Aliağa climate — normals and trends
Aliağa (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 650 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 (26.4 °C on average) and the coldest is January (7.6 °C). Rainfall peaks in December.
Aliağa averages 6 frost days, 66 hot days (≥ 30 °C) and 75 rainy days per year.
Aliağa has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 10 to 2 per year over the period.
The hottest day of the period reached 39.3 °C (on 24 August 1958) and the coldest -13.1 °C (on 4 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
Aliağaİzmir Province
- coords
- 38.80°, 26.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
20.9°C
Average daily low
12.7°C
Annual rainfall
650mm
Sunshine / day
10.6h
Mean relative humidity
66%
Average peak wind
17.4km/h
Seasonal range
18.8°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
66 d/yr
Rainy days (≥ 1 mm)
75 d/yr
Annual snowfall
4.0 cm
Average feels-like high
19.8 °C
Average feels-like low
11.0 °C
Average peak gust
40.5 km/h
Tropical nights (≥ 20 °C)
64 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.50 · 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
39.3 °C
24 August 1958
Coldest day
-13.1 °C
4 January 1942
Wettest day
86 mm
30 January 1945
Windiest day
43.6 km/h
26 February 1973
Strongest gust
110.2 km/h
15 February 1962
Hottest feels-like
41.5 °C
7 July 1988
Coldest feels-like
-18.5 °C
4 January 1942
Snowiest day
11.6 cm
10 January 2017
Sunniest day
14.3 h
28 June 1944
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 | 14.6 °C | +3.7 °C | 86 mm | -23 mm |
| Feb | 10.5 °C | -1.6 °C | 37 mm | -52 mm |
| Mar | 18.4 °C | +3.9 °C | 29 mm | -45 mm |
| Apr | 18.7 °C | 0.0 °C | 46 mm | -4 mm |
| May | 24.8 °C | +1.2 °C | 21 mm | -9 mm |
| Jun | 31.8 °C | +3.3 °C | 0 mm | -12 mm |
| Jul | 34.2 °C | +2.6 °C | 0 mm | -3 mm |
| Aug | 32.8 °C | +1.1 °C | 0 mm | -2 mm |
| Sep | 29.0 °C | +1.2 °C | 19 mm | +4 mm |
| Oct | 21.4 °C | -1.0 °C | 141 mm | +92 mm |
| Nov | 19.9 °C | +2.9 °C | 101 mm | +5 mm |
| Dec | 13.5 °C | +1.0 °C | 43 mm | -79 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 Aliağa?
Aliağa has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 650 mm of precipitation per year.
What is the hottest day ever recorded in Aliağa?
The hottest day measured in Aliağa between 1940 and 2025 was 24 August 1958, reaching 39.3 °C.
What is the coldest day in Aliağa?
The coldest day measured in Aliağa between 1940 and 2025 was 4 January 1942, at -13.1 °C.
Does it snow in Aliağa?
Yes. Aliağa gets on average 4.0 cm of snow per year and has around 6 frost days.
Has the climate of Aliağa warmed?
Yes: Aliağa warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aliağa?
The wettest day measured in Aliağa between 1940 and 2025 was 30 January 1945, with 86 mm of rain in 24 hours.
What was the windiest day in Aliağa?
The windiest day measured in Aliağa between 1940 and 2025 was 26 February 1973, with winds reaching 43.6 km/h.
What is the warmest month in Aliağa?
The warmest month in Aliağa is July (26.4 °C on average); the coldest is January (7.6 °C).
How much does it rain in Aliağa?
Aliağa receives on average 650 mm of precipitation per year, spread over about 75 rainy days.
Is it sunny in Aliağa?
Aliağa gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Aliağa?
The heaviest 24-hour snowfall measured in Aliağa between 1940 and 2025 was 10 January 2017, with 11.6 cm.
Are there tropical nights in Aliağa?
Yes: Aliağa has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aliağa?
In Aliağa, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 7 July 1988, and the lowest was -18.5 °C on 4 January 1942.
Compare Aliağa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Aliağa