Susurluk climate — normals and trends
Susurluk (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 607 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 (24.1 °C on average) and the coldest is January (5.2 °C). Rainfall peaks in December.
Susurluk averages 31 frost days, 37 hot days (≥ 30 °C) and 92 rainy days per year.
Susurluk has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 41 to 21 per year over the period.
The hottest day of the period reached 42.6 °C (on 21 August 1945) and the coldest -21.5 °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
SusurlukBalıkesir
- coords
- 39.91°, 28.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.5°C
Average daily high
19.4°C
Average daily low
10.1°C
Annual rainfall
607mm
Sunshine / day
9.5h
Mean relative humidity
73%
Average peak wind
15.8km/h
Seasonal range
18.9°C
Frost days (< 0 °C)
31 d/yr
Hot days (≥ 30 °C)
37 d/yr
Rainy days (≥ 1 mm)
92 d/yr
Annual snowfall
40.7 cm
Average feels-like high
18.4 °C
Average feels-like low
8.8 °C
Average peak gust
37.1 km/h
Tropical nights (≥ 20 °C)
23 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.51 · 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
42.6 °C
21 August 1945
Coldest day
-21.5 °C
5 January 1942
Wettest day
67 mm
30 January 1945
Windiest day
46.7 km/h
17 October 1958
Strongest gust
114.5 km/h
10 March 1958
Hottest feels-like
42.8 °C
28 June 1982
Coldest feels-like
-26.4 °C
5 January 1942
Snowiest day
29.5 cm
3 February 1965
Sunniest day
14.2 h
29 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 13.1 °C | +4.0 °C | 58 mm | -28 mm |
| Feb | 8.4 °C | -2.0 °C | 64 mm | -11 mm |
| Mar | 18.1 °C | +5.1 °C | 31 mm | -39 mm |
| Apr | 16.6 °C | -1.2 °C | 35 mm | -18 mm |
| May | 24.1 °C | +1.5 °C | 39 mm | -1 mm |
| Jun | 28.9 °C | +1.8 °C | 0 mm | -28 mm |
| Jul | 32.9 °C | +3.6 °C | 0 mm | -16 mm |
| Aug | 31.0 °C | +1.6 °C | 3 mm | -10 mm |
| Sep | 26.7 °C | +0.7 °C | 20 mm | -7 mm |
| Oct | 21.2 °C | +0.3 °C | 74 mm | +28 mm |
| Nov | 19.7 °C | +3.7 °C | 39 mm | -26 mm |
| Dec | 11.7 °C | +0.5 °C | 46 mm | -44 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 Susurluk?
Susurluk has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.5 °C and it receives 607 mm of precipitation per year.
What is the hottest day ever recorded in Susurluk?
The hottest day measured in Susurluk between 1940 and 2025 was 21 August 1945, reaching 42.6 °C.
What is the coldest day in Susurluk?
The coldest day measured in Susurluk between 1940 and 2025 was 5 January 1942, at -21.5 °C.
Does it snow in Susurluk?
Yes. Susurluk gets on average 40.7 cm of snow per year and has around 31 frost days.
Has the climate of Susurluk warmed?
Yes: Susurluk warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Susurluk?
The wettest day measured in Susurluk between 1940 and 2025 was 30 January 1945, with 67 mm of rain in 24 hours.
What was the windiest day in Susurluk?
The windiest day measured in Susurluk between 1940 and 2025 was 17 October 1958, with winds reaching 46.7 km/h.
What is the warmest month in Susurluk?
The warmest month in Susurluk is July (24.1 °C on average); the coldest is January (5.2 °C).
How much does it rain in Susurluk?
Susurluk receives on average 607 mm of precipitation per year, spread over about 92 rainy days.
Is it sunny in Susurluk?
Susurluk 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 Susurluk?
The heaviest 24-hour snowfall measured in Susurluk between 1940 and 2025 was 3 February 1965, with 29.5 cm.
Are there tropical nights in Susurluk?
Yes: Susurluk has on average 23 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Susurluk?
In Susurluk, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 28 June 1982, and the lowest was -26.4 °C on 5 January 1942.
Compare Susurluk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Susurluk