Gaziantep climate — normals and trends
Gaziantep (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 448 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 (28.9 °C on average) and the coldest is January (3.8 °C). Rainfall peaks in January.
Gaziantep averages 34 frost days, 118 hot days (≥ 30 °C) and 73 rainy days per year.
Gaziantep 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 45 to 23 per year over the period.
The hottest day of the period reached 43.9 °C (on 14 August 2023) and the coldest -18.5 °C (on 2 February 1967).
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
GaziantepGaziantep
- coords
- 37.06°, 37.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
22.2°C
Average daily low
10.8°C
Annual rainfall
448mm
Sunshine / day
10.5h
Mean relative humidity
57%
Average peak wind
16.0km/h
Seasonal range
25.1°C
Frost days (< 0 °C)
34 d/yr
Hot days (≥ 30 °C)
118 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
24.0 cm
Average feels-like high
20.4 °C
Average feels-like low
8.7 °C
Average peak gust
32.4 km/h
Tropical nights (≥ 20 °C)
61 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.46 · 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
43.9 °C
14 August 2023
Coldest day
-18.5 °C
2 February 1967
Wettest day
65 mm
18 April 1975
Windiest day
42.7 km/h
19 April 1958
Strongest gust
79.6 km/h
12 January 1954
Hottest feels-like
46.8 °C
21 July 1998
Coldest feels-like
-23.5 °C
5 February 1950
Snowiest day
22.4 cm
31 January 1968
Sunniest day
14.3 h
24 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 | 12.8 °C | +5.0 °C | 7 mm | -73 mm |
| Feb | 9.8 °C | -0.2 °C | 44 mm | -22 mm |
| Mar | 20.5 °C | +6.2 °C | 36 mm | -27 mm |
| Apr | 21.4 °C | +1.2 °C | 50 mm | +4 mm |
| May | 29.3 °C | +2.9 °C | 24 mm | -4 mm |
| Jun | 34.8 °C | +2.5 °C | 4 mm | -4 mm |
| Jul | 38.9 °C | +2.7 °C | 4 mm | +2 mm |
| Aug | 38.4 °C | +2.2 °C | 1 mm | -0 mm |
| Sep | 32.8 °C | +0.9 °C | 0 mm | -3 mm |
| Oct | 25.6 °C | +0.7 °C | 16 mm | -11 mm |
| Nov | 20.5 °C | +4.0 °C | 14 mm | -35 mm |
| Dec | 12.5 °C | +2.5 °C | 62 mm | -15 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 Gaziantep?
Gaziantep has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 448 mm of precipitation per year.
What is the hottest day ever recorded in Gaziantep?
The hottest day measured in Gaziantep between 1940 and 2025 was 14 August 2023, reaching 43.9 °C.
What is the coldest day in Gaziantep?
The coldest day measured in Gaziantep between 1940 and 2025 was 2 February 1967, at -18.5 °C.
Does it snow in Gaziantep?
Yes. Gaziantep gets on average 24.0 cm of snow per year and has around 34 frost days.
Has the climate of Gaziantep warmed?
Yes: Gaziantep warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gaziantep?
The wettest day measured in Gaziantep between 1940 and 2025 was 18 April 1975, with 65 mm of rain in 24 hours.
What was the windiest day in Gaziantep?
The windiest day measured in Gaziantep between 1940 and 2025 was 19 April 1958, with winds reaching 42.7 km/h.
What is the warmest month in Gaziantep?
The warmest month in Gaziantep is July (28.9 °C on average); the coldest is January (3.8 °C).
How much does it rain in Gaziantep?
Gaziantep receives on average 448 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Gaziantep?
Gaziantep gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gaziantep?
The heaviest 24-hour snowfall measured in Gaziantep between 1940 and 2025 was 31 January 1968, with 22.4 cm.
Are there tropical nights in Gaziantep?
Yes: Gaziantep has on average 61 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gaziantep?
In Gaziantep, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 21 July 1998, and the lowest was -23.5 °C on 5 February 1950.
Compare Gaziantep with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gaziantep