Diyarbakır climate — normals and trends
Diyarbakır (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 662 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 (30.5 °C on average) and the coldest is January (1.8 °C). Rainfall peaks in March.
Diyarbakır averages 60 frost days, 119 hot days (≥ 30 °C) and 86 rainy days per year.
Diyarbakır has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 75 to 45 per year over the period.
The hottest day of the period reached 45.1 °C (on 24 July 2025) and the coldest -23.3 °C (on 20 January 1972).
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
DiyarbakırDiyarbakır Province
- coords
- 37.91°, 40.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
22.0°C
Average daily low
9.6°C
Annual rainfall
662mm
Sunshine / day
10.4h
Mean relative humidity
54%
Average peak wind
11.0km/h
Seasonal range
28.7°C
Frost days (< 0 °C)
60 d/yr
Hot days (≥ 30 °C)
119 d/yr
Rainy days (≥ 1 mm)
86 d/yr
Annual snowfall
43.4 cm
Average feels-like high
20.8 °C
Average feels-like low
7.2 °C
Average peak gust
26.5 km/h
Tropical nights (≥ 20 °C)
64 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.39 · 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
45.1 °C
24 July 2025
Coldest day
-23.3 °C
20 January 1972
Wettest day
54 mm
23 March 1991
Windiest day
35.7 km/h
25 January 1950
Strongest gust
81.0 km/h
7 October 1971
Hottest feels-like
46.2 °C
24 July 2025
Coldest feels-like
-28.4 °C
20 January 1972
Snowiest day
31.7 cm
18 December 1951
Sunniest day
14.3 h
1 July 2000
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 | 10.9 °C | +4.3 °C | 5 mm | -92 mm |
| Feb | 8.8 °C | 0.0 °C | 69 mm | -21 mm |
| Mar | 19.3 °C | +5.6 °C | 40 mm | -64 mm |
| Apr | 21.2 °C | +1.7 °C | 79 mm | -14 mm |
| May | 29.0 °C | +3.5 °C | 56 mm | -2 mm |
| Jun | 35.6 °C | +3.1 °C | 2 mm | -7 mm |
| Jul | 40.2 °C | +2.6 °C | 0 mm | -1 mm |
| Aug | 40.3 °C | +2.7 °C | 0 mm | -1 mm |
| Sep | 33.7 °C | +0.8 °C | 2 mm | -4 mm |
| Oct | 26.3 °C | +1.4 °C | 29 mm | -15 mm |
| Nov | 19.5 °C | +3.6 °C | 53 mm | -15 mm |
| Dec | 11.0 °C | +2.1 °C | 92 mm | +1 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 Diyarbakır?
Diyarbakır has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 662 mm of precipitation per year.
What is the hottest day ever recorded in Diyarbakır?
The hottest day measured in Diyarbakır between 1940 and 2025 was 24 July 2025, reaching 45.1 °C.
What is the coldest day in Diyarbakır?
The coldest day measured in Diyarbakır between 1940 and 2025 was 20 January 1972, at -23.3 °C.
Does it snow in Diyarbakır?
Yes. Diyarbakır gets on average 43.4 cm of snow per year and has around 60 frost days.
Has the climate of Diyarbakır warmed?
Yes: Diyarbakır warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Diyarbakır?
The wettest day measured in Diyarbakır between 1940 and 2025 was 23 March 1991, with 54 mm of rain in 24 hours.
What was the windiest day in Diyarbakır?
The windiest day measured in Diyarbakır between 1940 and 2025 was 25 January 1950, with winds reaching 35.7 km/h.
What is the warmest month in Diyarbakır?
The warmest month in Diyarbakır is July (30.5 °C on average); the coldest is January (1.8 °C).
How much does it rain in Diyarbakır?
Diyarbakır receives on average 662 mm of precipitation per year, spread over about 86 rainy days.
Is it sunny in Diyarbakır?
Diyarbakır gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Diyarbakır?
The heaviest 24-hour snowfall measured in Diyarbakır between 1940 and 2025 was 18 December 1951, with 31.7 cm.
Are there tropical nights in Diyarbakır?
Yes: Diyarbakır has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Diyarbakır?
In Diyarbakır, between 1940 and 2025, the highest apparent temperature reached 46.2 °C on 24 July 2025, and the lowest was -28.4 °C on 20 January 1972.
Compare Diyarbakır with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Diyarbakır