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Monthly climate in Gruta, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gruta features a oceanic climate (Cfb). Temperatures typically range between 0 °C (32 °F) and 19 °C (66 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 712 mm (28.0 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually. Gruta enjoys an average of 3354 hours of sunshine throughout the year, and daylight varies from 7 hours 34 minutes to 16 hours 54 minutes per day.

Monthly average temperatures in Gruta, Poland

The warmest months in Gruta 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 0 to 1 °C (32 - 35 °F) throughout the day. On average each year, Gruta experiences 29 days above 25 °C (77.0 °F) and 80 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gruta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum11°C
(52°F)		13°C
(56°F)		17°C
(63°F)		26°C
(80°F)		28°C
(84°F)		32°C
(90°F)		33°C
(91°F)		32°C
(90°F)		31°C
(88°F)		22°C
(73°F)		17°C
(62°F)		11°C
(52°F)
Mean maximum9°C
(49°F)		10°C
(51°F)		16°C
(62°F)		22°C
(72°F)		25°C
(78°F)		27°C
(82°F)		30°C
(86°F)		31°C
(88°F)		28°C
(83°F)		21°C
(70°F)		15°C
(58°F)		9°C
(49°F)
Average high2°C
(36°F)		3°C
(38°F)		7°C
(46°F)		13°C
(55°F)		17°C
(63°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		14°C
(58°F)		8°C
(46°F)		3°C
(38°F)
Daily mean0°C
(32°F)		0°C
(33°F)		3°C
(39°F)		8°C
(47°F)		13°C
(55°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		15°C
(59°F)		10°C
(51°F)		6°C
(42°F)		1°C
(35°F)
Average low-2°C
(29°F)		-2°C
(28°F)		-0°C
(31°F)		3°C
(38°F)		7°C
(46°F)		13°C
(55°F)		14°C
(58°F)		14°C
(57°F)		10°C
(51°F)		7°C
(44°F)		3°C
(38°F)		-0°C
(31°F)
Mean minimum-11°C
(13°F)		-10°C
(14°F)		-7°C
(20°F)		-3°C
(27°F)		0°C
(33°F)		6°C
(44°F)		9°C
(49°F)		8°C
(47°F)		4°C
(39°F)		1°C
(34°F)		-3°C
(27°F)		-7°C
(19°F)
Minimum-19°C
(-2°F)		-19°C
(-1°F)		-15°C
(6°F)		-5°C
(24°F)		-1°C
(30°F)		5°C
(41°F)		8°C
(46°F)		7°C
(45°F)		2°C
(36°F)		-1°C
(30°F)		-5°C
(24°F)		-16°C
(4°F)

Compare climate in Gruta with other places

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

Monthly average precipitation in Gruta, Poland

Gruta usually has the most precipitation in May, July and September, with an average of 12 rainy days and 86 mm (3.4 inches) of precipitation per month. The driest months in Gruta are March, April and November. On average, 39 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gruta. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)43 (1.7)42 (1.6)40 (1.6)38 (1.5)84 (3.3)72 (2.8)100 (3.9)68 (2.7)73 (2.9)63 (2.5)39 (1.5)49 (1.9)
Average precipitation days (≥ 1 mm)109119131114101011912

Monthly sunshine hours in Gruta, Poland

The sunniest months in Gruta are May, June and July, when the sun shines an average of 13 hours 43 minutes a day. Least sunny months in Gruta: January, November and December receive an average of 3 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gruta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours94186264345405433423387302242149117
Mean daily daylight hours8h 7m9h 49m11h 54m14h 2m15h 54m16h 54m16h 22m14h 40m12h 37m10h 30m8h 36m7h 34m

Solar UV radiation in Gruta, Poland

Gruta experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 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 Gruta UV Index data.

Average daily maximum UV levels by month for Gruta. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124568865321