Tiaret climate — normals and trends
Tiaret (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.4 °C and it receives 471 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 (26.3 °C on average) and the coldest is January (6.5 °C). Rainfall peaks in January.
Tiaret averages 15 frost days, 75 hot days (≥ 30 °C) and 87 rainy days per year.
Tiaret has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 23 to 7 per year over the period.
The hottest day of the period reached 41.2 °C (on 1 August 2017) and the coldest -11.9 °C (on 10 January 1954).
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
TiaretTiaret Province
- coords
- 35.37°, 1.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.4°C
Average daily high
20.9°C
Average daily low
10.3°C
Annual rainfall
471mm
Sunshine / day
10.6h
Mean relative humidity
61%
Average peak wind
15.5km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
15 d/yr
Hot days (≥ 30 °C)
75 d/yr
Rainy days (≥ 1 mm)
87 d/yr
Annual snowfall
16.5 cm
Average feels-like high
19.3 °C
Average feels-like low
8.2 °C
Average peak gust
36.0 km/h
Tropical nights (≥ 20 °C)
35 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.56 · 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
41.2 °C
1 August 2017
Coldest day
-11.9 °C
10 January 1954
Wettest day
76 mm
31 August 1989
Windiest day
46.8 km/h
6 February 1996
Strongest gust
118.1 km/h
5 March 2009
Hottest feels-like
41.8 °C
16 July 2005
Coldest feels-like
-16.1 °C
10 January 1954
Snowiest day
27.2 cm
18 January 1972
Sunniest day
14.0 h
27 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 12.4 °C | +1.4 °C | 44 mm | -16 mm |
| Feb | 14.8 °C | +2.3 °C | 26 mm | -25 mm |
| Mar | 16.7 °C | +1.4 °C | 42 mm | -17 mm |
| Apr | 21.5 °C | +3.2 °C | 71 mm | +14 mm |
| May | 24.6 °C | +1.8 °C | 51 mm | +10 mm |
| Jun | 33.9 °C | +5.5 °C | 11 mm | -7 mm |
| Jul | 35.1 °C | +2.2 °C | 10 mm | +3 mm |
| Aug | 34.3 °C | +1.7 °C | 6 mm | -6 mm |
| Sep | 30.1 °C | +2.4 °C | 29 mm | +1 mm |
| Oct | 24.4 °C | +2.7 °C | 20 mm | -20 mm |
| Nov | 17.3 °C | +1.6 °C | 19 mm | -27 mm |
| Dec | 12.3 °C | +0.5 °C | 75 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 Tiaret?
Tiaret has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.4 °C and it receives 471 mm of precipitation per year.
What is the hottest day ever recorded in Tiaret?
The hottest day measured in Tiaret between 1940 and 2025 was 1 August 2017, reaching 41.2 °C.
What is the coldest day in Tiaret?
The coldest day measured in Tiaret between 1940 and 2025 was 10 January 1954, at -11.9 °C.
Does it snow in Tiaret?
Yes. Tiaret gets on average 16.5 cm of snow per year and has around 15 frost days.
Has the climate of Tiaret warmed?
Yes: Tiaret warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tiaret?
The wettest day measured in Tiaret between 1940 and 2025 was 31 August 1989, with 76 mm of rain in 24 hours.
What was the windiest day in Tiaret?
The windiest day measured in Tiaret between 1940 and 2025 was 6 February 1996, with winds reaching 46.8 km/h.
What is the warmest month in Tiaret?
The warmest month in Tiaret is July (26.3 °C on average); the coldest is January (6.5 °C).
How much does it rain in Tiaret?
Tiaret receives on average 471 mm of precipitation per year, spread over about 87 rainy days.
Is it sunny in Tiaret?
Tiaret gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tiaret?
The heaviest 24-hour snowfall measured in Tiaret between 1940 and 2025 was 18 January 1972, with 27.2 cm.
Are there tropical nights in Tiaret?
Yes: Tiaret has on average 35 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tiaret?
In Tiaret, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 16 July 2005, and the lowest was -16.1 °C on 10 January 1954.
Compare Tiaret with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tiaret