Çaycuma climate — normals and trends
Çaycuma (Republic of Türkiye) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.5 °C and it receives 804 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 (22.8 °C on average) and the coldest is January (4.6 °C). Rainfall peaks in December.
Çaycuma averages 24 frost days, 6 hot days (≥ 30 °C) and 116 rainy days per year.
Çaycuma has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 38 to 10 per year over the period.
The hottest day of the period reached 37.8 °C (on 13 July 2000) and the coldest -14.9 °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
ÇaycumaZonguldak Province
- coords
- 41.43°, 32.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.5°C
Average daily high
17.3°C
Average daily low
10.1°C
Annual rainfall
804mm
Sunshine / day
9.5h
Mean relative humidity
79%
Average peak wind
15.2km/h
Seasonal range
18.2°C
Frost days (< 0 °C)
24 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
116 d/yr
Annual snowfall
46.7 cm
Average feels-like high
17.0 °C
Average feels-like low
8.6 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
20 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °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
37.8 °C
13 July 2000
Coldest day
-14.9 °C
5 January 1942
Wettest day
86 mm
30 July 1951
Windiest day
48.6 km/h
15 November 1992
Strongest gust
100.1 km/h
15 November 1992
Hottest feels-like
43.6 °C
9 July 2000
Coldest feels-like
-20.4 °C
5 January 1942
Snowiest day
18.2 cm
13 February 2004
Sunniest day
14.2 h
17 June 2017
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 | 12.3 °C | +4.3 °C | 61 mm | -30 mm |
| Feb | 6.8 °C | -2.1 °C | 71 mm | -8 mm |
| Mar | 15.9 °C | +4.7 °C | 30 mm | -50 mm |
| Apr | 14.3 °C | -1.1 °C | 71 mm | +12 mm |
| May | 20.5 °C | +0.9 °C | 40 mm | -6 mm |
| Jun | 25.3 °C | +1.6 °C | 9 mm | -41 mm |
| Jul | 29.2 °C | +3.1 °C | 4 mm | -39 mm |
| Aug | 28.5 °C | +2.0 °C | 11 mm | -31 mm |
| Sep | 24.3 °C | +0.9 °C | 73 mm | +18 mm |
| Oct | 19.8 °C | +0.7 °C | 153 mm | +75 mm |
| Nov | 19.1 °C | +4.2 °C | 33 mm | -51 mm |
| Dec | 12.0 °C | +1.6 °C | 161 mm | +62 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 Çaycuma?
Çaycuma has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.5 °C and it receives 804 mm of precipitation per year.
What is the hottest day ever recorded in Çaycuma?
The hottest day measured in Çaycuma between 1940 and 2025 was 13 July 2000, reaching 37.8 °C.
What is the coldest day in Çaycuma?
The coldest day measured in Çaycuma between 1940 and 2025 was 5 January 1942, at -14.9 °C.
Does it snow in Çaycuma?
Yes. Çaycuma gets on average 46.7 cm of snow per year and has around 24 frost days.
Has the climate of Çaycuma warmed?
Yes: Çaycuma warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Çaycuma?
The wettest day measured in Çaycuma between 1940 and 2025 was 30 July 1951, with 86 mm of rain in 24 hours.
What was the windiest day in Çaycuma?
The windiest day measured in Çaycuma between 1940 and 2025 was 15 November 1992, with winds reaching 48.6 km/h.
What is the warmest month in Çaycuma?
The warmest month in Çaycuma is August (22.8 °C on average); the coldest is January (4.6 °C).
How much does it rain in Çaycuma?
Çaycuma receives on average 804 mm of precipitation per year, spread over about 116 rainy days.
Is it sunny in Çaycuma?
Çaycuma gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
What is the biggest single-day snowfall in Çaycuma?
The heaviest 24-hour snowfall measured in Çaycuma between 1940 and 2025 was 13 February 2004, with 18.2 cm.
Are there tropical nights in Çaycuma?
Yes: Çaycuma has on average 20 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Çaycuma?
In Çaycuma, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 9 July 2000, and the lowest was -20.4 °C on 5 January 1942.
Compare Çaycuma with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Çaycuma