Osmancık climate — normals and trends
Osmancık (Republic of Türkiye) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.2 °C and it receives 645 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 (20.5 °C on average) and the coldest is January (-0.9 °C). Rainfall peaks in May.
Osmancık averages 98 frost days, 16 hot days (≥ 30 °C) and 116 rainy days per year.
Osmancık has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 116 to 80 per year over the period.
The hottest day of the period reached 40.8 °C (on 29 July 2025) and the coldest -27.2 °C (on 5 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
OsmancıkÇorum
- coords
- 40.98°, 34.80°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.2°C
Average daily high
15.6°C
Average daily low
5.1°C
Annual rainfall
645mm
Sunshine / day
9.6h
Mean relative humidity
70%
Average peak wind
10.1km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
98 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
116 d/yr
Annual snowfall
99.7 cm
Average feels-like high
13.8 °C
Average feels-like low
3.1 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
40.8 °C
29 July 2025
Coldest day
-27.2 °C
5 February 1960
Wettest day
59 mm
11 December 2010
Windiest day
30.3 km/h
9 October 2003
Strongest gust
106.9 km/h
9 October 2003
Hottest feels-like
42.1 °C
30 July 2000
Coldest feels-like
-32.3 °C
5 February 1960
Snowiest day
40.8 cm
11 December 2010
Sunniest day
14.6 h
17 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 | 7.7 °C | +4.7 °C | 39 mm | -16 mm |
| Feb | 3.7 °C | -1.2 °C | 56 mm | +6 mm |
| Mar | 15.9 °C | +6.8 °C | 31 mm | -35 mm |
| Apr | 14.1 °C | -1.0 °C | 106 mm | +24 mm |
| May | 21.5 °C | +1.9 °C | 89 mm | -4 mm |
| Jun | 25.9 °C | +2.3 °C | 4 mm | -62 mm |
| Jul | 31.4 °C | +4.6 °C | 3 mm | -22 mm |
| Aug | 29.7 °C | +2.4 °C | 9 mm | -14 mm |
| Sep | 24.0 °C | +0.6 °C | 23 mm | -12 mm |
| Oct | 17.9 °C | +0.3 °C | 76 mm | +31 mm |
| Nov | 15.3 °C | +4.0 °C | 16 mm | -32 mm |
| Dec | 7.0 °C | +1.6 °C | 52 mm | -6 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 Osmancık?
Osmancık has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.2 °C and it receives 645 mm of precipitation per year.
What is the hottest day ever recorded in Osmancık?
The hottest day measured in Osmancık between 1940 and 2025 was 29 July 2025, reaching 40.8 °C.
What is the coldest day in Osmancık?
The coldest day measured in Osmancık between 1940 and 2025 was 5 February 1960, at -27.2 °C.
Does it snow in Osmancık?
Yes. Osmancık gets on average 99.7 cm of snow per year and has around 98 frost days.
Has the climate of Osmancık warmed?
Yes: Osmancık warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Osmancık?
The wettest day measured in Osmancık between 1940 and 2025 was 11 December 2010, with 59 mm of rain in 24 hours.
What was the windiest day in Osmancık?
The windiest day measured in Osmancık between 1940 and 2025 was 9 October 2003, with winds reaching 30.3 km/h.
What is the warmest month in Osmancık?
The warmest month in Osmancık is August (20.5 °C on average); the coldest is January (-0.9 °C).
How much does it rain in Osmancık?
Osmancık receives on average 645 mm of precipitation per year, spread over about 116 rainy days.
Is it sunny in Osmancık?
Osmancık gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
What is the biggest single-day snowfall in Osmancık?
The heaviest 24-hour snowfall measured in Osmancık between 1940 and 2025 was 11 December 2010, with 40.8 cm.
Are there tropical nights in Osmancık?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Osmancık.
What was the most extreme apparent temperature in Osmancık?
In Osmancık, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 30 July 2000, and the lowest was -32.3 °C on 5 February 1960.
Compare Osmancık with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Osmancık