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Monthly climate in Helgoland, Schleswig-Holstein, Germany

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Helgoland features a oceanic climate (Cfb).Temperatures typically range between 4 °C (40 °F) and 18 °C (65 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 24 °C (76 °F).The average annual precipitation amounts to about 961 mm (37.8 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually.Helgoland enjoys an average of 3463 hours of sunshine throughout the year, and daylight varies from 7 hours 25 minutes to 17 hours 4 minutes per day.

Monthly average temperatures in Helgoland, Schleswig-Holstein, Germany §

The warmest months in Helgoland are July, August and September, with daily mean temperatures ranging from 16 to 18 °C (61 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 4 to 5 °C (40 - 41 °F) throughout the day. On average each year, Helgoland experiences 0 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Helgoland, Schleswig-Holstein, Germany.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 10°C
(51°F)		 11°C
(52°F)		 10°C
(50°F)		 14°C
(58°F)		 20°C
(69°F)		 21°C
(71°F)		 24°C
(76°F)		 24°C
(76°F)		 21°C
(71°F)		 19°C
(66°F)		 16°C
(62°F)		 11°C
(52°F)
Mean maximum 9°C
(49°F)		 8°C
(47°F)		 9°C
(48°F)		 12°C
(54°F)		 17°C
(62°F)		 19°C
(67°F)		 22°C
(72°F)		 22°C
(72°F)		 20°C
(68°F)		 18°C
(64°F)		 14°C
(58°F)		 10°C
(50°F)
Average high 6°C
(43°F)		 5°C
(42°F)		 6°C
(43°F)		 8°C
(47°F)		 12°C
(54°F)		 16°C
(62°F)		 18°C
(64°F)		 19°C
(67°F)		 17°C
(63°F)		 14°C
(58°F)		 10°C
(51°F)		 8°C
(46°F)
Daily mean 5°C
(41°F)		 4°C
(40°F)		 5°C
(41°F)		 7°C
(45°F)		 11°C
(52°F)		 15°C
(60°F)		 17°C
(63°F)		 18°C
(65°F)		 16°C
(61°F)		 13°C
(56°F)		 9°C
(49°F)		 7°C
(44°F)
Average low 4°C
(40°F)		 3°C
(38°F)		 4°C
(40°F)		 6°C
(44°F)		 10°C
(50°F)		 14°C
(58°F)		 16°C
(61°F)		 17°C
(63°F)		 15°C
(60°F)		 12°C
(55°F)		 8°C
(47°F)		 6°C
(42°F)
Mean minimum -0°C
(32°F)		 -1°C
(31°F)		 0°C
(33°F)		 3°C
(37°F)		 6°C
(44°F)		 11°C
(53°F)		 14°C
(57°F)		 14°C
(58°F)		 12°C
(55°F)		 9°C
(48°F)		 4°C
(39°F)		 1°C
(35°F)
Minimum -4°C
(26°F)		 -4°C
(26°F)		 -6°C
(21°F)		 2°C
(35°F)		 6°C
(42°F)		 10°C
(51°F)		 13°C
(55°F)		 14°C
(57°F)		 11°C
(52°F)		 6°C
(43°F)		 3°C
(37°F)		 -1°C
(30°F)

Compare climate in Helgoland with other places

Compare temperature, precipitation, sunshine, UV index in Helgoland, Schleswig-Holstein, Germany with other places around the world.

Monthly average precipitation in Helgoland, Schleswig-Holstein, Germany §

Helgoland usually has the most precipitation in September, October and December, with an average of 17 rainy days and 116 mm (4.6 inches) of precipitation per month.The driest months in Helgoland are April, May and June. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Helgoland, Schleswig-Holstein, Germany.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 80 (3.2) 71 (2.8) 65 (2.5) 42 (1.7) 42 (1.7) 56 (2.2) 66 (2.6) 91 (3.6) 107 (4.2) 139 (5.5) 100 (3.9) 102 (4.0)
Average precipitation days (≥ 1 mm) 15 12 11 8 8 8 12 14 13 18 19 20

Monthly sunshine hours in Helgoland, Schleswig-Holstein, Germany §

The sunniest months in Helgoland are May, June and July, when the sun shines an average of 13 hours 47 minutes a day.Least sunny months in Helgoland: January, November and December receive an average of 4 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Helgoland, Schleswig-Holstein, Germany.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 101 187 282 362 417 417 434 403 320 244 168 124
Mean daily daylight hours 7h 59m 9h 45m 11h 54m 14h 5m 16h 2m 17h 4m 16h 30m 14h 45m 12h 38m 10h 27m 8h 29m 7h 25m

Solar UV radiation in Helgoland, Schleswig-Holstein, Germany §

Helgoland 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 Helgoland UV Index data.

Average daily maximum UV levels by month for Helgoland, Schleswig-Holstein, Germany.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 2 3 5 6 8 7 6 5 3 2 1