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Monthly climate in Sierakow, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sierakow features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 20 °C (68 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 662 mm (26.1 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually. Sierakow enjoys an average of 3347 hours of sunshine throughout the year, and daylight varies from 7 hours 42 minutes to 16 hours 45 minutes per day.

Monthly average temperatures in Sierakow, Poland

The warmest months in Sierakow are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (67 - 68 °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, Sierakow experiences 42 days above 25 °C (77.0 °F) and 64 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sierakow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		18°C
(65°F)		20°C
(69°F)		27°C
(81°F)		31°C
(88°F)		36°C
(97°F)		37°C
(99°F)		34°C
(94°F)		32°C
(91°F)		24°C
(75°F)		18°C
(64°F)		11°C
(53°F)
Mean maximum10°C
(51°F)		13°C
(55°F)		18°C
(65°F)		23°C
(74°F)		27°C
(81°F)		30°C
(87°F)		32°C
(89°F)		33°C
(91°F)		30°C
(86°F)		23°C
(73°F)		16°C
(60°F)		11°C
(52°F)
Average high3°C
(38°F)		5°C
(41°F)		8°C
(48°F)		14°C
(58°F)		18°C
(65°F)		25°C
(77°F)		24°C
(76°F)		25°C
(77°F)		20°C
(68°F)		15°C
(59°F)		8°C
(47°F)		4°C
(40°F)
Daily mean1°C
(34°F)		2°C
(36°F)		4°C
(40°F)		9°C
(49°F)		14°C
(57°F)		19°C
(67°F)		19°C
(67°F)		20°C
(68°F)		15°C
(60°F)		11°C
(52°F)		6°C
(43°F)		2°C
(37°F)
Average low-1°C
(31°F)		-1°C
(31°F)		0°C
(33°F)		4°C
(39°F)		8°C
(47°F)		14°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
(15°F)		-8°C
(18°F)		-6°C
(21°F)		-3°C
(27°F)		2°C
(36°F)		7°C
(45°F)		9°C
(49°F)		8°C
(46°F)		5°C
(41°F)		0°C
(33°F)		-3°C
(28°F)		-6°C
(21°F)
Minimum-19°C
(-1°F)		-15°C
(5°F)		-15°C
(6°F)		-4°C
(26°F)		0°C
(32°F)		4°C
(40°F)		8°C
(46°F)		7°C
(45°F)		3°C
(37°F)		-2°C
(29°F)		-5°C
(24°F)		-19°C
(-2°F)

Compare climate in Sierakow with other places

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

Monthly average precipitation in Sierakow, Poland

Sierakow usually has the most precipitation in May, July and October, with an average of 11 rainy days and 76 mm (3.0 inches) of precipitation per month. The driest months in Sierakow are February, April and November. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sierakow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)54 (2.1)44 (1.7)49 (1.9)35 (1.4)62 (2.4)53 (2.1)104 (4.1)55 (2.2)56 (2.2)62 (2.4)40 (1.6)48 (1.9)
Average precipitation days (≥ 1 mm)1291191191210911910

Monthly sunshine hours in Sierakow, Poland

The sunniest months in Sierakow are May, June and July, when the sun shines an average of 13 hours 26 minutes a day. Least sunny months in Sierakow: January, November and December receive an average of 4 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sierakow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours105192261344394423418387294245158120
Mean daily daylight hours8h 14m9h 52m11h 54m13h 58m15h 47m16h 45m16h 14m14h 36m12h 36m10h 33m8h 42m7h 42m

Solar UV radiation in Sierakow, Poland

Sierakow 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 Sierakow UV Index data.

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