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Monthly climate in Biala, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Biala features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 21 °C (69 °F) through the year, but rarely can drop to -16 °C (3 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 724 mm (28.5 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually. Biala enjoys an average of 3400 hours of sunshine throughout the year, and daylight varies from 8 hours 2 minutes to 16 hours 22 minutes per day.

Monthly average temperatures in Biala, Poland

The warmest months in Biala are June, July and August, with daily mean temperatures ranging from 20 to 21 °C (67 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (34 - 37 °F) throughout the day. On average each year, Biala 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 Biala. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(54°F)		19°C
(67°F)		22°C
(72°F)		28°C
(83°F)		30°C
(87°F)		35°C
(95°F)		36°C
(97°F)		34°C
(94°F)		33°C
(91°F)		25°C
(78°F)		20°C
(68°F)		15°C
(59°F)
Mean maximum10°C
(50°F)		14°C
(57°F)		19°C
(67°F)		24°C
(76°F)		27°C
(81°F)		30°C
(87°F)		32°C
(90°F)		32°C
(91°F)		30°C
(86°F)		24°C
(76°F)		17°C
(62°F)		12°C
(54°F)
Average high3°C
(38°F)		5°C
(42°F)		9°C
(49°F)		15°C
(59°F)		19°C
(66°F)		24°C
(76°F)		25°C
(77°F)		26°C
(79°F)		20°C
(69°F)		16°C
(61°F)		9°C
(49°F)		5°C
(41°F)
Daily mean1°C
(34°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		14°C
(58°F)		20°C
(67°F)		20°C
(68°F)		21°C
(69°F)		16°C
(60°F)		11°C
(53°F)		7°C
(44°F)		3°C
(37°F)
Average low-2°C
(29°F)		-1°C
(31°F)		1°C
(34°F)		5°C
(40°F)		9°C
(48°F)		14°C
(58°F)		15°C
(59°F)		15°C
(60°F)		11°C
(53°F)		8°C
(46°F)		4°C
(40°F)		0°C
(33°F)
Mean minimum-9°C
(17°F)		-8°C
(17°F)		-6°C
(22°F)		-2°C
(29°F)		3°C
(37°F)		8°C
(46°F)		9°C
(49°F)		9°C
(49°F)		5°C
(41°F)		1°C
(35°F)		-4°C
(26°F)		-6°C
(21°F)
Minimum-14°C
(7°F)		-16°C
(3°F)		-13°C
(10°F)		-6°C
(21°F)		-0°C
(32°F)		5°C
(42°F)		8°C
(47°F)		8°C
(46°F)		2°C
(36°F)		-0°C
(32°F)		-7°C
(20°F)		-10°C
(14°F)

Compare climate in Biala with other places

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

Monthly average precipitation in Biala, Poland

Biala usually has the most precipitation in May, June and September, with an average of 12 rainy days and 79 mm (3.1 inches) of precipitation per month. The driest months in Biala are January, March and November. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Biala. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)47 (1.8)43 (1.7)49 (1.9)78 (3.1)81 (3.2)75 (3.0)76 (3.0)77 (3.0)73 (2.9)37 (1.4)53 (2.1)
Average precipitation days (≥ 1 mm)1110129141213101010812

Monthly sunshine hours in Biala, Poland

The sunniest months in Biala are June, July and August, when the sun shines an average of 13 hours 16 minutes a day. Least sunny months in Biala: January, November and December receive an average of 4 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Biala. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours122190282326378405430384305260175138
Mean daily daylight hours8h 31m10h 2m11h 55m13h 50m15h 30m16h 22m15h 54m14h 25m12h 34m10h 39m8h 57m8h 2m

Solar UV radiation in Biala, Poland

Biala 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 Biala UV Index data.

Average daily maximum UV levels by month for Biala. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)224578876421