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Monthly climate in Firlej, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Firlej features a humid continental climate (Dfb). Temperatures typically range between -1 °C (30 °F) and 20 °C (68 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 732 mm (28.8 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually. Firlej enjoys an average of 3346 hours of sunshine throughout the year, and daylight varies from 7 hours 54 minutes to 16 hours 31 minutes per day.

Monthly average temperatures in Firlej, Poland

The warmest months in Firlej are June, July and August, with daily mean temperatures ranging from 20 to 20 °C (68 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (30 - 34 °F) throughout the day. On average each year, Firlej experiences 48 days above 25 °C (77.0 °F) and 82 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Firlej. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		15°C
(59°F)		19°C
(67°F)		27°C
(80°F)		30°C
(86°F)		35°C
(94°F)		36°C
(97°F)		34°C
(94°F)		30°C
(86°F)		24°C
(75°F)		19°C
(66°F)		13°C
(55°F)
Mean maximum8°C
(47°F)		11°C
(53°F)		17°C
(63°F)		23°C
(75°F)		27°C
(80°F)		30°C
(86°F)		32°C
(90°F)		32°C
(90°F)		28°C
(82°F)		22°C
(72°F)		16°C
(62°F)		10°C
(49°F)
Average high1°C
(34°F)		3°C
(38°F)		8°C
(46°F)		14°C
(57°F)		19°C
(66°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		20°C
(68°F)		14°C
(58°F)		8°C
(46°F)		3°C
(38°F)
Daily mean-1°C
(30°F)		0°C
(33°F)		4°C
(39°F)		9°C
(48°F)		14°C
(57°F)		20°C
(68°F)		20°C
(68°F)		20°C
(68°F)		15°C
(59°F)		10°C
(51°F)		5°C
(42°F)		1°C
(34°F)
Average low-4°C
(26°F)		-3°C
(28°F)		-1°C
(31°F)		4°C
(39°F)		9°C
(48°F)		14°C
(58°F)		15°C
(59°F)		14°C
(58°F)		10°C
(51°F)		7°C
(44°F)		3°C
(37°F)		-1°C
(31°F)
Mean minimum-14°C
(8°F)		-11°C
(13°F)		-8°C
(18°F)		-3°C
(27°F)		2°C
(35°F)		7°C
(45°F)		11°C
(51°F)		9°C
(48°F)		3°C
(38°F)		0°C
(33°F)		-4°C
(25°F)		-7°C
(20°F)
Minimum-25°C
(-12°F)		-17°C
(2°F)		-18°C
(0°F)		-6°C
(22°F)		-1°C
(30°F)		4°C
(40°F)		8°C
(47°F)		8°C
(47°F)		1°C
(35°F)		-1°C
(30°F)		-8°C
(18°F)		-13°C
(9°F)

Compare climate in Firlej with other places

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

Monthly average precipitation in Firlej, Poland

Firlej usually has the most precipitation in July, August and September, with an average of 12 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in Firlej are January, March and November. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Firlej. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)39 (1.5)44 (1.7)39 (1.5)49 (1.9)74 (2.9)70 (2.8)87 (3.4)102 (4.0)76 (3.0)64 (2.5)36 (1.4)52 (2.1)
Average precipitation days (≥ 1 mm)10101110131113121111912

Monthly sunshine hours in Firlej, Poland

The sunniest months in Firlej are May, June and July, when the sun shines an average of 13 hours 27 minutes a day. Least sunny months in Firlej: January, November and December receive an average of 4 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Firlej. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours111178268334392417428387297240175115
Mean daily daylight hours8h 24m9h 58m11h 54m13h 53m15h 37m16h 31m16h 3m14h 30m12h 35m10h 37m8h 51m7h 54m

Solar UV radiation in Firlej, Poland

Firlej 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 Firlej UV Index data.

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