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Monthly climate in Janow, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Janow features a humid continental climate (Dfb). Temperatures typically range between -2 °C (29 °F) and 19 °C (66 °F) through the year, but rarely can drop to -24 °C (-12 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 740 mm (29.1 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. Janow enjoys an average of 3254 hours of sunshine throughout the year, and daylight varies from 7 hours 33 minutes to 16 hours 55 minutes per day.

Monthly average temperatures in Janow, Poland

The warmest months in Janow 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 -2 to 0 °C (29 - 33 °F) throughout the day. On average each year, Janow experiences 33 days above 25 °C (77.0 °F) and 96 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Janow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum9°C
(48°F)		12°C
(53°F)		16°C
(62°F)		26°C
(78°F)		30°C
(86°F)		33°C
(91°F)		31°C
(89°F)		31°C
(89°F)		28°C
(82°F)		22°C
(72°F)		16°C
(62°F)		10°C
(50°F)
Mean maximum6°C
(43°F)		9°C
(48°F)		14°C
(58°F)		22°C
(72°F)		25°C
(78°F)		28°C
(83°F)		30°C
(85°F)		30°C
(86°F)		26°C
(79°F)		20°C
(68°F)		14°C
(57°F)		8°C
(46°F)
Average high0°C
(33°F)		1°C
(35°F)		6°C
(43°F)		12°C
(54°F)		17°C
(64°F)		24°C
(75°F)		23°C
(74°F)		23°C
(75°F)		18°C
(65°F)		13°C
(55°F)		6°C
(44°F)		2°C
(36°F)
Daily mean-2°C
(29°F)		-1°C
(31°F)		2°C
(37°F)		7°C
(46°F)		13°C
(55°F)		19°C
(66°F)		19°C
(66°F)		18°C
(65°F)		14°C
(57°F)		9°C
(49°F)		4°C
(40°F)		0°C
(33°F)
Average low-4°C
(25°F)		-3°C
(26°F)		-1°C
(30°F)		2°C
(37°F)		7°C
(45°F)		13°C
(55°F)		14°C
(57°F)		13°C
(56°F)		9°C
(49°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(29°F)
Mean minimum-15°C
(6°F)		-11°C
(12°F)		-9°C
(17°F)		-4°C
(26°F)		1°C
(33°F)		6°C
(43°F)		9°C
(49°F)		8°C
(46°F)		2°C
(37°F)		-0°C
(32°F)		-5°C
(24°F)		-8°C
(18°F)
Minimum-24°C
(-12°F)		-18°C
(-1°F)		-18°C
(1°F)		-6°C
(21°F)		-1°C
(30°F)		3°C
(38°F)		7°C
(45°F)		7°C
(44°F)		0°C
(32°F)		-3°C
(27°F)		-7°C
(19°F)		-14°C
(7°F)

Compare climate in Janow with other places

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

Monthly average precipitation in Janow, Poland

Janow usually has the most precipitation in May, July and August, with an average of 12 rainy days and 91 mm (3.6 inches) of precipitation per month. The driest months in Janow are February, March and November. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Janow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)40 (1.6)41 (1.6)45 (1.8)77 (3.0)58 (2.3)103 (4.1)93 (3.7)75 (3.0)64 (2.5)41 (1.6)57 (2.2)
Average precipitation days (≥ 1 mm)11911101111141210121113

Monthly sunshine hours in Janow, Poland

The sunniest months in Janow are May, June and July, when the sun shines an average of 13 hours 51 minutes a day. Least sunny months in Janow: January, November and December receive an average of 3 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Janow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours83168253335408437429382292222134105
Mean daily daylight hours8h 6m9h 48m11h 54m14h 2m15h 55m16h 55m16h 23m14h 41m12h 37m10h 30m8h 35m7h 33m

Solar UV radiation in Janow, Poland

Janow 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 Janow UV Index data.

Average daily maximum UV levels by month for Janow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124568775321