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Monthly climate in Castle Douglas, Scotland, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Castle Douglas features a oceanic climate (Cfb).Temperatures typically range between 5 °C (41 °F) and 15 °C (60 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 27 °C (82 °F).The average annual precipitation amounts to about 1315 mm (51.8 inches) and receives 183 rainy days on the 1 mm (0.04 inches) threshold annually.Castle Douglas enjoys an average of 2925 hours of sunshine throughout the year, and daylight varies from 7 hours 16 minutes to 17 hours 14 minutes per day.

Monthly average temperatures in Castle Douglas, Scotland, United Kingdom §

The warmest months in Castle Douglas are June, July and August, with daily mean temperatures ranging from 14 to 15 °C (57 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 5 °C (41 - 42 °F) throughout the day. On average each year, Castle Douglas experiences 1 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Castle Douglas, Scotland, United Kingdom.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)		 14°C
(57°F)		 17°C
(62°F)		 20°C
(69°F)		 24°C
(76°F)		 27°C
(82°F)		 27°C
(80°F)		 26°C
(78°F)		 25°C
(78°F)		 20°C
(68°F)		 14°C
(57°F)		 12°C
(54°F)
Mean maximum 11°C
(52°F)		 12°C
(53°F)		 14°C
(57°F)		 17°C
(62°F)		 21°C
(70°F)		 23°C
(73°F)		 24°C
(76°F)		 23°C
(73°F)		 20°C
(69°F)		 16°C
(62°F)		 13°C
(56°F)		 12°C
(53°F)
Average high 7°C
(44°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(53°F)		 14°C
(58°F)		 17°C
(63°F)		 19°C
(66°F)		 18°C
(64°F)		 16°C
(60°F)		 12°C
(55°F)		 9°C
(49°F)		 7°C
(45°F)
Daily mean 5°C
(41°F)		 5°C
(41°F)		 6°C
(43°F)		 8°C
(46°F)		 11°C
(52°F)		 14°C
(57°F)		 15°C
(60°F)		 15°C
(59°F)		 13°C
(55°F)		 10°C
(50°F)		 7°C
(45°F)		 5°C
(42°F)
Average low 2°C
(37°F)		 3°C
(37°F)		 3°C
(38°F)		 4°C
(40°F)		 7°C
(45°F)		 10°C
(51°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 7°C
(46°F)		 5°C
(41°F)		 3°C
(38°F)
Mean minimum -4°C
(25°F)		 -3°C
(28°F)		 -2°C
(28°F)		 -1°C
(30°F)		 2°C
(35°F)		 6°C
(43°F)		 8°C
(47°F)		 7°C
(46°F)		 4°C
(39°F)		 -1°C
(31°F)		 -1°C
(30°F)		 -3°C
(27°F)
Minimum -11°C
(12°F)		 -4°C
(25°F)		 -5°C
(23°F)		 -4°C
(26°F)		 -0°C
(32°F)		 5°C
(42°F)		 7°C
(45°F)		 6°C
(43°F)		 1°C
(34°F)		 -3°C
(27°F)		 -3°C
(26°F)		 -6°C
(21°F)

Compare climate in Castle Douglas with other places

Compare temperature, precipitation, sunshine, UV index in Castle Douglas, Scotland, United Kingdom with other places around the world.

Monthly average precipitation in Castle Douglas, Scotland, United Kingdom §

Castle Douglas usually has the most precipitation in February, August and October, with an average of 17 rainy days and 147 mm (5.8 inches) of precipitation per month.The driest months in Castle Douglas are January, April and May. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castle Douglas, Scotland, United Kingdom.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) 84 (3.3) 155 (6.1) 107 (4.2) 50 (1.9) 70 (2.8) 104 (4.1) 102 (4.0) 137 (5.4) 101 (4.0) 148 (5.8) 130 (5.1) 126 (5.0)
Average precipitation days (≥ 1 mm) 11 16 16 10 14 16 14 19 16 17 17 17

Monthly sunshine hours in Castle Douglas, Scotland, United Kingdom §

The sunniest months in Castle Douglas are May, June and July, when the sun shines an average of 12 hours 45 minutes a day.Least sunny months in Castle Douglas: January, November and December receive an average of 2 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castle Douglas, Scotland, United Kingdom.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 71 134 194 322 396 379 397 347 282 211 111 75
Mean daily daylight hours 7h 51m 9h 41m 11h 53m 14h 9m 16h 9m 17h 14m 16h 39m 14h 50m 12h 39m 10h 25m 8h 22m 7h 16m

Solar UV radiation in Castle Douglas, Scotland, United Kingdom §

Castle 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, 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 Castle Douglas UV Index data.

Average daily maximum UV levels by month for Castle Douglas, Scotland, United Kingdom.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 1 1