Samsun climate — normals and trends
Samsun (Republic of Türkiye) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 873 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 (21.3 °C on average) and the coldest is January (3.8 °C). Rainfall peaks in December.
Samsun averages 33 frost days, 1 hot days (≥ 30 °C) and 137 rainy days per year.
Samsun has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 48 to 18 per year over the period.
The hottest day of the period reached 35.1 °C (on 12 July 1969) and the coldest -12.8 °C (on 6 February 1960).
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
SamsunSamsun
- coords
- 41.28°, 36.34°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
16.0°C
Average daily low
9.2°C
Annual rainfall
873mm
Sunshine / day
9.3h
Mean relative humidity
79%
Average peak wind
13.8km/h
Seasonal range
17.5°C
Frost days (< 0 °C)
33 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
88.9 cm
Average feels-like high
15.3 °C
Average feels-like low
7.7 °C
Average peak gust
29.5 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
14.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °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
35.1 °C
12 July 1969
Coldest day
-12.8 °C
6 February 1960
Wettest day
61 mm
9 January 1958
Windiest day
39.8 km/h
24 December 1947
Strongest gust
97.6 km/h
25 November 2001
Hottest feels-like
39.5 °C
30 July 2000
Coldest feels-like
-19.1 °C
6 February 1960
Snowiest day
25.1 cm
9 January 1958
Sunniest day
14.9 h
14 June 1941
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 | 11.0 °C | +4.1 °C | 52 mm | -33 mm |
| Feb | 4.7 °C | -3.0 °C | 151 mm | +74 mm |
| Mar | 14.0 °C | +4.1 °C | 59 mm | -32 mm |
| Apr | 12.3 °C | -2.0 °C | 120 mm | +32 mm |
| May | 18.2 °C | 0.0 °C | 58 mm | -18 mm |
| Jun | 22.3 °C | +0.1 °C | 10 mm | -47 mm |
| Jul | 26.5 °C | +1.9 °C | 34 mm | -2 mm |
| Aug | 26.3 °C | +1.3 °C | 20 mm | -19 mm |
| Sep | 21.8 °C | -0.1 °C | 49 mm | -13 mm |
| Oct | 19.0 °C | +1.1 °C | 109 mm | +20 mm |
| Nov | 17.6 °C | +3.8 °C | 41 mm | -45 mm |
| Dec | 10.4 °C | +1.1 °C | 104 mm | +14 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 Samsun?
Samsun has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 873 mm of precipitation per year.
What is the hottest day ever recorded in Samsun?
The hottest day measured in Samsun between 1940 and 2025 was 12 July 1969, reaching 35.1 °C.
What is the coldest day in Samsun?
The coldest day measured in Samsun between 1940 and 2025 was 6 February 1960, at -12.8 °C.
Does it snow in Samsun?
Yes. Samsun gets on average 88.9 cm of snow per year and has around 33 frost days.
Has the climate of Samsun warmed?
Yes: Samsun warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Samsun?
The wettest day measured in Samsun between 1940 and 2025 was 9 January 1958, with 61 mm of rain in 24 hours.
What was the windiest day in Samsun?
The windiest day measured in Samsun between 1940 and 2025 was 24 December 1947, with winds reaching 39.8 km/h.
What is the warmest month in Samsun?
The warmest month in Samsun is August (21.3 °C on average); the coldest is January (3.8 °C).
How much does it rain in Samsun?
Samsun receives on average 873 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Samsun?
Samsun gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Samsun?
The heaviest 24-hour snowfall measured in Samsun between 1940 and 2025 was 9 January 1958, with 25.1 cm.
Are there tropical nights in Samsun?
Yes: Samsun has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Samsun?
In Samsun, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 30 July 2000, and the lowest was -19.1 °C on 6 February 1960.
Compare Samsun with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Samsun