Arar climate — normals and trends
Arar (Saudi Arabia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.3 °C and it receives 58 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 (32.9 °C on average) and the coldest is January (8.3 °C). Rainfall peaks in December.
Arar averages 10 frost days, 175 hot days (≥ 30 °C) and 13 rainy days per year.
Arar has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 17 to 3 per year over the period.
The hottest day of the period reached 47.2 °C (on 29 July 2020) and the coldest -11.8 °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
ArarNorthern Borders Region
- coords
- 30.98°, 41.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.3°C
Average daily high
27.9°C
Average daily low
14.7°C
Annual rainfall
58mm
Sunshine / day
11.3h
Mean relative humidity
36%
Average peak wind
20.7km/h
Seasonal range
24.6°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
175 d/yr
Rainy days (≥ 1 mm)
13 d/yr
Annual snowfall
0.2 cm
Average feels-like high
25.4 °C
Average feels-like low
10.9 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
132 d/yr
Solar radiation
21.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °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
47.2 °C
29 July 2020
Coldest day
-11.8 °C
20 January 1964
Wettest day
26 mm
16 February 2018
Windiest day
69.0 km/h
25 March 2003
Strongest gust
102.2 km/h
25 March 2003
Hottest feels-like
48.0 °C
2 August 2011
Coldest feels-like
-17.3 °C
20 January 1964
Snowiest day
6.0 cm
10 January 2008
Sunniest day
13.2 h
10 June 2025
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 | 15.8 °C | +1.6 °C | 5 mm | -4 mm |
| Feb | 15.2 °C | -1.7 °C | 6 mm | -2 mm |
| Mar | 22.1 °C | +0.5 °C | 40 mm | +31 mm |
| Apr | 29.6 °C | +2.0 °C | 3 mm | -4 mm |
| May | 35.9 °C | +2.5 °C | 0 mm | -2 mm |
| Jun | 39.9 °C | +2.2 °C | 0 mm | 0 mm |
| Jul | 40.7 °C | +1.0 °C | 0 mm | 0 mm |
| Aug | 41.6 °C | +1.8 °C | 0 mm | 0 mm |
| Sep | 37.5 °C | +0.8 °C | 0 mm | 0 mm |
| Oct | 32.3 °C | +2.1 °C | 0 mm | -3 mm |
| Nov | 25.5 °C | +4.3 °C | 0 mm | -9 mm |
| Dec | 16.8 °C | +1.2 °C | 16 mm | +6 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 Arar?
Arar has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 58 mm of precipitation per year.
What is the hottest day ever recorded in Arar?
The hottest day measured in Arar between 1940 and 2025 was 29 July 2020, reaching 47.2 °C.
What is the coldest day in Arar?
The coldest day measured in Arar between 1940 and 2025 was 20 January 1964, at -11.8 °C.
Does it snow in Arar?
Almost never: Arar sees virtually no snow, with about 10 frost days per year.
Has the climate of Arar warmed?
Yes: Arar warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arar?
The wettest day measured in Arar between 1940 and 2025 was 16 February 2018, with 26 mm of rain in 24 hours.
What was the windiest day in Arar?
The windiest day measured in Arar between 1940 and 2025 was 25 March 2003, with winds reaching 69.0 km/h.
What is the warmest month in Arar?
The warmest month in Arar is July (32.9 °C on average); the coldest is January (8.3 °C).
How much does it rain in Arar?
Arar receives on average 58 mm of precipitation per year, spread over about 13 rainy days.
Is it sunny in Arar?
Arar gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
What is the biggest single-day snowfall in Arar?
The heaviest 24-hour snowfall measured in Arar between 1940 and 2025 was 10 January 2008, with 6.0 cm.
Are there tropical nights in Arar?
Yes: Arar has on average 132 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arar?
In Arar, between 1940 and 2025, the highest apparent temperature reached 48.0 °C on 2 August 2011, and the lowest was -17.3 °C on 20 January 1964.
Compare Arar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arar