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Monthly climate in Hel, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hel features a oceanic climate (Cfb). Temperatures typically range between 1 °C (35 °F) and 19 °C (67 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 721 mm (28.4 inches) and receives 145 rainy days on the 1 mm (0.04 inches) threshold annually. Hel enjoys an average of 3421 hours of sunshine throughout the year, and daylight varies from 7 hours 20 minutes to 17 hours 9 minutes per day.

Monthly average temperatures in Hel, Poland

The warmest months in Hel are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (64 - 67 °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, Hel experiences 13 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hel. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(51°F)		12°C
(55°F)		15°C
(59°F)		20°C
(69°F)		25°C
(77°F)		30°C
(87°F)		32°C
(89°F)		30°C
(87°F)		29°C
(85°F)		21°C
(70°F)		15°C
(60°F)		10°C
(51°F)
Mean maximum9°C
(48°F)		10°C
(50°F)		13°C
(55°F)		18°C
(65°F)		22°C
(72°F)		25°C
(78°F)		28°C
(82°F)		28°C
(82°F)		27°C
(80°F)		19°C
(67°F)		14°C
(57°F)		9°C
(49°F)
Average high3°C
(38°F)		3°C
(38°F)		6°C
(43°F)		10°C
(50°F)		14°C
(58°F)		21°C
(69°F)		21°C
(71°F)		22°C
(72°F)		18°C
(65°F)		14°C
(57°F)		8°C
(47°F)		4°C
(40°F)
Daily mean2°C
(35°F)		1°C
(35°F)		3°C
(38°F)		7°C
(45°F)		12°C
(53°F)		18°C
(64°F)		19°C
(66°F)		19°C
(67°F)		16°C
(60°F)		11°C
(53°F)		7°C
(45°F)		3°C
(37°F)
Average low0°C
(32°F)		-1°C
(31°F)		1°C
(34°F)		4°C
(39°F)		8°C
(47°F)		14°C
(58°F)		16°C
(61°F)		16°C
(61°F)		13°C
(55°F)		9°C
(48°F)		5°C
(42°F)		1°C
(35°F)
Mean minimum-6°C
(21°F)		-6°C
(21°F)		-5°C
(24°F)		-0°C
(32°F)		3°C
(38°F)		9°C
(48°F)		12°C
(54°F)		11°C
(53°F)		8°C
(47°F)		4°C
(40°F)		-0°C
(32°F)		-4°C
(25°F)
Minimum-12°C
(11°F)		-12°C
(11°F)		-12°C
(12°F)		-2°C
(29°F)		1°C
(34°F)		7°C
(45°F)		11°C
(51°F)		11°C
(51°F)		7°C
(46°F)		3°C
(39°F)		-3°C
(27°F)		-8°C
(18°F)

Compare climate in Hel with other places

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

Monthly average precipitation in Hel, Poland

Hel usually has the most precipitation in July, September and October, with an average of 13 rainy days and 83 mm (3.3 inches) of precipitation per month. The driest months in Hel are February, March and April. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hel. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)52 (2.0)42 (1.7)47 (1.8)34 (1.3)58 (2.3)56 (2.2)89 (3.5)67 (2.6)77 (3.0)82 (3.2)54 (2.1)63 (2.5)
Average precipitation days (≥ 1 mm)1211128129121412151315

Monthly sunshine hours in Hel, Poland

The sunniest months in Hel are May, June and July, when the sun shines an average of 14 hours 7 minutes a day. Least sunny months in Hel: January, November and December receive an average of 4 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hel. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours99190260353418447433392308240153124
Mean daily daylight hours7h 55m9h 42m11h 53m14h 7m16h 6m17h 9m16h 35m14h 48m12h 39m10h 26m8h 25m7h 20m

Solar UV radiation in Hel, Poland

Hel experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 7, which corresponds to the 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 1. For more detailed information, check out our hourly Hel UV Index data.

Average daily maximum UV levels by month for Hel. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124567765311