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Monthly climate in Bierzwnik, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bierzwnik features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 19 °C (67 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 691 mm (27.2 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually. Bierzwnik enjoys an average of 3291 hours of sunshine throughout the year, and daylight varies from 7 hours 38 minutes to 16 hours 49 minutes per day.

Monthly average temperatures in Bierzwnik, Poland

The warmest months in Bierzwnik are June, July and August, with daily mean temperatures ranging from 19 to 19 °C (66 - 67 °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 - 36 °F) throughout the day. On average each year, Bierzwnik experiences 34 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 Bierzwnik. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(55°F)		17°C
(64°F)		20°C
(68°F)		26°C
(80°F)		30°C
(87°F)		35°C
(96°F)		36°C
(97°F)		34°C
(93°F)		32°C
(89°F)		23°C
(74°F)		17°C
(63°F)		11°C
(53°F)
Mean maximum10°C
(51°F)		12°C
(55°F)		17°C
(64°F)		23°C
(73°F)		27°C
(81°F)		29°C
(85°F)		31°C
(88°F)		32°C
(90°F)		29°C
(85°F)		22°C
(72°F)		15°C
(60°F)		10°C
(51°F)
Average high3°C
(38°F)		5°C
(41°F)		8°C
(47°F)		14°C
(57°F)		18°C
(64°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		19°C
(67°F)		14°C
(58°F)		8°C
(47°F)		4°C
(40°F)
Daily mean1°C
(34°F)		2°C
(35°F)		4°C
(40°F)		9°C
(48°F)		13°C
(56°F)		19°C
(66°F)		19°C
(67°F)		19°C
(67°F)		15°C
(59°F)		11°C
(51°F)		6°C
(43°F)		2°C
(36°F)
Average low-1°C
(31°F)		-1°C
(30°F)		0°C
(33°F)		4°C
(39°F)		8°C
(47°F)		13°C
(57°F)		14°C
(58°F)		14°C
(58°F)		11°C
(52°F)		7°C
(45°F)		4°C
(39°F)		0°C
(33°F)
Mean minimum-9°C
(16°F)		-8°C
(18°F)		-6°C
(21°F)		-3°C
(27°F)		1°C
(35°F)		7°C
(45°F)		10°C
(49°F)		8°C
(47°F)		5°C
(41°F)		1°C
(34°F)		-3°C
(28°F)		-6°C
(22°F)
Minimum-17°C
(1°F)		-17°C
(2°F)		-14°C
(7°F)		-4°C
(25°F)		-1°C
(31°F)		5°C
(40°F)		8°C
(47°F)		8°C
(46°F)		3°C
(38°F)		-1°C
(30°F)		-5°C
(24°F)		-17°C
(1°F)

Compare climate in Bierzwnik with other places

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

Monthly average precipitation in Bierzwnik, Poland

Bierzwnik usually has the most precipitation in January, July and October, with an average of 11 rainy days and 80 mm (3.1 inches) of precipitation per month. The driest months in Bierzwnik are February, April and November. On average, 42 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bierzwnik. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)59 (2.3)47 (1.8)51 (2.0)37 (1.5)58 (2.3)54 (2.1)111 (4.4)56 (2.2)59 (2.3)68 (2.7)41 (1.6)48 (1.9)
Average precipitation days (≥ 1 mm)1110128101012101012911

Monthly sunshine hours in Bierzwnik, Poland

The sunniest months in Bierzwnik are May, June and July, when the sun shines an average of 13 hours 20 minutes a day. Least sunny months in Bierzwnik: January, November and December receive an average of 3 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bierzwnik. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours99189253343394423409385291242147111
Mean daily daylight hours8h 10m9h 51m11h 54m14h 0m15h 51m16h 49m16h 18m14h 39m12h 36m10h 31m8h 39m7h 38m

Solar UV radiation in Bierzwnik, Poland

Bierzwnik experiences the highest level of ultraviolet (UV) radiation in May, June 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 Bierzwnik UV Index data.

Average daily maximum UV levels by month for Bierzwnik. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578775321