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Monthly climate in Douglas, Isle of Man

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Douglas features a oceanic climate (Cfb).Temperatures typically range between 7 °C (45 °F) and 15 °C (59 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 19 °C (67 °F).The average annual precipitation amounts to about 1155 mm (45.5 inches) and receives 182 rainy days on the 1 mm (0.04 inches) threshold annually.Douglas enjoys an average of 3194 hours of sunshine throughout the year, and daylight varies from 7 hours 23 minutes to 17 hours 6 minutes per day.

Monthly average temperatures in Douglas, Isle of Man §

The warmest months in Douglas are July, August and September, with daily mean temperatures ranging from 14 to 15 °C (58 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 7 to 7 °C (45 - 46 °F) throughout the day. On average each year, Douglas experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Douglas, Isle of Man.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 13°C
(55°F)		 12°C
(54°F)		 11°C
(52°F)		 13°C
(56°F)		 16°C
(62°F)		 18°C
(65°F)		 19°C
(66°F)		 18°C
(65°F)		 19°C
(67°F)		 17°C
(63°F)		 14°C
(58°F)		 13°C
(55°F)
Mean maximum 11°C
(52°F)		 11°C
(51°F)		 10°C
(50°F)		 12°C
(53°F)		 15°C
(59°F)		 16°C
(60°F)		 18°C
(65°F)		 18°C
(64°F)		 17°C
(63°F)		 16°C
(61°F)		 14°C
(57°F)		 12°C
(54°F)
Average high 8°C
(47°F)		 8°C
(47°F)		 8°C
(47°F)		 9°C
(49°F)		 11°C
(52°F)		 14°C
(57°F)		 15°C
(60°F)		 16°C
(61°F)		 15°C
(60°F)		 13°C
(56°F)		 11°C
(52°F)		 9°C
(49°F)
Daily mean 7°C
(46°F)		 7°C
(45°F)		 7°C
(45°F)		 8°C
(47°F)		 10°C
(51°F)		 13°C
(55°F)		 14°C
(58°F)		 15°C
(59°F)		 14°C
(58°F)		 12°C
(55°F)		 10°C
(50°F)		 8°C
(47°F)
Average low 7°C
(44°F)		 6°C
(43°F)		 6°C
(43°F)		 7°C
(45°F)		 10°C
(49°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(58°F)		 13°C
(56°F)		 12°C
(53°F)		 9°C
(49°F)		 7°C
(46°F)
Mean minimum 4°C
(39°F)		 2°C
(36°F)		 3°C
(37°F)		 4°C
(40°F)		 7°C
(44°F)		 10°C
(51°F)		 12°C
(54°F)		 13°C
(55°F)		 11°C
(52°F)		 9°C
(48°F)		 6°C
(43°F)		 4°C
(40°F)
Minimum 3°C
(37°F)		 1°C
(34°F)		 -1°C
(30°F)		 3°C
(38°F)		 5°C
(42°F)		 9°C
(49°F)		 11°C
(53°F)		 12°C
(54°F)		 10°C
(51°F)		 7°C
(44°F)		 5°C
(42°F)		 3°C
(38°F)

Compare climate in Douglas with other places

Compare temperature, precipitation, sunshine, UV index in Douglas, Isle of Man with other places around the world.

Monthly average precipitation in Douglas, Isle of Man §

Douglas usually has the most precipitation in October, November and December, with an average of 20 rainy days and 142 mm (5.6 inches) of precipitation per month.The driest months in Douglas are April, May and June. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Douglas, Isle of Man.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) 82 (3.2) 111 (4.4) 91 (3.6) 37 (1.5) 49 (1.9) 74 (2.9) 82 (3.2) 101 (4.0) 101 (4.0) 145 (5.7) 141 (5.6) 141 (5.6)
Average precipitation days (≥ 1 mm) 13 18 17 7 10 11 13 17 15 19 20 22

Monthly sunshine hours in Douglas, Isle of Man §

The sunniest months in Douglas are May, June and July, when the sun shines an average of 13 hours 29 minutes a day.Least sunny months in Douglas: January, November and December receive an average of 3 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Douglas, Isle of Man.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 86 157 227 343 417 407 416 370 308 239 123 96
Mean daily daylight hours 7h 58m 9h 44m 11h 54m 14h 6m 16h 3m 17h 6m 16h 32m 14h 46m 12h 38m 10h 27m 8h 28m 7h 23m

Solar UV radiation in Douglas, Isle of Man §

Douglas 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 Douglas UV Index data.

Average daily maximum UV levels by month for Douglas, Isle of Man.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 8 6 5 3 2 1