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Monthly climate in Swiecie, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Swiecie features a oceanic climate (Cfb). Temperatures typically range between 0 °C (33 °F) and 19 °C (66 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 709 mm (27.9 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Swiecie enjoys an average of 3346 hours of sunshine throughout the year, and daylight varies from 7 hours 34 minutes to 16 hours 54 minutes per day.

Monthly average temperatures in Swiecie, Poland

The warmest months in Swiecie are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (65 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 2 °C (33 - 35 °F) throughout the day. On average each year, Swiecie experiences 30 days above 25 °C (77.0 °F) and 80 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Swiecie. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		13°C
(57°F)		18°C
(64°F)		26°C
(80°F)		28°C
(83°F)		33°C
(92°F)		34°C
(94°F)		32°C
(89°F)		32°C
(89°F)		22°C
(73°F)		17°C
(63°F)		11°C
(53°F)
Mean maximum9°C
(49°F)		10°C
(51°F)		16°C
(62°F)		22°C
(72°F)		25°C
(78°F)		28°C
(82°F)		30°C
(86°F)		31°C
(88°F)		28°C
(83°F)		21°C
(70°F)		15°C
(58°F)		10°C
(49°F)
Average high2°C
(36°F)		3°C
(38°F)		8°C
(46°F)		13°C
(56°F)		17°C
(63°F)		23°C
(74°F)		23°C
(74°F)		24°C
(75°F)		19°C
(66°F)		14°C
(58°F)		8°C
(46°F)		3°C
(38°F)
Daily mean0°C
(33°F)		1°C
(33°F)		3°C
(39°F)		8°C
(47°F)		13°C
(55°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		15°C
(58°F)		10°C
(51°F)		6°C
(42°F)		2°C
(35°F)
Average low-2°C
(29°F)		-2°C
(28°F)		-0°C
(31°F)		3°C
(37°F)		7°C
(45°F)		13°C
(55°F)		14°C
(57°F)		14°C
(57°F)		10°C
(51°F)		7°C
(44°F)		3°C
(38°F)		-0°C
(32°F)
Mean minimum-10°C
(14°F)		-10°C
(14°F)		-7°C
(20°F)		-3°C
(26°F)		0°C
(33°F)		6°C
(44°F)		9°C
(49°F)		7°C
(46°F)		4°C
(39°F)		0°C
(33°F)		-2°C
(28°F)		-7°C
(19°F)
Minimum-19°C
(-2°F)		-17°C
(1°F)		-15°C
(5°F)		-5°C
(23°F)		-1°C
(31°F)		5°C
(41°F)		7°C
(45°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(29°F)		-5°C
(24°F)		-16°C
(3°F)

Compare climate in Swiecie with other places

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

Monthly average precipitation in Swiecie, Poland

Swiecie usually has the most precipitation in May, June and July, with an average of 13 rainy days and 91 mm (3.6 inches) of precipitation per month. The driest months in Swiecie are February, April and November. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Swiecie. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)39 (1.5)40 (1.6)38 (1.5)83 (3.3)79 (3.1)110 (4.3)64 (2.5)70 (2.7)63 (2.5)37 (1.5)45 (1.8)
Average precipitation days (≥ 1 mm)10811101411149912811

Monthly sunshine hours in Swiecie, Poland

The sunniest months in Swiecie are May, June and July, when the sun shines an average of 13 hours 42 minutes a day. Least sunny months in Swiecie: 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 Swiecie. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours94186263346406432421386299243148116
Mean daily daylight hours8h 6m9h 49m11h 54m14h 2m15h 54m16h 54m16h 22m14h 41m12h 37m10h 30m8h 35m7h 34m

Solar UV radiation in Swiecie, Poland

Swiecie experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 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 Swiecie UV Index data.

Average daily maximum UV levels by month for Swiecie. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124568865321