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Monthly climate in Koscian, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Koscian features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 20 °C (69 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 643 mm (25.3 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually. Koscian enjoys an average of 3362 hours of sunshine throughout the year, and daylight varies from 7 hours 50 minutes to 16 hours 36 minutes per day.

Monthly average temperatures in Koscian, Poland

The warmest months in Koscian are June, July and August, with daily mean temperatures ranging from 20 to 20 °C (68 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 2 °C (34 - 37 °F) throughout the day. On average each year, Koscian experiences 49 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Koscian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		19°C
(66°F)		20°C
(69°F)		28°C
(82°F)		31°C
(88°F)		38°C
(101°F)		38°C
(100°F)		35°C
(95°F)		33°C
(92°F)		25°C
(77°F)		19°C
(66°F)		13°C
(56°F)
Mean maximum10°C
(51°F)		13°C
(56°F)		19°C
(66°F)		24°C
(76°F)		28°C
(82°F)		31°C
(88°F)		33°C
(91°F)		33°C
(92°F)		30°C
(87°F)		24°C
(76°F)		16°C
(61°F)		11°C
(52°F)
Average high3°C
(38°F)		5°C
(41°F)		9°C
(48°F)		14°C
(58°F)		19°C
(66°F)		25°C
(78°F)		25°C
(77°F)		26°C
(79°F)		20°C
(69°F)		15°C
(60°F)		9°C
(48°F)		4°C
(40°F)
Daily mean1°C
(34°F)		2°C
(36°F)		5°C
(41°F)		9°C
(49°F)		14°C
(57°F)		20°C
(68°F)		20°C
(68°F)		20°C
(69°F)		16°C
(60°F)		11°C
(52°F)		6°C
(43°F)		2°C
(37°F)
Average low-1°C
(30°F)		-1°C
(30°F)		1°C
(33°F)		4°C
(40°F)		9°C
(48°F)		14°C
(58°F)		15°C
(59°F)		15°C
(59°F)		11°C
(52°F)		7°C
(46°F)		4°C
(39°F)		0°C
(33°F)
Mean minimum-10°C
(15°F)		-8°C
(17°F)		-6°C
(21°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(45°F)		10°C
(50°F)		8°C
(46°F)		5°C
(41°F)		1°C
(33°F)		-3°C
(27°F)		-6°C
(21°F)
Minimum-19°C
(-2°F)		-15°C
(6°F)		-14°C
(7°F)		-4°C
(25°F)		-0°C
(32°F)		5°C
(41°F)		8°C
(46°F)		6°C
(44°F)		2°C
(37°F)		-3°C
(27°F)		-5°C
(23°F)		-14°C
(7°F)

Compare climate in Koscian with other places

Compare temperature, precipitation, sunshine, UV index in Koscian, Poland with other places around the world.

Monthly average precipitation in Koscian, Poland

Koscian usually has the most precipitation in May, July and August, with an average of 11 rainy days and 71 mm (2.8 inches) of precipitation per month. The driest months in Koscian are March, April and November. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Koscian. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)44 (1.8)41 (1.6)34 (1.3)64 (2.5)62 (2.5)80 (3.1)68 (2.7)56 (2.2)61 (2.4)40 (1.6)49 (1.9)
Average precipitation days (≥ 1 mm)11910912111310911713

Monthly sunshine hours in Koscian, Poland

The sunniest months in Koscian are May, June and July, when the sun shines an average of 13 hours 16 minutes a day. Least sunny months in Koscian: January, November and December receive an average of 4 hours 29 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Koscian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours112194270336386418416384296244172129
Mean daily daylight hours8h 20m9h 56m11h 54m13h 55m15h 41m16h 36m16h 7m14h 32m12h 35m10h 35m8h 47m7h 50m

Solar UV radiation in Koscian, Poland

Koscian experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Koscian UV Index data.

Average daily maximum UV levels by month for Koscian. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578876321