Az Zuwaytīnah climate — normals and trends
Az Zuwaytīnah (Libya) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 20.8 °C and it receives 134 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 (27.1 °C on average) and the coldest is January (14.3 °C). Rainfall peaks in December.
Az Zuwaytīnah averages 0 frost days, 48 hot days (≥ 30 °C) and 28 rainy days per year.
Az Zuwaytīnah has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.7 °C (on 14 June 1969) and the coldest 3.2 °C (on 26 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
Az ZuwaytīnahAl Wahat
- coords
- 30.95°, 20.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.8°C
Average daily high
23.8°C
Average daily low
17.9°C
Annual rainfall
134mm
Sunshine / day
11.1h
Mean relative humidity
62%
Average peak wind
27.1km/h
Seasonal range
12.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
48 d/yr
Rainy days (≥ 1 mm)
28 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.1 °C
Average feels-like low
16.2 °C
Average peak gust
39.3 km/h
Tropical nights (≥ 20 °C)
145 d/yr
Solar radiation
20.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.68 · 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
38.7 °C
14 June 1969
Coldest day
3.2 °C
26 December 1967
Wettest day
32 mm
5 February 2013
Windiest day
80.6 km/h
8 February 1996
Strongest gust
110.5 km/h
8 February 1996
Hottest feels-like
40.0 °C
23 August 2023
Coldest feels-like
-3.0 °C
26 December 1967
Sunniest day
13.4 h
5 July 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 | 19.2 °C | +2.5 °C | 4 mm | -32 mm |
| Feb | 18.4 °C | +0.8 °C | 1 mm | -20 mm |
| Mar | 23.0 °C | +3.4 °C | 2 mm | -8 mm |
| Apr | 22.8 °C | +0.1 °C | 3 mm | +0 mm |
| May | 27.3 °C | +1.5 °C | 1 mm | -0 mm |
| Jun | 28.7 °C | +0.4 °C | 0 mm | -0 mm |
| Jul | 30.8 °C | +1.6 °C | 0 mm | 0 mm |
| Aug | 30.9 °C | +0.9 °C | 0 mm | -0 mm |
| Sep | 29.7 °C | +0.7 °C | 0 mm | -1 mm |
| Oct | 26.5 °C | +0.3 °C | 3 mm | -4 mm |
| Nov | 23.5 °C | +1.4 °C | 7 mm | -10 mm |
| Dec | 19.1 °C | +0.9 °C | 34 mm | -4 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 Az Zuwaytīnah?
Az Zuwaytīnah has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 20.8 °C and it receives 134 mm of precipitation per year.
What is the hottest day ever recorded in Az Zuwaytīnah?
The hottest day measured in Az Zuwaytīnah between 1940 and 2025 was 14 June 1969, reaching 38.7 °C.
What is the coldest day in Az Zuwaytīnah?
The coldest day measured in Az Zuwaytīnah between 1940 and 2025 was 26 December 1967, at 3.2 °C.
Does it snow in Az Zuwaytīnah?
Almost never: Az Zuwaytīnah sees virtually no snow, with about 0 frost days per year.
Has the climate of Az Zuwaytīnah warmed?
Yes: Az Zuwaytīnah warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Az Zuwaytīnah?
The wettest day measured in Az Zuwaytīnah between 1940 and 2025 was 5 February 2013, with 32 mm of rain in 24 hours.
What was the windiest day in Az Zuwaytīnah?
The windiest day measured in Az Zuwaytīnah between 1940 and 2025 was 8 February 1996, with winds reaching 80.6 km/h.
What is the warmest month in Az Zuwaytīnah?
The warmest month in Az Zuwaytīnah is August (27.1 °C on average); the coldest is January (14.3 °C).
How much does it rain in Az Zuwaytīnah?
Az Zuwaytīnah receives on average 134 mm of precipitation per year, spread over about 28 rainy days.
Is it sunny in Az Zuwaytīnah?
Az Zuwaytīnah gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Az Zuwaytīnah?
Yes: Az Zuwaytīnah has on average 145 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Az Zuwaytīnah?
In Az Zuwaytīnah, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 23 August 2023, and the lowest was -3.0 °C on 26 December 1967.
Compare Az Zuwaytīnah with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Az Zuwaytīnah