Osmaniye climate — normals and trends
Osmaniye (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 828 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 (25.8 °C on average) and the coldest is January (5.7 °C). Rainfall peaks in March.
Osmaniye averages 20 frost days, 75 hot days (≥ 30 °C) and 104 rainy days per year.
Osmaniye 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 27 to 13 per year over the period.
The hottest day of the period reached 43.1 °C (on 13 August 2023) and the coldest -17.3 °C (on 5 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
OsmaniyeOsmaniye
- coords
- 37.07°, 36.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
21.3°C
Average daily low
11.7°C
Annual rainfall
828mm
Sunshine / day
10.4h
Mean relative humidity
70%
Average peak wind
10.0km/h
Seasonal range
20.1°C
Frost days (< 0 °C)
20 d/yr
Hot days (≥ 30 °C)
75 d/yr
Rainy days (≥ 1 mm)
104 d/yr
Annual snowfall
12.8 cm
Average feels-like high
21.4 °C
Average feels-like low
11.0 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
57 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.45 · 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
43.1 °C
13 August 2023
Coldest day
-17.3 °C
5 February 1950
Wettest day
70 mm
6 January 2015
Windiest day
27.0 km/h
18 January 1964
Strongest gust
98.6 km/h
12 January 1954
Hottest feels-like
45.6 °C
7 August 1987
Coldest feels-like
-22.6 °C
5 February 1950
Snowiest day
20.9 cm
18 January 1977
Sunniest day
14.2 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 | 15.0 °C | +5.1 °C | 6 mm | -109 mm |
| Feb | 11.0 °C | -0.5 °C | 53 mm | -56 mm |
| Mar | 20.5 °C | +5.6 °C | 41 mm | -79 mm |
| Apr | 20.3 °C | +0.8 °C | 123 mm | +24 mm |
| May | 25.5 °C | +1.5 °C | 102 mm | +29 mm |
| Jun | 31.7 °C | +3.6 °C | 11 mm | -13 mm |
| Jul | 33.3 °C | +1.9 °C | 4 mm | -3 mm |
| Aug | 33.8 °C | +1.8 °C | 13 mm | +5 mm |
| Sep | 31.2 °C | +1.7 °C | 23 mm | 0 mm |
| Oct | 24.9 °C | +0.4 °C | 78 mm | +11 mm |
| Nov | 22.2 °C | +4.3 °C | 29 mm | -49 mm |
| Dec | 14.0 °C | +2.0 °C | 79 mm | -27 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 Osmaniye?
Osmaniye has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 828 mm of precipitation per year.
What is the hottest day ever recorded in Osmaniye?
The hottest day measured in Osmaniye between 1940 and 2025 was 13 August 2023, reaching 43.1 °C.
What is the coldest day in Osmaniye?
The coldest day measured in Osmaniye between 1940 and 2025 was 5 February 1950, at -17.3 °C.
Does it snow in Osmaniye?
Yes. Osmaniye gets on average 12.8 cm of snow per year and has around 20 frost days.
Has the climate of Osmaniye warmed?
Yes: Osmaniye warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Osmaniye?
The wettest day measured in Osmaniye between 1940 and 2025 was 6 January 2015, with 70 mm of rain in 24 hours.
What was the windiest day in Osmaniye?
The windiest day measured in Osmaniye between 1940 and 2025 was 18 January 1964, with winds reaching 27.0 km/h.
What is the warmest month in Osmaniye?
The warmest month in Osmaniye is August (25.8 °C on average); the coldest is January (5.7 °C).
How much does it rain in Osmaniye?
Osmaniye receives on average 828 mm of precipitation per year, spread over about 104 rainy days.
Is it sunny in Osmaniye?
Osmaniye gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Osmaniye?
The heaviest 24-hour snowfall measured in Osmaniye between 1940 and 2025 was 18 January 1977, with 20.9 cm.
Are there tropical nights in Osmaniye?
Yes: Osmaniye has on average 57 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Osmaniye?
In Osmaniye, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 7 August 1987, and the lowest was -22.6 °C on 5 February 1950.
Compare Osmaniye with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Osmaniye