Simav climate — normals and trends
Simav (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 12.0 °C and it receives 565 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 (22.9 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in December.
Simav averages 73 frost days, 39 hot days (≥ 30 °C) and 91 rainy days per year.
Simav has warmed by +2.4 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 84 to 62 per year over the period.
The hottest day of the period reached 39.0 °C (on 18 August 2023) and the coldest -26.1 °C (on 5 January 1942).
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
SimavKütahya
- coords
- 39.09°, 28.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.0°C
Average daily high
17.8°C
Average daily low
6.6°C
Annual rainfall
565mm
Sunshine / day
10.3h
Mean relative humidity
64%
Average peak wind
12.1km/h
Seasonal range
21.2°C
Frost days (< 0 °C)
73 d/yr
Hot days (≥ 30 °C)
39 d/yr
Rainy days (≥ 1 mm)
91 d/yr
Annual snowfall
46.8 cm
Average feels-like high
16.1 °C
Average feels-like low
4.4 °C
Average peak gust
33.9 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
17.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.55 · 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
39.0 °C
18 August 2023
Coldest day
-26.1 °C
5 January 1942
Wettest day
72 mm
15 December 1981
Windiest day
37.6 km/h
3 April 1979
Strongest gust
108.7 km/h
5 February 2020
Hottest feels-like
40.4 °C
16 August 2023
Coldest feels-like
-31.2 °C
5 January 1942
Snowiest day
16.2 cm
15 January 2019
Sunniest day
14.0 h
6 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 | +4.7 °C | 57 mm | -23 mm |
| Feb | 6.1 °C | -1.4 °C | 25 mm | -46 mm |
| Mar | 16.6 °C | +5.6 °C | 22 mm | -45 mm |
| Apr | 16.2 °C | +0.2 °C | 104 mm | +43 mm |
| May | 22.6 °C | +1.5 °C | 43 mm | -10 mm |
| Jun | 30.4 °C | +4.6 °C | 8 mm | -22 mm |
| Jul | 35.0 °C | +5.5 °C | 3 mm | -8 mm |
| Aug | 33.6 °C | +3.6 °C | 7 mm | -2 mm |
| Sep | 28.3 °C | +2.5 °C | 17 mm | +1 mm |
| Oct | 19.1 °C | -0.8 °C | 47 mm | +16 mm |
| Nov | 17.6 °C | +4.2 °C | 27 mm | -29 mm |
| Dec | 9.5 °C | +1.7 °C | 29 mm | -53 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 Simav?
Simav has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 12.0 °C and it receives 565 mm of precipitation per year.
What is the hottest day ever recorded in Simav?
The hottest day measured in Simav between 1940 and 2025 was 18 August 2023, reaching 39.0 °C.
What is the coldest day in Simav?
The coldest day measured in Simav between 1940 and 2025 was 5 January 1942, at -26.1 °C.
Does it snow in Simav?
Yes. Simav gets on average 46.8 cm of snow per year and has around 73 frost days.
Has the climate of Simav warmed?
Yes: Simav warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Simav?
The wettest day measured in Simav between 1940 and 2025 was 15 December 1981, with 72 mm of rain in 24 hours.
What was the windiest day in Simav?
The windiest day measured in Simav between 1940 and 2025 was 3 April 1979, with winds reaching 37.6 km/h.
What is the warmest month in Simav?
The warmest month in Simav is August (22.9 °C on average); the coldest is January (1.7 °C).
How much does it rain in Simav?
Simav receives on average 565 mm of precipitation per year, spread over about 91 rainy days.
Is it sunny in Simav?
Simav gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
What is the biggest single-day snowfall in Simav?
The heaviest 24-hour snowfall measured in Simav between 1940 and 2025 was 15 January 2019, with 16.2 cm.
Are there tropical nights in Simav?
Yes: Simav has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Simav?
In Simav, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 16 August 2023, and the lowest was -31.2 °C on 5 January 1942.
Compare Simav with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Simav