Gueznaia climate — normals and trends
Gueznaia (Morocco) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 778 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 August (23.3 °C on average) and the coldest is January (13.3 °C). Rainfall peaks in December.
Gueznaia averages 0 frost days, 3 hot days (≥ 30 °C) and 78 rainy days per year.
Gueznaia has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.6 °C (on 20 July 1941) and the coldest 4.2 °C (on 1 February 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
GueznaiaTanger-Tetouan-Al Hoceima
- coords
- 35.70°, -5.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.9°C
Average daily high
20.1°C
Average daily low
15.9°C
Annual rainfall
778mm
Sunshine / day
10.8h
Mean relative humidity
79%
Average peak wind
26.6km/h
Seasonal range
10.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.4 °C
Average feels-like low
14.4 °C
Average peak gust
40.2 km/h
Tropical nights (≥ 20 °C)
63 d/yr
Solar radiation
18.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.41 · 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
34.6 °C
20 July 1941
Coldest day
4.2 °C
1 February 1954
Wettest day
100 mm
7 November 1982
Windiest day
71.0 km/h
22 December 1958
Strongest gust
128.9 km/h
22 December 1958
Hottest feels-like
39.0 °C
10 August 2012
Coldest feels-like
-3.9 °C
1 February 1954
Sunniest day
14.3 h
23 June 1951
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 | 17.1 °C | +1.9 °C | 75 mm | -35 mm |
| Feb | 17.2 °C | +1.6 °C | 53 mm | -46 mm |
| Mar | 17.0 °C | +0.3 °C | 329 mm | +234 mm |
| Apr | 18.9 °C | +0.9 °C | 76 mm | +9 mm |
| May | 21.6 °C | +1.4 °C | 32 mm | -5 mm |
| Jun | 25.4 °C | +2.4 °C | 23 mm | +12 mm |
| Jul | 26.2 °C | +0.8 °C | 4 mm | +2 mm |
| Aug | 26.9 °C | +1.0 °C | 1 mm | -3 mm |
| Sep | 25.0 °C | +0.6 °C | 12 mm | -11 mm |
| Oct | 23.6 °C | +1.8 °C | 44 mm | -33 mm |
| Nov | 19.2 °C | +0.8 °C | 161 mm | +42 mm |
| Dec | 15.9 °C | -0.3 °C | 180 mm | +46 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 Gueznaia?
Gueznaia has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 778 mm of precipitation per year.
What is the hottest day ever recorded in Gueznaia?
The hottest day measured in Gueznaia between 1940 and 2025 was 20 July 1941, reaching 34.6 °C.
What is the coldest day in Gueznaia?
The coldest day measured in Gueznaia between 1940 and 2025 was 1 February 1954, at 4.2 °C.
Does it snow in Gueznaia?
Almost never: Gueznaia sees virtually no snow, with about 0 frost days per year.
Has the climate of Gueznaia warmed?
Yes: Gueznaia warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gueznaia?
The wettest day measured in Gueznaia between 1940 and 2025 was 7 November 1982, with 100 mm of rain in 24 hours.
What was the windiest day in Gueznaia?
The windiest day measured in Gueznaia between 1940 and 2025 was 22 December 1958, with winds reaching 71.0 km/h.
What is the warmest month in Gueznaia?
The warmest month in Gueznaia is August (23.3 °C on average); the coldest is January (13.3 °C).
How much does it rain in Gueznaia?
Gueznaia receives on average 778 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in Gueznaia?
Gueznaia gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Gueznaia?
Yes: Gueznaia has on average 63 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gueznaia?
In Gueznaia, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 10 August 2012, and the lowest was -3.9 °C on 1 February 1954.
Compare Gueznaia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gueznaia