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Zonguldak, Zonguldak Province Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Zonguldak, Zonguldak Province?
Zonguldak, Zonguldak Province gets 1164 mm of precipitation a year over about 126 rainy days. August is the warmest month (average high 26°C) and January the coldest (average low 3°C).
Humid subtropical climate
Zonguldak, Zonguldak Province has warm summers and chilly winters. Daytime highs range from about 9°C in January to 26°C in August. December is usually the wettest month. The most comfortable time to visit is typically May to October, when daytime highs sit near 23°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 4° | 10° |
| Spring | Mar–May | 8° | 15° |
| Summer | Jun–Aug | 18° | 25° |
| Autumn | Sep–Nov | 12° | 19° |
How much rain does Zonguldak get?
Zonguldak gets 1164 mm of precipitation in an average year, spread over about 126 days with measurable rain.
December is the wettest month, with 150 mm. April is the driest, with 53 mm. December has the most rainy days, about 16.
The longest dry spell in the last five years lasted 28 days, to July 31, 2025.
Zonguldak weather by month
Zonguldak weather in January
In January, Zonguldak averages a high of 9°C and a low of 3°C. It gets 113 mm of precipitation over about 15 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The January record high is 24°C (2010) and the record low is -6°C (1973).
Zonguldak weather in February
In February, Zonguldak averages a high of 9°C and a low of 3°C. It gets 88 mm of precipitation over about 14 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The February record high is 27°C (2010) and the record low is -7°C (1976).
Zonguldak weather in March
In March, Zonguldak averages a high of 11°C and a low of 4°C. It gets 90 mm of precipitation over about 14 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The March record high is 30°C (1981) and the record low is -7°C (1987).
Zonguldak weather in April
In April, Zonguldak averages a high of 15°C and a low of 8°C. It gets 53 mm of precipitation over about 10 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The April record high is 33°C (2008) and the record low is -1°C (2004).
Zonguldak weather in May
In May, Zonguldak averages a high of 19°C and a low of 12°C. It gets 58 mm of precipitation over about 9 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The May record high is 36°C (1980) and the record low is -1°C (1990). May is one of the most comfortable months to visit.
Zonguldak weather in June
In June, Zonguldak averages a high of 23°C and a low of 16°C. It gets 74 mm of precipitation over about 8 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The June record high is 38°C (2000) and the record low is 4°C (1994). June is one of the most comfortable months to visit.
Zonguldak weather in July
In July, Zonguldak averages a high of 26°C and a low of 18°C. It gets 85 mm of precipitation over about 6 rainy days. Estimated sunshine is 77% of daylight hours, derived from ERA5 cloud cover. The July record high is 35°C (1975) and the record low is 7°C (1980). July is one of the most comfortable months to visit.
Zonguldak weather in August
In August, Zonguldak averages a high of 26°C and a low of 19°C. It gets 69 mm of precipitation over about 5 rainy days. Estimated sunshine is 79% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (1977) and the record low is 8°C (1979). August is one of the most comfortable months to visit.
Zonguldak weather in September
In September, Zonguldak averages a high of 23°C and a low of 16°C. It gets 119 mm of precipitation over about 8 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The September record high is 34°C (2003) and the record low is 7°C (1986). September is one of the most comfortable months to visit.
Zonguldak weather in October
In October, Zonguldak averages a high of 19°C and a low of 13°C. It gets 140 mm of precipitation over about 11 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The October record high is 37°C (2003) and the record low is 2°C (2003). October is one of the most comfortable months to visit.
Zonguldak weather in November
In November, Zonguldak averages a high of 15°C and a low of 8°C. It gets 123 mm of precipitation over about 11 rainy days. Estimated sunshine is 42% of daylight hours, derived from ERA5 cloud cover. The November record high is 31°C (2023) and the record low is -1°C (1993).
Zonguldak weather in December
In December, Zonguldak averages a high of 11°C and a low of 5°C. It gets 150 mm of precipitation over about 16 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The December record high is 27°C (2008) and the record low is -4°C (2015).
