nomadseason

Monthly climate in Siedlec, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Siedlec features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 20 °C (69 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 623 mm (24.5 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Siedlec enjoys an average of 3355 hours of sunshine throughout the year, and daylight varies from 7 hours 46 minutes to 16 hours 40 minutes per day.

Monthly average temperatures in Siedlec, Poland

The warmest months in Siedlec are June, July and August, with daily mean temperatures ranging from 20 to 20 °C (68 - 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, Siedlec experiences 48 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 Siedlec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		19°C
(67°F)		21°C
(69°F)		28°C
(82°F)		32°C
(89°F)		38°C
(100°F)		38°C
(101°F)		35°C
(95°F)		33°C
(92°F)		24°C
(76°F)		18°C
(65°F)		12°C
(53°F)
Mean maximum10°C
(51°F)		13°C
(56°F)		19°C
(66°F)		24°C
(75°F)		28°C
(83°F)		31°C
(88°F)		33°C
(91°F)		33°C
(92°F)		30°C
(87°F)		23°C
(75°F)		16°C
(61°F)		11°C
(52°F)
Average high3°C
(38°F)		5°C
(41°F)		9°C
(48°F)		14°C
(58°F)		19°C
(66°F)		25°C
(78°F)		25°C
(77°F)		26°C
(79°F)		20°C
(69°F)		15°C
(59°F)		8°C
(47°F)		4°C
(40°F)
Daily mean1°C
(34°F)		2°C
(36°F)		5°C
(41°F)		9°C
(49°F)		14°C
(57°F)		20°C
(68°F)		20°C
(68°F)		20°C
(69°F)		15°C
(60°F)		11°C
(52°F)		6°C
(43°F)		3°C
(37°F)
Average low-1°C
(30°F)		-1°C
(30°F)		1°C
(33°F)		4°C
(39°F)		8°C
(47°F)		14°C
(58°F)		15°C
(59°F)		15°C
(59°F)		11°C
(52°F)		7°C
(46°F)		4°C
(39°F)		0°C
(33°F)
Mean minimum-10°C
(14°F)		-9°C
(17°F)		-6°C
(21°F)		-2°C
(28°F)		2°C
(36°F)		7°C
(45°F)		9°C
(49°F)		8°C
(47°F)		5°C
(41°F)		0°C
(33°F)		-3°C
(27°F)		-6°C
(21°F)
Minimum-19°C
(-2°F)		-16°C
(3°F)		-14°C
(7°F)		-4°C
(26°F)		-1°C
(31°F)		4°C
(40°F)		7°C
(45°F)		6°C
(44°F)		2°C
(36°F)		-2°C
(28°F)		-5°C
(23°F)		-16°C
(4°F)

Compare climate in Siedlec with other places

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

Monthly average precipitation in Siedlec, Poland

Siedlec usually has the most precipitation in May, July and August, with an average of 12 rainy days and 68 mm (2.7 inches) of precipitation per month. The driest months in Siedlec are February, April and November. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siedlec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)48 (1.9)44 (1.7)44 (1.7)32 (1.3)62 (2.4)47 (1.8)83 (3.3)60 (2.4)57 (2.2)59 (2.3)39 (1.5)47 (1.8)
Average precipitation days (≥ 1 mm)11912812101311912812

Monthly sunshine hours in Siedlec, Poland

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

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siedlec. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours110193264339390421415384298246166123
Mean daily daylight hours8h 17m9h 55m11h 54m13h 57m15h 44m16h 40m16h 10m14h 34m12h 36m10h 34m8h 45m7h 46m

Solar UV radiation in Siedlec, Poland

Siedlec 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 Siedlec UV Index data.

Average daily maximum UV levels by month for Siedlec. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578876321