Mecca climate — normals and trends
Mecca (Saudi Arabia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 29.0 °C and it receives 156 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 (34.0 °C on average) and the coldest is January (22.2 °C). Rainfall peaks in January.
Mecca averages 0 frost days, 299 hot days (≥ 30 °C) and 25 rainy days per year.
Mecca has warmed by +3.9 °C between 1940 and 2025, or +0.46 °C per decade. This trend is statistically significant.
The hottest day of the period reached 50.1 °C (on 30 July 2017) and the coldest 6.2 °C (on 3 February 1968).
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
MeccaMecca Region
- coords
- 21.43°, 39.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
29.0°C
Average daily high
35.3°C
Average daily low
23.0°C
Annual rainfall
156mm
Sunshine / day
11.4h
Mean relative humidity
46%
Average peak wind
19.7km/h
Seasonal range
11.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
299 d/yr
Rainy days (≥ 1 mm)
25 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
23.7 °C
Average peak gust
36.5 km/h
Tropical nights (≥ 20 °C)
270 d/yr
Solar radiation
22.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.9 °C
since 1940
+0.5 °C per decade · r² = 0.87 · 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
50.1 °C
30 July 2017
Coldest day
6.2 °C
3 February 1968
Wettest day
92 mm
6 January 2002
Windiest day
55.6 km/h
28 March 1997
Strongest gust
94.7 km/h
28 March 1997
Hottest feels-like
50.4 °C
30 August 2006
Coldest feels-like
2.0 °C
4 January 1973
Sunniest day
13.0 h
6 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 | 29.6 °C | +1.8 °C | 41 mm | +7 mm |
| Feb | 30.6 °C | +1.0 °C | 3 mm | -8 mm |
| Mar | 33.7 °C | +1.1 °C | 37 mm | +24 mm |
| Apr | 37.8 °C | +1.9 °C | 0 mm | -17 mm |
| May | 41.1 °C | +1.9 °C | 1 mm | -7 mm |
| Jun | 43.1 °C | +2.3 °C | 0 mm | -1 mm |
| Jul | 43.0 °C | +2.9 °C | 0 mm | -3 mm |
| Aug | 41.1 °C | +1.3 °C | 5 mm | +1 mm |
| Sep | 41.2 °C | +1.9 °C | 2 mm | -2 mm |
| Oct | 38.8 °C | +2.0 °C | 0 mm | -6 mm |
| Nov | 34.2 °C | +1.7 °C | 18 mm | -6 mm |
| Dec | 30.2 °C | +1.1 °C | 7 mm | -26 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 Mecca?
Mecca has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 29.0 °C and it receives 156 mm of precipitation per year.
What is the hottest day ever recorded in Mecca?
The hottest day measured in Mecca between 1940 and 2025 was 30 July 2017, reaching 50.1 °C.
What is the coldest day in Mecca?
The coldest day measured in Mecca between 1940 and 2025 was 3 February 1968, at 6.2 °C.
Does it snow in Mecca?
Almost never: Mecca sees virtually no snow, with about 0 frost days per year.
Has the climate of Mecca warmed?
Yes: Mecca warmed by +3.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mecca?
The wettest day measured in Mecca between 1940 and 2025 was 6 January 2002, with 92 mm of rain in 24 hours.
What was the windiest day in Mecca?
The windiest day measured in Mecca between 1940 and 2025 was 28 March 1997, with winds reaching 55.6 km/h.
What is the warmest month in Mecca?
The warmest month in Mecca is July (34.0 °C on average); the coldest is January (22.2 °C).
How much does it rain in Mecca?
Mecca receives on average 156 mm of precipitation per year, spread over about 25 rainy days.
Is it sunny in Mecca?
Mecca gets on average 11.4 hours of sunshine per day, roughly 4,161 hours per year over 1940-2025.
Are there tropical nights in Mecca?
Yes: Mecca has on average 270 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mecca?
In Mecca, between 1940 and 2025, the highest apparent temperature reached 50.4 °C on 30 August 2006, and the lowest was 2.0 °C on 4 January 1973.
Compare Mecca with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mecca