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Monthly climate in Larne, Northern Ireland, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Larne features a oceanic climate (Cfb).Temperatures typically range between 6 °C (43 °F) and 14 °C (58 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 20 °C (69 °F).The average annual precipitation amounts to about 1193 mm (47.0 inches) and receives 193 rainy days on the 1 mm (0.04 inches) threshold annually.Larne enjoys an average of 3133 hours of sunshine throughout the year, and daylight varies from 7 hours 17 minutes to 17 hours 13 minutes per day.

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

The warmest months in Larne are July, August and September, with daily mean temperatures ranging from 13 to 14 °C (56 - 58 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 6 to 7 °C (43 - 44 °F) throughout the day. On average each year, Larne 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 Larne, 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 13°C
(56°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(58°F)		 17°C
(62°F)		 19°C
(66°F)		 20°C
(69°F)		 19°C
(66°F)		 20°C
(68°F)		 17°C
(63°F)		 14°C
(58°F)		 13°C
(55°F)
Mean maximum 11°C
(53°F)		 11°C
(52°F)		 12°C
(53°F)		 13°C
(55°F)		 15°C
(60°F)		 17°C
(62°F)		 19°C
(66°F)		 18°C
(65°F)		 18°C
(65°F)		 16°C
(61°F)		 14°C
(57°F)		 12°C
(54°F)
Average high 8°C
(46°F)		 8°C
(46°F)		 8°C
(47°F)		 9°C
(49°F)		 12°C
(54°F)		 14°C
(58°F)		 16°C
(60°F)		 16°C
(61°F)		 15°C
(59°F)		 13°C
(55°F)		 10°C
(51°F)		 8°C
(47°F)
Daily mean 6°C
(44°F)		 6°C
(43°F)		 7°C
(44°F)		 8°C
(47°F)		 10°C
(51°F)		 13°C
(55°F)		 14°C
(58°F)		 14°C
(58°F)		 13°C
(56°F)		 11°C
(53°F)		 9°C
(48°F)		 7°C
(45°F)
Average low 5°C
(41°F)		 5°C
(41°F)		 5°C
(41°F)		 6°C
(44°F)		 9°C
(48°F)		 11°C
(52°F)		 13°C
(55°F)		 13°C
(56°F)		 12°C
(54°F)		 10°C
(50°F)		 8°C
(46°F)		 6°C
(43°F)
Mean minimum 2°C
(35°F)		 1°C
(35°F)		 2°C
(35°F)		 3°C
(38°F)		 5°C
(42°F)		 9°C
(48°F)		 11°C
(51°F)		 11°C
(51°F)		 9°C
(48°F)		 7°C
(44°F)		 4°C
(40°F)		 3°C
(37°F)
Minimum 1°C
(33°F)		 1°C
(33°F)		 -2°C
(29°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 9°C
(49°F)		 10°C
(51°F)		 8°C
(46°F)		 5°C
(41°F)		 3°C
(38°F)		 2°C
(36°F)

Compare climate in Larne with other places

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

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

Larne usually has the most precipitation in August, October and November, with an average of 19 rainy days and 127 mm (5.0 inches) of precipitation per month.The driest months in Larne are January, April and May. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Larne, 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) 78 (3.1) 111 (4.4) 94 (3.7) 45 (1.8) 69 (2.7) 93 (3.7) 108 (4.2) 129 (5.1) 95 (3.8) 125 (4.9) 128 (5.1) 118 (4.7)
Average precipitation days (≥ 1 mm) 14 16 17 10 12 15 15 19 17 19 21 18

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

The sunniest months in Larne are May, June and July, when the sun shines an average of 13 hours 26 minutes a day.Least sunny months in Larne: January, November and December receive an average of 3 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Larne, 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 81 153 221 334 413 408 414 360 302 232 120 90
Mean daily daylight hours 7h 52m 9h 42m 11h 54m 14h 9m 16h 9m 17h 13m 16h 38m 14h 49m 12h 39m 10h 25m 8h 23m 7h 17m

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

Larne 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 Larne UV Index data.

Average daily maximum UV levels by month for Larne, 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 6 8 8 6 5 3 2 1