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Monthly climate in Slupno, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Slupno features a oceanic climate (Cfb). Temperatures typically range between 0 °C (32 °F) and 20 °C (68 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 681 mm (26.8 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Slupno enjoys an average of 3334 hours of sunshine throughout the year, and daylight varies from 7 hours 45 minutes to 16 hours 42 minutes per day.

Monthly average temperatures in Slupno, Poland

The warmest months in Slupno 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 0 to 2 °C (32 - 35 °F) throughout the day. On average each year, Slupno experiences 40 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Slupno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(53°F)		17°C
(63°F)		18°C
(65°F)		27°C
(80°F)		28°C
(82°F)		35°C
(95°F)		35°C
(96°F)		34°C
(94°F)		31°C
(89°F)		24°C
(75°F)		17°C
(63°F)		11°C
(53°F)
Mean maximum9°C
(49°F)		11°C
(53°F)		17°C
(62°F)		23°C
(74°F)		26°C
(79°F)		29°C
(85°F)		32°C
(89°F)		32°C
(89°F)		29°C
(85°F)		22°C
(72°F)		15°C
(59°F)		10°C
(50°F)
Average high2°C
(36°F)		4°C
(39°F)		8°C
(46°F)		14°C
(57°F)		18°C
(65°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		20°C
(67°F)		14°C
(58°F)		8°C
(46°F)		3°C
(38°F)
Daily mean-0°C
(32°F)		1°C
(34°F)		4°C
(39°F)		9°C
(48°F)		13°C
(56°F)		19°C
(67°F)		20°C
(67°F)		20°C
(68°F)		15°C
(59°F)		10°C
(51°F)		5°C
(42°F)		2°C
(35°F)
Average low-2°C
(28°F)		-2°C
(29°F)		-0°C
(32°F)		3°C
(39°F)		8°C
(47°F)		14°C
(57°F)		15°C
(58°F)		14°C
(58°F)		10°C
(51°F)		7°C
(44°F)		3°C
(38°F)		-0°C
(31°F)
Mean minimum-10°C
(14°F)		-9°C
(16°F)		-7°C
(20°F)		-2°C
(28°F)		1°C
(34°F)		7°C
(44°F)		10°C
(50°F)		9°C
(48°F)		4°C
(39°F)		-0°C
(32°F)		-3°C
(26°F)		-7°C
(19°F)
Minimum-18°C
(0°F)		-15°C
(6°F)		-16°C
(4°F)		-4°C
(25°F)		-2°C
(28°F)		6°C
(43°F)		8°C
(47°F)		8°C
(46°F)		3°C
(37°F)		-2°C
(28°F)		-5°C
(22°F)		-13°C
(9°F)

Compare climate in Slupno with other places

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

Monthly average precipitation in Slupno, Poland

Slupno usually has the most precipitation in May, August and September, with an average of 11 rainy days and 80 mm (3.1 inches) of precipitation per month. The driest months in Slupno are March, April and November. On average, 35 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Slupno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)40 (1.6)45 (1.8)40 (1.6)35 (1.4)82 (3.2)69 (2.7)74 (2.9)78 (3.1)80 (3.2)63 (2.5)31 (1.2)46 (1.8)
Average precipitation days (≥ 1 mm)1010108131013101211812

Monthly sunshine hours in Slupno, Poland

The sunniest months in Slupno are May, June and July, when the sun shines an average of 13 hours 20 minutes a day. Least sunny months in Slupno: January, November and December receive an average of 4 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Slupno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours102189266336387421418383292243163129
Mean daily daylight hours8h 16m9h 54m11h 54m13h 57m15h 45m16h 42m16h 12m14h 35m12h 36m10h 34m8h 44m7h 45m

Solar UV radiation in Slupno, Poland

Slupno 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 Slupno UV Index data.

Average daily maximum UV levels by month for Slupno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124568875321