.5 °C and it receives 63 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 (33.5 °C on average) and the coldest is January (10.3 °C). Rainfall peaks in January.
Guerara averages 2 frost days, 150 hot days (≥ 30 °C) and 13 rainy days per year.
Guerara has warmed by +3.2 °C between 1940 and 2025, or +0.38 °C per decade. This trend is statistically significant.
The number of frost days there went from about 5 to 0 per year over the period.
The hottest day of the period reached 48.7 °C (on 30 July 2023) and the coldest -5.5 °C (on 6 January 1941).
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
GueraraGhardaia Province
- coords
- 32.79°, 4.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.5°C
Average daily high
27.3°C
Average daily low
15.4°C
Annual rainfall
63mm
Sunshine / day
11.2h
Mean relative humidity
40%
Average peak wind
22.3km/h
Seasonal range
23.2°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
150 d/yr
Rainy days (≥ 1 mm)
13 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.8 °C
Average feels-like low
12.2 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
128 d/yr
Solar radiation
21.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.2 °C
since 1940
+0.4 °C per decade · r² = 0.77 · 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
48.7 °C
30 July 2023
Coldest day
-5.5 °C
6 January 1941
Wettest day
38 mm
21 January 2009
Windiest day
67.6 km/h
21 January 2009
Strongest gust
111.2 km/h
21 January 2009
Hottest feels-like
47.8 °C
15 July 2012
Coldest feels-like
-10.5 °C
6 January 1941
Snowiest day
2.1 cm
27 January 2005
Sunniest day
13.6 h
25 June 2022
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 | 18.2 °C | +2.1 °C | 3 mm | -7 mm |
| Feb | 19.0 °C | +0.5 °C | 0 mm | -6 mm |
| Mar | 24.2 °C | +2.2 °C | 8 mm | -0 mm |
| Apr | 28.0 °C | +1.9 °C | 6 mm | -2 mm |
| May | 32.2 °C | +1.0 °C | 4 mm | +1 mm |
| Jun | 37.7 °C | +1.3 °C | 0 mm | -1 mm |
| Jul | 40.8 °C | +1.2 °C | 0 mm | -1 mm |
| Aug | 40.0 °C | +1.1 °C | 1 mm | 0 mm |
| Sep | 35.1 °C | +1.2 °C | 0 mm | -4 mm |
| Oct | 29.6 °C | +2.2 °C | 3 mm | -4 mm |
| Nov | 22.6 °C | +1.5 °C | 0 mm | -7 mm |
| Dec | 17.1 °C | +0.4 °C | 21 mm | +14 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 Guerara?
Guerara has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.5 °C and it receives 63 mm of precipitation per year.
What is the hottest day ever recorded in Guerara?
The hottest day measured in Guerara between 1940 and 2025 was 30 July 2023, reaching 48.7 °C.
What is the coldest day in Guerara?
The coldest day measured in Guerara between 1940 and 2025 was 6 January 1941, at -5.5 °C.
Does it snow in Guerara?
Almost never: Guerara sees virtually no snow, with about 2 frost days per year.
Has the climate of Guerara warmed?
Yes: Guerara warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guerara?
The wettest day measured in Guerara between 1940 and 2025 was 21 January 2009, with 38 mm of rain in 24 hours.
What was the windiest day in Guerara?
The windiest day measured in Guerara between 1940 and 2025 was 21 January 2009, with winds reaching 67.6 km/h.
What is the warmest month in Guerara?
The warmest month in Guerara is July (33.5 °C on average); the coldest is January (10.3 °C).
How much does it rain in Guerara?
Guerara receives on average 63 mm of precipitation per year, spread over about 13 rainy days.
Is it sunny in Guerara?
Guerara gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Guerara?
The heaviest 24-hour snowfall measured in Guerara between 1940 and 2025 was 27 January 2005, with 2.1 cm.
Are there tropical nights in Guerara?
Yes: Guerara has on average 128 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guerara?
In Guerara, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 15 July 2012, and the lowest was -10.5 °C on 6 January 1941.
Compare Guerara with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guerara