Al Ḩayy climate — normals and trends
Al Ḩayy (Iraq) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 153 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 (38.6 °C on average) and the coldest is January (11.8 °C). Rainfall peaks in December.
Al Ḩayy averages 1 frost days, 210 hot days (≥ 30 °C) and 25 rainy days per year.
Al Ḩayy has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 2 to 0 per year over the period.
The hottest day of the period reached 52.6 °C (on 19 August 1998) and the coldest -4.9 °C (on 20 January 1964).
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
Al ḨayyWasit Governorate
- coords
- 32.17°, 46.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
32.5°C
Average daily low
19.6°C
Annual rainfall
153mm
Sunshine / day
11.2h
Mean relative humidity
36%
Average peak wind
22.9km/h
Seasonal range
26.8°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
210 d/yr
Rainy days (≥ 1 mm)
25 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.7 °C
Average feels-like low
16.5 °C
Average peak gust
38.6 km/h
Tropical nights (≥ 20 °C)
184 d/yr
Solar radiation
20.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.45 · 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
52.6 °C
19 August 1998
Coldest day
-4.9 °C
20 January 1964
Wettest day
46 mm
10 November 1967
Windiest day
55.9 km/h
25 March 2003
Strongest gust
87.5 km/h
30 January 1992
Hottest feels-like
54.4 °C
26 July 2020
Coldest feels-like
-10.8 °C
20 January 1964
Snowiest day
0.1 cm
11 February 2020
Sunniest day
14.0 h
20 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 | 19.9 °C | +2.7 °C | 9 mm | -19 mm |
| Feb | 18.7 °C | -1.5 °C | 7 mm | -14 mm |
| Mar | 26.6 °C | +1.3 °C | 40 mm | +15 mm |
| Apr | 34.4 °C | +2.5 °C | 10 mm | -6 mm |
| May | 42.3 °C | +3.7 °C | 4 mm | -3 mm |
| Jun | 45.3 °C | +1.9 °C | 0 mm | -0 mm |
| Jul | 47.2 °C | +1.5 °C | 0 mm | 0 mm |
| Aug | 47.9 °C | +2.4 °C | 0 mm | 0 mm |
| Sep | 42.3 °C | +0.2 °C | 0 mm | -0 mm |
| Oct | 36.9 °C | +1.5 °C | 0 mm | -4 mm |
| Nov | 29.2 °C | +3.5 °C | 10 mm | -15 mm |
| Dec | 19.5 °C | +0.5 °C | 77 mm | +48 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 Al Ḩayy?
Al Ḩayy has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 153 mm of precipitation per year.
What is the hottest day ever recorded in Al Ḩayy?
The hottest day measured in Al Ḩayy between 1940 and 2025 was 19 August 1998, reaching 52.6 °C.
What is the coldest day in Al Ḩayy?
The coldest day measured in Al Ḩayy between 1940 and 2025 was 20 January 1964, at -4.9 °C.
Does it snow in Al Ḩayy?
Almost never: Al Ḩayy sees virtually no snow, with about 1 frost days per year.
Has the climate of Al Ḩayy warmed?
Yes: Al Ḩayy warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Al Ḩayy?
The wettest day measured in Al Ḩayy between 1940 and 2025 was 10 November 1967, with 46 mm of rain in 24 hours.
What was the windiest day in Al Ḩayy?
The windiest day measured in Al Ḩayy between 1940 and 2025 was 25 March 2003, with winds reaching 55.9 km/h.
What is the warmest month in Al Ḩayy?
The warmest month in Al Ḩayy is July (38.6 °C on average); the coldest is January (11.8 °C).
How much does it rain in Al Ḩayy?
Al Ḩayy receives on average 153 mm of precipitation per year, spread over about 25 rainy days.
Is it sunny in Al Ḩayy?
Al Ḩayy gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Al Ḩayy?
The heaviest 24-hour snowfall measured in Al Ḩayy between 1940 and 2025 was 11 February 2020, with 0.1 cm.
Are there tropical nights in Al Ḩayy?
Yes: Al Ḩayy has on average 184 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Al Ḩayy?
In Al Ḩayy, between 1940 and 2025, the highest apparent temperature reached 54.4 °C on 26 July 2020, and the lowest was -10.8 °C on 20 January 1964.
Compare Al Ḩayy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Al Ḩayy