Sunshine, humidity and wind in Zonguldak
August is the sunniest month in Zonguldak, with estimated sunshine of 79% of daylight hours from ERA5 cloud cover. January is the cloudiest, at 35%. The annual cloud-cover estimate is 51% of daylight hours; it is not a measurement of sunshine duration. Zonguldak is cloudier than 80% of Turkey.
Humidity peaks in June at 83% and is lowest in February at 77%.
Zonguldak has about 2 days a year above 32°C. Zonguldak is cooler than 98% of Turkey.
First and last freeze in Zonguldak
The first fall freeze in Zonguldak typically comes around December 15, and the last spring freeze around March 12. That leaves a frost-free growing season of about 278 days.
Zonguldak weather records
These records cover ZONGULDAK during 1973–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Zonguldak station is 38°C, on June 16, 2000. The coldest is -7°C, on February 9, 1976.
The wettest day in the available station history brought 349 mm of precipitation, on July 30, 1992.
23 all-time records have been set at the station since 1973.
The best time to visit Zonguldak
The most comfortable time to visit is typically May to October, when daytime highs sit near 23°C.
Winter (December–February) is chilly, with average highs around 10°C and lows near 4°C.
Spring (March–May) is mild, with average highs around 15°C and lows near 8°C.
Summer (June–August) is warm, with average highs around 25°C and lows near 18°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 19°C and lows near 12°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 3° | 9° | 113 mm | 15 | 78% | 35% | 24° | -6° |
| February | 3° | 9° | 88 mm | 14 | 77% | 38% | 27° | -7° |
| March | 4° | 11° | 90 mm | 14 | 80% | 36% | 30° | -7° |
| April | 8° | 15° | 53 mm | 10 | 80% | 42% | 33° | -1° |
| May | 12° | 19° | 58 mm | 9 | 82% | 50% | 36° | -1° |
| June | 16° | 23° | 74 mm | 8 | 83% | 60% | 38° | 4° |
| July | 18° | 26° | 85 mm | 6 | 80% | 77% | 35° | 7° |
| August | 19° | 26° | 69 mm | 5 | 78% | 79% | 36° | 8° |
| September | 16° | 23° | 119 mm | 8 | 77% | 63% | 34° | 7° |
| October | 13° | 19° | 140 mm | 11 | 79% | 55% | 37° | 2° |
| November | 8° | 15° | 123 mm | 11 | 78% | 42% | 31° | -1° |
| December | 5° | 11° | 150 mm | 16 | 80% | 38% | 27° | -4° |
Station: ZONGULDAK, 1 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Zonguldak climate questions
How much rain does Zonguldak get?
Zonguldak gets 1164 mm of precipitation in an average year, over about 126 rainy days.
What is the wettest month in Zonguldak?
December is the wettest month in Zonguldak, with 150 mm. April is the driest, with 53 mm.
How many rainy days does Zonguldak have a year?
Zonguldak has about 126 days with measurable rain in an average year. December has the most, about 16.
What is the hottest month in Zonguldak?
August is the warmest month in Zonguldak, with an average high of 26°C.
What is the coldest month in Zonguldak?
January is the coldest month in Zonguldak, with an average low of 3°C.
What is the record high temperature in Zonguldak?
Within the available 1973–2025 station history, the record high at the Zonguldak station is 38°C, set on June 16, 2000. The record low is -7°C, on February 9, 1976.
What is the sunniest month in Zonguldak?
August is the sunniest month in Zonguldak, with estimated sunshine of 79% of daylight hours from ERA5 cloud cover. January is the cloudiest.
When is the first frost in Zonguldak?
The first fall freeze in Zonguldak typically comes around December 15. The last spring freeze is around March 12.
What is the best time to visit Zonguldak?
The most comfortable time to visit is typically May to October, when daytime highs sit near 23°C.