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Monthly climate in Ardglass, Northern Ireland, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ardglass features a oceanic climate (Cfb).Temperatures typically range between 7 °C (45 °F) and 15 °C (60 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 23 °C (73 °F).The average annual precipitation amounts to about 931 mm (36.7 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually.Ardglass enjoys an average of 3130 hours of sunshine throughout the year, and daylight varies from 7 hours 24 minutes to 17 hours 5 minutes per day.

Monthly average temperatures in Ardglass, Northern Ireland, United Kingdom §

The warmest months in Ardglass are July, August and September, with daily mean temperatures ranging from 14 to 15 °C (58 - 60 °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, Ardglass 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 Ardglass, Northern Ireland, 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 14°C
(57°F)		 13°C
(55°F)		 13°C
(56°F)		 15°C
(60°F)		 18°C
(65°F)		 21°C
(70°F)		 23°C
(73°F)		 19°C
(67°F)		 19°C
(67°F)		 17°C
(63°F)		 15°C
(59°F)		 13°C
(56°F)
Mean maximum 12°C
(54°F)		 12°C
(53°F)		 12°C
(54°F)		 13°C
(56°F)		 16°C
(62°F)		 18°C
(64°F)		 20°C
(69°F)		 19°C
(66°F)		 18°C
(65°F)		 16°C
(62°F)		 14°C
(58°F)		 13°C
(55°F)
Average high 8°C
(47°F)		 9°C
(48°F)		 9°C
(49°F)		 10°C
(51°F)		 13°C
(55°F)		 15°C
(60°F)		 17°C
(63°F)		 17°C
(63°F)		 16°C
(61°F)		 13°C
(57°F)		 11°C
(52°F)		 9°C
(49°F)
Daily mean 7°C
(45°F)		 7°C
(45°F)		 7°C
(46°F)		 9°C
(48°F)		 11°C
(52°F)		 14°C
(57°F)		 15°C
(60°F)		 15°C
(60°F)		 14°C
(58°F)		 12°C
(54°F)		 10°C
(50°F)		 8°C
(47°F)
Average low 6°C
(43°F)		 5°C
(42°F)		 6°C
(43°F)		 7°C
(45°F)		 9°C
(49°F)		 12°C
(53°F)		 13°C
(56°F)		 14°C
(57°F)		 12°C
(55°F)		 10°C
(51°F)		 8°C
(47°F)		 7°C
(44°F)
Mean minimum 2°C
(37°F)		 2°C
(35°F)		 2°C
(36°F)		 4°C
(39°F)		 6°C
(42°F)		 9°C
(48°F)		 11°C
(52°F)		 11°C
(52°F)		 9°C
(49°F)		 7°C
(45°F)		 5°C
(41°F)		 4°C
(39°F)
Minimum 1°C
(34°F)		 1°C
(34°F)		 -2°C
(29°F)		 2°C
(36°F)		 4°C
(39°F)		 8°C
(47°F)		 10°C
(51°F)		 10°C
(50°F)		 8°C
(46°F)		 5°C
(41°F)		 4°C
(39°F)		 2°C
(36°F)

Compare climate in Ardglass with other places

Compare temperature, precipitation, sunshine, UV index in Ardglass, Northern Ireland, United Kingdom with other places around the world.

Monthly average precipitation in Ardglass, Northern Ireland, United Kingdom §

Ardglass usually has the most precipitation in October, November and December, with an average of 17 rainy days and 104 mm (4.1 inches) of precipitation per month.The driest months in Ardglass are January, April and May. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ardglass, Northern Ireland, 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) 61 (2.4) 88 (3.5) 76 (3.0) 37 (1.5) 50 (2.0) 68 (2.7) 70 (2.8) 98 (3.8) 71 (2.8) 102 (4.0) 110 (4.3) 99 (3.9)
Average precipitation days (≥ 1 mm) 10 14 15 8 11 12 13 16 14 16 18 17

Monthly sunshine hours in Ardglass, Northern Ireland, United Kingdom §

The sunniest months in Ardglass are May, June and July, when the sun shines an average of 13 hours 18 minutes a day.Least sunny months in Ardglass: January, November and December receive an average of 3 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ardglass, Northern Ireland, 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 84 154 219 333 410 404 409 359 303 237 121 92
Mean daily daylight hours 7h 58m 9h 45m 11h 54m 14h 6m 16h 3m 17h 5m 16h 31m 14h 46m 12h 38m 10h 27m 8h 28m 7h 24m

Solar UV radiation in Ardglass, Northern Ireland, United Kingdom §

Ardglass experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 7 - 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 Ardglass UV Index data.

Average daily maximum UV levels by month for Ardglass, Northern Ireland, 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 7 8 8 6 5 3 2 1