Tissemsilt climate — normals and trends
Tissemsilt (Algeria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 349 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 (27.3 °C on average) and the coldest is January (6.6 °C). Rainfall peaks in January.
Tissemsilt averages 14 frost days, 90 hot days (≥ 30 °C) and 73 rainy days per year.
Tissemsilt has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 22 to 6 per year over the period.
The hottest day of the period reached 42.1 °C (on 31 July 2024) and the coldest -10.5 °C (on 19 December 1967).
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
TissemsiltTissemsilt Province
- coords
- 35.61°, 1.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.8°C
Average daily high
21.5°C
Average daily low
10.5°C
Annual rainfall
349mm
Sunshine / day
10.5h
Mean relative humidity
60%
Average peak wind
15.5km/h
Seasonal range
20.7°C
Frost days (< 0 °C)
14 d/yr
Hot days (≥ 30 °C)
90 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
11.1 cm
Average feels-like high
19.7 °C
Average feels-like low
8.5 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
41 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.58 · 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
42.1 °C
31 July 2024
Coldest day
-10.5 °C
19 December 1967
Wettest day
67 mm
31 August 1989
Windiest day
49.7 km/h
6 February 1996
Strongest gust
123.1 km/h
5 March 2009
Hottest feels-like
42.4 °C
12 July 2019
Coldest feels-like
-14.2 °C
18 December 1967
Snowiest day
33.7 cm
18 January 1972
Sunniest day
14.0 h
3 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 | 12.8 °C | +1.8 °C | 39 mm | -6 mm |
| Feb | 15.1 °C | +2.5 °C | 25 mm | -15 mm |
| Mar | 17.0 °C | +1.4 °C | 32 mm | -11 mm |
| Apr | 22.2 °C | +3.3 °C | 49 mm | +7 mm |
| May | 25.5 °C | +1.6 °C | 46 mm | +16 mm |
| Jun | 35.1 °C | +5.2 °C | 12 mm | -2 mm |
| Jul | 36.1 °C | +1.7 °C | 10 mm | +3 mm |
| Aug | 35.2 °C | +1.4 °C | 4 mm | -6 mm |
| Sep | 30.6 °C | +2.1 °C | 24 mm | +5 mm |
| Oct | 24.9 °C | +2.7 °C | 16 mm | -13 mm |
| Nov | 17.5 °C | +1.6 °C | 14 mm | -20 mm |
| Dec | 12.3 °C | +0.5 °C | 54 mm | +15 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 Tissemsilt?
Tissemsilt has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 349 mm of precipitation per year.
What is the hottest day ever recorded in Tissemsilt?
The hottest day measured in Tissemsilt between 1940 and 2025 was 31 July 2024, reaching 42.1 °C.
What is the coldest day in Tissemsilt?
The coldest day measured in Tissemsilt between 1940 and 2025 was 19 December 1967, at -10.5 °C.
Does it snow in Tissemsilt?
Yes. Tissemsilt gets on average 11.1 cm of snow per year and has around 14 frost days.
Has the climate of Tissemsilt warmed?
Yes: Tissemsilt warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tissemsilt?
The wettest day measured in Tissemsilt between 1940 and 2025 was 31 August 1989, with 67 mm of rain in 24 hours.
What was the windiest day in Tissemsilt?
The windiest day measured in Tissemsilt between 1940 and 2025 was 6 February 1996, with winds reaching 49.7 km/h.
What is the warmest month in Tissemsilt?
The warmest month in Tissemsilt is July (27.3 °C on average); the coldest is January (6.6 °C).
How much does it rain in Tissemsilt?
Tissemsilt receives on average 349 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Tissemsilt?
Tissemsilt 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 Tissemsilt?
The heaviest 24-hour snowfall measured in Tissemsilt between 1940 and 2025 was 18 January 1972, with 33.7 cm.
Are there tropical nights in Tissemsilt?
Yes: Tissemsilt has on average 41 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tissemsilt?
In Tissemsilt, between 1940 and 2025, the highest apparent temperature reached 42.4 °C on 12 July 2019, and the lowest was -14.2 °C on 18 December 1967.
Compare Tissemsilt with another city
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Nearby cities
The climate around Tissemsilt