İnegöl climate — normals and trends
İnegöl (Republic of Türkiye) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.9 °C and it receives 854 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 (20.6 °C on average) and the coldest is January (0.8 °C). Rainfall peaks in May.
İnegöl averages 78 frost days, 11 hot days (≥ 30 °C) and 128 rainy days per year.
İnegöl has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 93 to 63 per year over the period.
The hottest day of the period reached 38.3 °C (on 13 July 2000) and the coldest -24.2 °C (on 31 December 1941).
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
İnegölBursa Province
- coords
- 40.08°, 29.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.9°C
Average daily high
16.1°C
Average daily low
6.0°C
Annual rainfall
854mm
Sunshine / day
9.7h
Mean relative humidity
75%
Average peak wind
10.1km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
78 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
112.4 cm
Average feels-like high
15.1 °C
Average feels-like low
4.2 °C
Average peak gust
31.1 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.53 · 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
38.3 °C
13 July 2000
Coldest day
-24.2 °C
31 December 1941
Wettest day
66 mm
3 July 1959
Windiest day
35.4 km/h
10 March 1958
Strongest gust
120.6 km/h
6 February 2003
Hottest feels-like
39.6 °C
29 July 2000
Coldest feels-like
-28.8 °C
31 December 1941
Snowiest day
25.4 cm
29 December 2016
Sunniest day
14.0 h
8 July 2025
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 | 10.6 °C | +5.6 °C | 74 mm | -11 mm |
| Feb | 4.5 °C | -2.2 °C | 70 mm | -10 mm |
| Mar | 16.2 °C | +6.2 °C | 60 mm | -26 mm |
| Apr | 14.2 °C | -1.1 °C | 96 mm | +9 mm |
| May | 20.9 °C | +1.3 °C | 77 mm | -18 mm |
| Jun | 26.4 °C | +3.1 °C | 6 mm | -70 mm |
| Jul | 30.8 °C | +5.1 °C | 2 mm | -39 mm |
| Aug | 29.2 °C | +2.8 °C | 24 mm | -9 mm |
| Sep | 25.0 °C | +2.1 °C | 36 mm | -13 mm |
| Oct | 18.6 °C | +0.6 °C | 84 mm | +19 mm |
| Nov | 17.4 °C | +4.6 °C | 41 mm | -28 mm |
| Dec | 8.5 °C | +1.2 °C | 62 mm | -26 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 İnegöl?
İnegöl has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.9 °C and it receives 854 mm of precipitation per year.
What is the hottest day ever recorded in İnegöl?
The hottest day measured in İnegöl between 1940 and 2025 was 13 July 2000, reaching 38.3 °C.
What is the coldest day in İnegöl?
The coldest day measured in İnegöl between 1940 and 2025 was 31 December 1941, at -24.2 °C.
Does it snow in İnegöl?
Yes. İnegöl gets on average 112.4 cm of snow per year and has around 78 frost days.
Has the climate of İnegöl warmed?
Yes: İnegöl warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in İnegöl?
The wettest day measured in İnegöl between 1940 and 2025 was 3 July 1959, with 66 mm of rain in 24 hours.
What was the windiest day in İnegöl?
The windiest day measured in İnegöl between 1940 and 2025 was 10 March 1958, with winds reaching 35.4 km/h.
What is the warmest month in İnegöl?
The warmest month in İnegöl is August (20.6 °C on average); the coldest is January (0.8 °C).
How much does it rain in İnegöl?
İnegöl receives on average 854 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in İnegöl?
İnegöl gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in İnegöl?
The heaviest 24-hour snowfall measured in İnegöl between 1940 and 2025 was 29 December 2016, with 25.4 cm.
Are there tropical nights in İnegöl?
Yes: İnegöl has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in İnegöl?
In İnegöl, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 29 July 2000, and the lowest was -28.8 °C on 31 December 1941.
Compare İnegöl with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around İnegöl