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Monthly climate in Tarnow, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tarnow features a humid continental climate (Dfb). Temperatures typically range between -1 °C (31 °F) and 18 °C (66 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 840 mm (33.1 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. Tarnow enjoys an average of 3449 hours of sunshine throughout the year, and daylight varies from 8 hours 4 minutes to 16 hours 21 minutes per day.

Monthly average temperatures in Tarnow, Poland

The warmest months in Tarnow are June, July and August, with daily mean temperatures ranging from 18 to 18 °C (64 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (31 - 34 °F) throughout the day. On average each year, Tarnow experiences 24 days above 25 °C (77.0 °F) and 86 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tarnow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		15°C
(60°F)		20°C
(68°F)		26°C
(78°F)		28°C
(83°F)		32°C
(89°F)		31°C
(89°F)		32°C
(90°F)		28°C
(83°F)		22°C
(72°F)		17°C
(62°F)		11°C
(52°F)
Mean maximum8°C
(47°F)		11°C
(52°F)		17°C
(64°F)		22°C
(72°F)		25°C
(77°F)		27°C
(82°F)		29°C
(85°F)		29°C
(85°F)		27°C
(80°F)		22°C
(71°F)		14°C
(58°F)		9°C
(49°F)
Average high1°C
(35°F)		4°C
(39°F)		7°C
(45°F)		12°C
(55°F)		16°C
(62°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		18°C
(65°F)		14°C
(57°F)		7°C
(45°F)		3°C
(38°F)
Daily mean-1°C
(31°F)		1°C
(33°F)		3°C
(38°F)		8°C
(46°F)		12°C
(54°F)		18°C
(64°F)		18°C
(65°F)		18°C
(66°F)		14°C
(57°F)		10°C
(50°F)		5°C
(41°F)		1°C
(34°F)
Average low-3°C
(26°F)		-2°C
(28°F)		-1°C
(31°F)		3°C
(38°F)		7°C
(45°F)		13°C
(55°F)		13°C
(55°F)		14°C
(57°F)		10°C
(50°F)		6°C
(43°F)		3°C
(37°F)		-1°C
(30°F)
Mean minimum-11°C
(13°F)		-10°C
(14°F)		-8°C
(19°F)		-3°C
(26°F)		1°C
(34°F)		7°C
(44°F)		7°C
(45°F)		7°C
(45°F)		3°C
(38°F)		-1°C
(31°F)		-4°C
(24°F)		-8°C
(18°F)
Minimum-18°C
(-1°F)		-19°C
(-2°F)		-16°C
(3°F)		-7°C
(19°F)		-2°C
(29°F)		5°C
(42°F)		6°C
(43°F)		6°C
(43°F)		-0°C
(32°F)		-3°C
(28°F)		-9°C
(17°F)		-14°C
(8°F)

Compare climate in Tarnow with other places

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

Monthly average precipitation in Tarnow, Poland

Tarnow usually has the most precipitation in May, June and August, with an average of 13 rainy days and 99 mm (3.9 inches) of precipitation per month. The driest months in Tarnow are January, March and November. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tarnow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)51 (2.0)48 (1.9)53 (2.1)99 (3.9)99 (3.9)90 (3.6)98 (3.9)89 (3.5)72 (2.8)40 (1.6)55 (2.2)
Average precipitation days (≥ 1 mm)11121210151314121211913

Monthly sunshine hours in Tarnow, Poland

The sunniest months in Tarnow are June, July and August, when the sun shines an average of 13 hours 21 minutes a day. Least sunny months in Tarnow: January, November and December receive an average of 4 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tarnow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours123201288328383408434385309261181140
Mean daily daylight hours8h 32m10h 3m11h 55m13h 49m15h 29m16h 21m15h 53m14h 24m12h 34m10h 40m8h 58m8h 4m

Solar UV radiation in Tarnow, Poland

Tarnow 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, November 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 Tarnow UV Index data.

Average daily maximum UV levels by month for Tarnow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234678876421