Erdemli climate — normals and trends
Erdemli (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 616 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 (26.3 °C on average) and the coldest is January (9.8 °C). Rainfall peaks in December.
Erdemli averages 0 frost days, 5 hot days (≥ 30 °C) and 97 rainy days per year.
Erdemli has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.3 °C (on 9 August 2025) and the coldest -3.0 °C (on 6 February 1950).
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
ErdemliMersin
- coords
- 36.60°, 34.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.9°C
Average daily high
19.7°C
Average daily low
16.1°C
Annual rainfall
616mm
Sunshine / day
10.9h
Mean relative humidity
69%
Average peak wind
15.8km/h
Seasonal range
16.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
97 d/yr
Annual snowfall
14.2 cm
Average feels-like high
20.2 °C
Average feels-like low
15.3 °C
Average peak gust
27.6 km/h
Tropical nights (≥ 20 °C)
125 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
35.3 °C
9 August 2025
Coldest day
-3.0 °C
6 February 1950
Wettest day
122 mm
26 December 1968
Windiest day
49.8 km/h
13 January 1968
Strongest gust
82.4 km/h
13 January 1968
Hottest feels-like
41.3 °C
9 August 2025
Coldest feels-like
-9.5 °C
5 February 1950
Snowiest day
16.1 cm
9 January 1989
Sunniest day
14.0 h
25 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 | 14.3 °C | +3.0 °C | 11 mm | -101 mm |
| Feb | 10.8 °C | -1.1 °C | 72 mm | -4 mm |
| Mar | 17.0 °C | +2.8 °C | 13 mm | -41 mm |
| Apr | 17.8 °C | +0.3 °C | 30 mm | -9 mm |
| May | 22.2 °C | +1.0 °C | 44 mm | +7 mm |
| Jun | 26.4 °C | +1.6 °C | 8 mm | -18 mm |
| Jul | 29.0 °C | +1.4 °C | 7 mm | -4 mm |
| Aug | 29.7 °C | +1.5 °C | 10 mm | -1 mm |
| Sep | 27.4 °C | +1.2 °C | 13 mm | -4 mm |
| Oct | 23.0 °C | +0.3 °C | 28 mm | -15 mm |
| Nov | 21.3 °C | +3.6 °C | 43 mm | -26 mm |
| Dec | 14.8 °C | +1.6 °C | 131 mm | +7 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 Erdemli?
Erdemli has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 616 mm of precipitation per year.
What is the hottest day ever recorded in Erdemli?
The hottest day measured in Erdemli between 1940 and 2025 was 9 August 2025, reaching 35.3 °C.
What is the coldest day in Erdemli?
The coldest day measured in Erdemli between 1940 and 2025 was 6 February 1950, at -3.0 °C.
Does it snow in Erdemli?
Yes. Erdemli gets on average 14.2 cm of snow per year and has around 0 frost days.
Has the climate of Erdemli warmed?
Yes: Erdemli warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Erdemli?
The wettest day measured in Erdemli between 1940 and 2025 was 26 December 1968, with 122 mm of rain in 24 hours.
What was the windiest day in Erdemli?
The windiest day measured in Erdemli between 1940 and 2025 was 13 January 1968, with winds reaching 49.8 km/h.
What is the warmest month in Erdemli?
The warmest month in Erdemli is August (26.3 °C on average); the coldest is January (9.8 °C).
How much does it rain in Erdemli?
Erdemli receives on average 616 mm of precipitation per year, spread over about 97 rainy days.
Is it sunny in Erdemli?
Erdemli gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Erdemli?
The heaviest 24-hour snowfall measured in Erdemli between 1940 and 2025 was 9 January 1989, with 16.1 cm.
Are there tropical nights in Erdemli?
Yes: Erdemli has on average 125 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Erdemli?
In Erdemli, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 9 August 2025, and the lowest was -9.5 °C on 5 February 1950.
Compare Erdemli with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Erdemli