Alaşehir climate — normals and trends
Alaşehir (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °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 July (25.2 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in December.
Alaşehir averages 43 frost days, 69 hot days (≥ 30 °C) and 83 rainy days per year.
Alaşehir 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 54 to 32 per year over the period.
The hottest day of the period reached 40.8 °C (on 24 July 2025) and the coldest -28.6 °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
AlaşehirManisa
- coords
- 38.35°, 28.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
20.1°C
Average daily low
9.2°C
Annual rainfall
553mm
Sunshine / day
10.5h
Mean relative humidity
62%
Average peak wind
9.8km/h
Seasonal range
21.1°C
Frost days (< 0 °C)
43 d/yr
Hot days (≥ 30 °C)
69 d/yr
Rainy days (≥ 1 mm)
83 d/yr
Annual snowfall
21.1 cm
Average feels-like high
19.0 °C
Average feels-like low
7.6 °C
Average peak gust
33.7 km/h
Tropical nights (≥ 20 °C)
22 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.54 · 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
24 July 2025
Coldest day
-28.6 °C
5 January 1942
Wettest day
71 mm
7 January 2012
Windiest day
29.0 km/h
10 March 1958
Strongest gust
115.2 km/h
5 February 2020
Hottest feels-like
42.9 °C
17 August 2023
Coldest feels-like
-33.6 °C
5 January 1942
Snowiest day
23.5 cm
4 January 2002
Sunniest day
14.1 h
9 July 1942
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 | 13.3 °C | +4.9 °C | 62 mm | -23 mm |
| Feb | 9.1 °C | -1.0 °C | 25 mm | -50 mm |
| Mar | 19.2 °C | +5.7 °C | 15 mm | -51 mm |
| Apr | 18.7 °C | +0.3 °C | 87 mm | +34 mm |
| May | 25.7 °C | +2.2 °C | 46 mm | +2 mm |
| Jun | 33.2 °C | +4.8 °C | 4 mm | -19 mm |
| Jul | 37.1 °C | +5.2 °C | 4 mm | -3 mm |
| Aug | 35.8 °C | +3.7 °C | 3 mm | -4 mm |
| Sep | 30.7 °C | +2.9 °C | 15 mm | +1 mm |
| Oct | 21.9 °C | -0.1 °C | 48 mm | +16 mm |
| Nov | 20.4 °C | +4.9 °C | 24 mm | -37 mm |
| Dec | 11.6 °C | +1.7 °C | 33 mm | -55 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 Alaşehir?
Alaşehir has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 553 mm of precipitation per year.
What is the hottest day ever recorded in Alaşehir?
The hottest day measured in Alaşehir between 1940 and 2025 was 24 July 2025, reaching 40.8 °C.
What is the coldest day in Alaşehir?
The coldest day measured in Alaşehir between 1940 and 2025 was 5 January 1942, at -28.6 °C.
Does it snow in Alaşehir?
Yes. Alaşehir gets on average 21.1 cm of snow per year and has around 43 frost days.
Has the climate of Alaşehir warmed?
Yes: Alaşehir warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alaşehir?
The wettest day measured in Alaşehir between 1940 and 2025 was 7 January 2012, with 71 mm of rain in 24 hours.
What was the windiest day in Alaşehir?
The windiest day measured in Alaşehir between 1940 and 2025 was 10 March 1958, with winds reaching 29.0 km/h.
What is the warmest month in Alaşehir?
The warmest month in Alaşehir is July (25.2 °C on average); the coldest is January (4.1 °C).
How much does it rain in Alaşehir?
Alaşehir receives on average 553 mm of precipitation per year, spread over about 83 rainy days.
Is it sunny in Alaşehir?
Alaşehir gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alaşehir?
The heaviest 24-hour snowfall measured in Alaşehir between 1940 and 2025 was 4 January 2002, with 23.5 cm.
Are there tropical nights in Alaşehir?
Yes: Alaşehir has on average 22 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alaşehir?
In Alaşehir, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 17 August 2023, and the lowest was -33.6 °C on 5 January 1942.
Compare Alaşehir with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alaşehir