Kaïs climate — normals and trends
Kaïs (Algeria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 343 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 (26.4 °C on average) and the coldest is January (5.9 °C). Rainfall peaks in April.
Kaïs averages 19 frost days, 81 hot days (≥ 30 °C) and 74 rainy days per year.
Kaïs has warmed by +3.0 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 32 to 6 per year over the period.
The hottest day of the period reached 42.6 °C (on 29 July 2023) and the coldest -14.3 °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
KaïsKhenchela Province
- coords
- 35.49°, 6.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
21.3°C
Average daily low
9.7°C
Annual rainfall
343mm
Sunshine / day
10.4h
Mean relative humidity
61%
Average peak wind
13.7km/h
Seasonal range
20.5°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
81 d/yr
Rainy days (≥ 1 mm)
74 d/yr
Annual snowfall
11.6 cm
Average feels-like high
19.6 °C
Average feels-like low
7.9 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
27 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.71 · 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
42.6 °C
29 July 2023
Coldest day
-14.3 °C
31 December 1940
Wettest day
56 mm
17 October 2018
Windiest day
40.2 km/h
8 February 1996
Strongest gust
107.6 km/h
8 February 1996
Hottest feels-like
41.4 °C
26 July 2005
Coldest feels-like
-19.6 °C
31 December 1940
Snowiest day
13.6 cm
30 December 1972
Sunniest day
13.7 h
27 June 1948
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 | 13.0 °C | +2.2 °C | 35 mm | +4 mm |
| Feb | 14.2 °C | +1.9 °C | 14 mm | -14 mm |
| Mar | 18.4 °C | +2.9 °C | 21 mm | -19 mm |
| Apr | 21.2 °C | +2.1 °C | 57 mm | +16 mm |
| May | 25.1 °C | +0.9 °C | 56 mm | +19 mm |
| Jun | 33.5 °C | +3.7 °C | 1 mm | -22 mm |
| Jul | 34.7 °C | +1.1 °C | 6 mm | -3 mm |
| Aug | 33.6 °C | +0.8 °C | 11 mm | -4 mm |
| Sep | 29.0 °C | +1.2 °C | 51 mm | +23 mm |
| Oct | 23.0 °C | +1.0 °C | 21 mm | -11 mm |
| Nov | 17.3 °C | +1.3 °C | 4 mm | -25 mm |
| Dec | 12.8 °C | +1.1 °C | 32 mm | +1 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 Kaïs?
Kaïs has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 343 mm of precipitation per year.
What is the hottest day ever recorded in Kaïs?
The hottest day measured in Kaïs between 1940 and 2025 was 29 July 2023, reaching 42.6 °C.
What is the coldest day in Kaïs?
The coldest day measured in Kaïs between 1940 and 2025 was 31 December 1940, at -14.3 °C.
Does it snow in Kaïs?
Yes. Kaïs gets on average 11.6 cm of snow per year and has around 19 frost days.
Has the climate of Kaïs warmed?
Yes: Kaïs warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kaïs?
The wettest day measured in Kaïs between 1940 and 2025 was 17 October 2018, with 56 mm of rain in 24 hours.
What was the windiest day in Kaïs?
The windiest day measured in Kaïs between 1940 and 2025 was 8 February 1996, with winds reaching 40.2 km/h.
What is the warmest month in Kaïs?
The warmest month in Kaïs is July (26.4 °C on average); the coldest is January (5.9 °C).
How much does it rain in Kaïs?
Kaïs receives on average 343 mm of precipitation per year, spread over about 74 rainy days.
Is it sunny in Kaïs?
Kaïs gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kaïs?
The heaviest 24-hour snowfall measured in Kaïs between 1940 and 2025 was 30 December 1972, with 13.6 cm.
Are there tropical nights in Kaïs?
Yes: Kaïs has on average 27 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kaïs?
In Kaïs, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 26 July 2005, and the lowest was -19.6 °C on 31 December 1940.
Compare Kaïs with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kaïs