Al Hilāliyya climate — normals and trends
Al Hilāliyya (Sudan) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 29.6 °C and it receives 221 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 May (33.8 °C on average) and the coldest is January (24.2 °C). Rainfall peaks in August.
Al Hilāliyya averages 0 frost days, 342 hot days (≥ 30 °C) and 45 rainy days per year.
Al Hilāliyya has warmed by +3.2 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The hottest day of the period reached 47.1 °C (on 8 May 2004) and the coldest 8.6 °C (on 25 December 1971).
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 HilāliyyaAl Jazirah
- coords
- 14.94°, 33.23°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
29.6°C
Average daily high
36.7°C
Average daily low
23.8°C
Annual rainfall
221mm
Sunshine / day
11.2h
Mean relative humidity
34%
Average peak wind
18.0km/h
Seasonal range
9.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
342 d/yr
Rainy days (≥ 1 mm)
45 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.8 °C
Average feels-like low
22.5 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
296 d/yr
Solar radiation
22.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.2 °C
since 1940
+0.4 °C per decade · r² = 0.66 · 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
47.1 °C
8 May 2004
Coldest day
8.6 °C
25 December 1971
Wettest day
49 mm
25 July 1950
Windiest day
43.9 km/h
14 June 1967
Strongest gust
81.0 km/h
14 June 1967
Hottest feels-like
48.5 °C
7 May 1953
Coldest feels-like
3.6 °C
4 January 1992
Sunniest day
12.5 h
16 May 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 | 33.3 °C | +1.4 °C | 0 mm | 0 mm |
| Feb | 35.9 °C | +2.0 °C | 0 mm | 0 mm |
| Mar | 37.8 °C | +0.5 °C | 0 mm | -0 mm |
| Apr | 42.2 °C | +1.8 °C | 0 mm | -2 mm |
| May | 42.7 °C | +1.8 °C | 0 mm | -19 mm |
| Jun | 42.3 °C | +2.5 °C | 0 mm | -20 mm |
| Jul | 38.2 °C | +1.4 °C | 18 mm | -36 mm |
| Aug | 36.1 °C | +0.5 °C | 42 mm | -15 mm |
| Sep | 39.1 °C | +2.1 °C | 14 mm | -22 mm |
| Oct | 39.2 °C | +1.3 °C | 3 mm | -25 mm |
| Nov | 37.8 °C | +2.0 °C | 0 mm | -4 mm |
| Dec | 33.9 °C | +1.2 °C | 0 mm | -0 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 Hilāliyya?
Al Hilāliyya has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 29.6 °C and it receives 221 mm of precipitation per year.
What is the hottest day ever recorded in Al Hilāliyya?
The hottest day measured in Al Hilāliyya between 1940 and 2025 was 8 May 2004, reaching 47.1 °C.
What is the coldest day in Al Hilāliyya?
The coldest day measured in Al Hilāliyya between 1940 and 2025 was 25 December 1971, at 8.6 °C.
Does it snow in Al Hilāliyya?
Almost never: Al Hilāliyya sees virtually no snow, with about 0 frost days per year.
Has the climate of Al Hilāliyya warmed?
Yes: Al Hilāliyya warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Al Hilāliyya?
The wettest day measured in Al Hilāliyya between 1940 and 2025 was 25 July 1950, with 49 mm of rain in 24 hours.
What was the windiest day in Al Hilāliyya?
The windiest day measured in Al Hilāliyya between 1940 and 2025 was 14 June 1967, with winds reaching 43.9 km/h.
What is the warmest month in Al Hilāliyya?
The warmest month in Al Hilāliyya is May (33.8 °C on average); the coldest is January (24.2 °C).
How much does it rain in Al Hilāliyya?
Al Hilāliyya receives on average 221 mm of precipitation per year, spread over about 45 rainy days.
Is it sunny in Al Hilāliyya?
Al Hilāliyya gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Al Hilāliyya?
Yes: Al Hilāliyya has on average 296 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Al Hilāliyya?
In Al Hilāliyya, between 1940 and 2025, the highest apparent temperature reached 48.5 °C on 7 May 1953, and the lowest was 3.6 °C on 4 January 1992.
Compare Al Hilāliyya with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Al Hilāliyya