Zeytinburnu climate — normals and trends
Zeytinburnu (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.5 °C and it receives 697 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 August (23.8 °C on average) and the coldest is January (6.2 °C). Rainfall peaks in December.
Zeytinburnu averages 5 frost days, 3 hot days (≥ 30 °C) and 105 rainy days per year.
Zeytinburnu has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 8 to 2 per year over the period.
The hottest day of the period reached 34.4 °C (on 23 July 2025) and the coldest -7.3 °C (on 5 January 1942).
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
ZeytinburnuIstanbul
- coords
- 40.99°, 28.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.5°C
Average daily high
16.8°C
Average daily low
12.5°C
Annual rainfall
697mm
Sunshine / day
9.5h
Mean relative humidity
76%
Average peak wind
21.4km/h
Seasonal range
17.6°C
Frost days (< 0 °C)
5 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
105 d/yr
Annual snowfall
28.9 cm
Average feels-like high
15.7 °C
Average feels-like low
10.6 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
65 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.42 · 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
34.4 °C
23 July 2025
Coldest day
-7.3 °C
5 January 1942
Wettest day
81 mm
18 December 1963
Windiest day
55.4 km/h
22 January 2004
Strongest gust
101.2 km/h
22 November 2008
Hottest feels-like
37.8 °C
12 August 2010
Coldest feels-like
-12.5 °C
8 February 1976
Snowiest day
28.8 cm
11 January 1968
Sunniest day
14.1 h
9 July 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 | 10.9 °C | +3.0 °C | 84 mm | -8 mm |
| Feb | 6.7 °C | -1.5 °C | 99 mm | +22 mm |
| Mar | 13.3 °C | +3.3 °C | 24 mm | -47 mm |
| Apr | 13.5 °C | -0.6 °C | 44 mm | -5 mm |
| May | 19.6 °C | +0.7 °C | 32 mm | -2 mm |
| Jun | 25.8 °C | +1.9 °C | 1 mm | -31 mm |
| Jul | 29.3 °C | +2.9 °C | 1 mm | -23 mm |
| Aug | 27.5 °C | +1.0 °C | 4 mm | -19 mm |
| Sep | 24.3 °C | +1.0 °C | 31 mm | -11 mm |
| Oct | 19.0 °C | +0.4 °C | 156 mm | +89 mm |
| Nov | 17.6 °C | +3.4 °C | 51 mm | -31 mm |
| Dec | 11.7 °C | +1.5 °C | 80 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 Zeytinburnu?
Zeytinburnu has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 697 mm of precipitation per year.
What is the hottest day ever recorded in Zeytinburnu?
The hottest day measured in Zeytinburnu between 1940 and 2025 was 23 July 2025, reaching 34.4 °C.
What is the coldest day in Zeytinburnu?
The coldest day measured in Zeytinburnu between 1940 and 2025 was 5 January 1942, at -7.3 °C.
Does it snow in Zeytinburnu?
Yes. Zeytinburnu gets on average 28.9 cm of snow per year and has around 5 frost days.
Has the climate of Zeytinburnu warmed?
Yes: Zeytinburnu warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zeytinburnu?
The wettest day measured in Zeytinburnu between 1940 and 2025 was 18 December 1963, with 81 mm of rain in 24 hours.
What was the windiest day in Zeytinburnu?
The windiest day measured in Zeytinburnu between 1940 and 2025 was 22 January 2004, with winds reaching 55.4 km/h.
What is the warmest month in Zeytinburnu?
The warmest month in Zeytinburnu is August (23.8 °C on average); the coldest is January (6.2 °C).
How much does it rain in Zeytinburnu?
Zeytinburnu receives on average 697 mm of precipitation per year, spread over about 105 rainy days.
Is it sunny in Zeytinburnu?
Zeytinburnu gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zeytinburnu?
The heaviest 24-hour snowfall measured in Zeytinburnu between 1940 and 2025 was 11 January 1968, with 28.8 cm.
Are there tropical nights in Zeytinburnu?
Yes: Zeytinburnu has on average 65 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zeytinburnu?
In Zeytinburnu, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 12 August 2010, and the lowest was -12.5 °C on 8 February 1976.
Compare Zeytinburnu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zeytinburnu