Nicaea climate — normals and trends
Nicaea (Republic of Türkiye) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 13.0 °C and it receives 679 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 (22.7 °C on average) and the coldest is January (3.1 °C). Rainfall peaks in December.
Nicaea averages 43 frost days, 27 hot days (≥ 30 °C) and 113 rainy days per year.
Nicaea has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 59 to 27 per year over the period.
The hottest day of the period reached 40.9 °C (on 13 July 2000) and the coldest -18.6 °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
NicaeaBursa Province
- coords
- 40.43°, 29.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.0°C
Average daily high
17.9°C
Average daily low
8.7°C
Annual rainfall
679mm
Sunshine / day
9.2h
Mean relative humidity
76%
Average peak wind
11.1km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
43 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
68.8 cm
Average feels-like high
17.1 °C
Average feels-like low
7.4 °C
Average peak gust
31.2 km/h
Tropical nights (≥ 20 °C)
9 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.61 · 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
40.9 °C
13 July 2000
Coldest day
-18.6 °C
5 January 1942
Wettest day
79 mm
10 September 1981
Windiest day
30.8 km/h
17 October 1958
Strongest gust
90.0 km/h
27 February 2005
Hottest feels-like
41.8 °C
13 July 2000
Coldest feels-like
-24.0 °C
5 January 1942
Snowiest day
31.4 cm
29 December 2016
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 | 11.4 °C | +4.7 °C | 59 mm | -18 mm |
| Feb | 6.6 °C | -1.6 °C | 68 mm | -1 mm |
| Mar | 17.7 °C | +6.3 °C | 35 mm | -37 mm |
| Apr | 15.9 °C | -0.8 °C | 59 mm | -2 mm |
| May | 23.3 °C | +1.9 °C | 51 mm | -5 mm |
| Jun | 29.2 °C | +3.6 °C | 4 mm | -48 mm |
| Jul | 33.3 °C | +5.2 °C | 2 mm | -30 mm |
| Aug | 31.1 °C | +2.6 °C | 8 mm | -18 mm |
| Sep | 26.5 °C | +1.7 °C | 34 mm | -4 mm |
| Oct | 19.8 °C | +0.2 °C | 104 mm | +52 mm |
| Nov | 18.6 °C | +4.3 °C | 33 mm | -30 mm |
| Dec | 10.1 °C | +1.2 °C | 92 mm | +10 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 Nicaea?
Nicaea has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 679 mm of precipitation per year.
What is the hottest day ever recorded in Nicaea?
The hottest day measured in Nicaea between 1940 and 2025 was 13 July 2000, reaching 40.9 °C.
What is the coldest day in Nicaea?
The coldest day measured in Nicaea between 1940 and 2025 was 5 January 1942, at -18.6 °C.
Does it snow in Nicaea?
Yes. Nicaea gets on average 68.8 cm of snow per year and has around 43 frost days.
Has the climate of Nicaea warmed?
Yes: Nicaea warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nicaea?
The wettest day measured in Nicaea between 1940 and 2025 was 10 September 1981, with 79 mm of rain in 24 hours.
What was the windiest day in Nicaea?
The windiest day measured in Nicaea between 1940 and 2025 was 17 October 1958, with winds reaching 30.8 km/h.
What is the warmest month in Nicaea?
The warmest month in Nicaea is August (22.7 °C on average); the coldest is January (3.1 °C).
How much does it rain in Nicaea?
Nicaea receives on average 679 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Nicaea?
Nicaea gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nicaea?
The heaviest 24-hour snowfall measured in Nicaea between 1940 and 2025 was 29 December 2016, with 31.4 cm.
Are there tropical nights in Nicaea?
Yes: Nicaea has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nicaea?
In Nicaea, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 13 July 2000, and the lowest was -24.0 °C on 5 January 1942.
Compare Nicaea with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nicaea