Gediz climate — normals and trends
Gediz (Republic of Türkiye) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 10.8 °C and it receives 553 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 (21.6 °C on average) and the coldest is January (0.3 °C). Rainfall peaks in December.
Gediz averages 86 frost days, 25 hot days (≥ 30 °C) and 94 rainy days per year.
Gediz has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 71 per year over the period.
The hottest day of the period reached 38.7 °C (on 18 August 2023) and the coldest -27.0 °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
GedizKütahya
- coords
- 38.99°, 29.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.8°C
Average daily high
16.5°C
Average daily low
5.5°C
Annual rainfall
553mm
Sunshine / day
10.3h
Mean relative humidity
65%
Average peak wind
13.4km/h
Seasonal range
21.3°C
Frost days (< 0 °C)
86 d/yr
Hot days (≥ 30 °C)
25 d/yr
Rainy days (≥ 1 mm)
94 d/yr
Annual snowfall
70.8 cm
Average feels-like high
14.4 °C
Average feels-like low
3.0 °C
Average peak gust
37.5 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
17.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °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
38.7 °C
18 August 2023
Coldest day
-27.0 °C
5 January 1942
Wettest day
60 mm
15 December 1981
Windiest day
42.1 km/h
10 March 1958
Strongest gust
116.3 km/h
5 February 2020
Hottest feels-like
38.5 °C
16 August 2023
Coldest feels-like
-32.6 °C
5 January 1942
Snowiest day
20.7 cm
11 January 1969
Sunniest day
14.0 h
19 May 1940
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 | 9.5 °C | +5.0 °C | 47 mm | -25 mm |
| Feb | 4.6 °C | -1.5 °C | 23 mm | -42 mm |
| Mar | 15.5 °C | +5.8 °C | 26 mm | -40 mm |
| Apr | 14.9 °C | +0.1 °C | 108 mm | +46 mm |
| May | 21.6 °C | +1.8 °C | 47 mm | -13 mm |
| Jun | 29.3 °C | +5.0 °C | 8 mm | -27 mm |
| Jul | 34.2 °C | +6.1 °C | 3 mm | -10 mm |
| Aug | 32.7 °C | +4.1 °C | 10 mm | -0 mm |
| Sep | 27.1 °C | +2.6 °C | 23 mm | +6 mm |
| Oct | 18.2 °C | -0.3 °C | 37 mm | +5 mm |
| Nov | 16.4 °C | +4.2 °C | 31 mm | -17 mm |
| Dec | 8.2 °C | +1.6 °C | 35 mm | -38 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 Gediz?
Gediz has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 10.8 °C and it receives 553 mm of precipitation per year.
What is the hottest day ever recorded in Gediz?
The hottest day measured in Gediz between 1940 and 2025 was 18 August 2023, reaching 38.7 °C.
What is the coldest day in Gediz?
The coldest day measured in Gediz between 1940 and 2025 was 5 January 1942, at -27.0 °C.
Does it snow in Gediz?
Yes. Gediz gets on average 70.8 cm of snow per year and has around 86 frost days.
Has the climate of Gediz warmed?
Yes: Gediz warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gediz?
The wettest day measured in Gediz between 1940 and 2025 was 15 December 1981, with 60 mm of rain in 24 hours.
What was the windiest day in Gediz?
The windiest day measured in Gediz between 1940 and 2025 was 10 March 1958, with winds reaching 42.1 km/h.
What is the warmest month in Gediz?
The warmest month in Gediz is August (21.6 °C on average); the coldest is January (0.3 °C).
How much does it rain in Gediz?
Gediz receives on average 553 mm of precipitation per year, spread over about 94 rainy days.
Is it sunny in Gediz?
Gediz 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 Gediz?
The heaviest 24-hour snowfall measured in Gediz between 1940 and 2025 was 11 January 1969, with 20.7 cm.
Are there tropical nights in Gediz?
Yes: Gediz has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gediz?
In Gediz, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 16 August 2023, and the lowest was -32.6 °C on 5 January 1942.
Compare Gediz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gediz