Sürmene climate — normals and trends
Sürmene (Republic of Türkiye) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.8 °C and it receives 1,880 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 (22.1 °C on average) and the coldest is February (5.9 °C). Rainfall peaks in October.
Sürmene averages 9 frost days, 0 hot days (≥ 30 °C) and 195 rainy days per year.
Sürmene has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 13 to 5 per year over the period.
The hottest day of the period reached 31.7 °C (on 1 September 2010) and the coldest -6.9 °C (on 22 February 1985).
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
SürmeneTrabzon
- coords
- 40.91°, 40.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.8°C
Average daily high
16.1°C
Average daily low
11.7°C
Annual rainfall
1,880mm
Sunshine / day
9.0h
Mean relative humidity
79%
Average peak wind
12.4km/h
Seasonal range
16.2°C
Frost days (< 0 °C)
9 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
195 d/yr
Annual snowfall
106.3 cm
Average feels-like high
16.1 °C
Average feels-like low
10.7 °C
Average peak gust
25.9 km/h
Tropical nights (≥ 20 °C)
40 d/yr
Solar radiation
13.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
31.7 °C
1 September 2010
Coldest day
-6.9 °C
22 February 1985
Wettest day
179 mm
4 September 1968
Windiest day
226.5 km/h
27 January 2001
Strongest gust
265.0 km/h
27 January 2001
Hottest feels-like
39.3 °C
30 July 2000
Coldest feels-like
-33.3 °C
27 January 2001
Snowiest day
22.2 cm
14 January 1968
Sunniest day
14.8 h
3 July 2023
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 | 11.5 °C | +3.0 °C | 104 mm | -34 mm |
| Feb | 6.3 °C | -2.1 °C | 155 mm | +34 mm |
| Mar | 14.6 °C | +4.6 °C | 104 mm | -30 mm |
| Apr | 13.6 °C | -0.5 °C | 196 mm | +67 mm |
| May | 18.8 °C | +1.0 °C | 132 mm | -19 mm |
| Jun | 21.3 °C | -0.1 °C | 90 mm | -47 mm |
| Jul | 25.3 °C | +1.8 °C | 101 mm | -29 mm |
| Aug | 25.4 °C | +1.5 °C | 71 mm | -85 mm |
| Sep | 21.7 °C | +0.2 °C | 287 mm | +71 mm |
| Oct | 19.1 °C | +0.7 °C | 237 mm | -4 mm |
| Nov | 18.7 °C | +3.8 °C | 88 mm | -93 mm |
| Dec | 11.8 °C | +0.9 °C | 192 mm | +47 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 Sürmene?
Sürmene has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.8 °C and it receives 1,880 mm of precipitation per year.
What is the hottest day ever recorded in Sürmene?
The hottest day measured in Sürmene between 1940 and 2025 was 1 September 2010, reaching 31.7 °C.
What is the coldest day in Sürmene?
The coldest day measured in Sürmene between 1940 and 2025 was 22 February 1985, at -6.9 °C.
Does it snow in Sürmene?
Yes. Sürmene gets on average 106.3 cm of snow per year and has around 9 frost days.
Has the climate of Sürmene warmed?
Yes: Sürmene warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sürmene?
The wettest day measured in Sürmene between 1940 and 2025 was 4 September 1968, with 179 mm of rain in 24 hours.
What was the windiest day in Sürmene?
The windiest day measured in Sürmene between 1940 and 2025 was 27 January 2001, with winds reaching 226.5 km/h.
What is the warmest month in Sürmene?
The warmest month in Sürmene is August (22.1 °C on average); the coldest is February (5.9 °C).
How much does it rain in Sürmene?
Sürmene receives on average 1,880 mm of precipitation per year, spread over about 195 rainy days.
Is it sunny in Sürmene?
Sürmene gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sürmene?
The heaviest 24-hour snowfall measured in Sürmene between 1940 and 2025 was 14 January 1968, with 22.2 cm.
Are there tropical nights in Sürmene?
Yes: Sürmene has on average 40 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sürmene?
In Sürmene, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 30 July 2000, and the lowest was -33.3 °C on 27 January 2001.
Compare Sürmene with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sürmene