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Monthly climate in Gralewo, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gralewo features a oceanic climate (Cfb). Temperatures typically range between 1 °C (35 °F) and 20 °C (68 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 648 mm (25.5 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Gralewo enjoys an average of 3350 hours of sunshine throughout the year, and daylight varies from 7 hours 41 minutes to 16 hours 46 minutes per day.

Monthly average temperatures in Gralewo, Poland

The warmest months in Gralewo are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (67 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (35 - 37 °F) throughout the day. On average each year, Gralewo experiences 41 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 Gralewo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		18°C
(65°F)		20°C
(69°F)		27°C
(81°F)		31°C
(88°F)		36°C
(98°F)		37°C
(100°F)		36°C
(96°F)		32°C
(90°F)		25°C
(77°F)		18°C
(64°F)		12°C
(53°F)
Mean maximum11°C
(51°F)		13°C
(56°F)		18°C
(65°F)		23°C
(75°F)		27°C
(81°F)		30°C
(87°F)		32°C
(89°F)		33°C
(91°F)		30°C
(85°F)		22°C
(73°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)		18°C
(65°F)		25°C
(76°F)		24°C
(75°F)		25°C
(77°F)		20°C
(68°F)		15°C
(59°F)		8°C
(47°F)		4°C
(40°F)
Daily mean1°C
(35°F)		2°C
(36°F)		4°C
(40°F)		9°C
(49°F)		14°C
(57°F)		19°C
(67°F)		19°C
(67°F)		20°C
(68°F)		15°C
(60°F)		11°C
(52°F)		6°C
(43°F)		3°C
(37°F)
Average low-1°C
(31°F)		-1°C
(31°F)		0°C
(33°F)		4°C
(39°F)		8°C
(47°F)		14°C
(57°F)		14°C
(58°F)		14°C
(58°F)		11°C
(52°F)		7°C
(45°F)		4°C
(39°F)		1°C
(33°F)
Mean minimum-9°C
(16°F)		-8°C
(18°F)		-6°C
(21°F)		-3°C
(27°F)		2°C
(35°F)		7°C
(45°F)		9°C
(49°F)		8°C
(47°F)		5°C
(41°F)		1°C
(33°F)		-3°C
(28°F)		-6°C
(22°F)
Minimum-17°C
(2°F)		-16°C
(4°F)		-15°C
(6°F)		-4°C
(25°F)		-0°C
(32°F)		4°C
(40°F)		7°C
(45°F)		8°C
(46°F)		3°C
(37°F)		-2°C
(29°F)		-5°C
(24°F)		-17°C
(1°F)

Compare climate in Gralewo with other places

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

Monthly average precipitation in Gralewo, Poland

Gralewo usually has the most precipitation in May, July and October, with an average of 11 rainy days and 73 mm (2.9 inches) of precipitation per month. The driest months in Gralewo are February, April and November. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gralewo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)55 (2.2)45 (1.8)50 (2.0)35 (1.4)59 (2.3)48 (1.9)98 (3.9)55 (2.2)54 (2.1)61 (2.4)42 (1.6)47 (1.9)
Average precipitation days (≥ 1 mm)1110119111012119121011

Monthly sunshine hours in Gralewo, Poland

The sunniest months in Gralewo are May, June and July, when the sun shines an average of 13 hours 23 minutes a day. Least sunny months in Gralewo: January, November and December receive an average of 4 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gralewo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours105192260344394421415387298249159120
Mean daily daylight hours8h 13m9h 52m11h 54m13h 59m15h 48m16h 46m16h 15m14h 37m12h 36m10h 33m8h 41m7h 41m

Solar UV radiation in Gralewo, Poland

Gralewo experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 7 - 7, which corresponds to the 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 Gralewo UV Index data.

Average daily maximum UV levels by month for Gralewo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124577775321