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Monthly climate in Buncrana, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Buncrana features a oceanic climate (Cfb). Temperatures typically range between 6 °C (44 °F) and 15 °C (59 °F) through the year, but rarely can drop to -3 °C (28 °F) or can rise to as high as 27 °C (80 °F). The average annual precipitation amounts to about 1112 mm (43.8 inches) and receives 203 rainy days on the 1 mm (0.04 inches) threshold annually. Buncrana enjoys an average of 2929 hours of sunshine throughout the year, and daylight varies from 7 hours 13 minutes to 17 hours 17 minutes per day.

Monthly average temperatures in Buncrana, Ireland

The warmest months in Buncrana are July, August and September, with daily mean temperatures ranging from 13 to 15 °C (56 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 6 to 7 °C (44 - 45 °F) throughout the day. On average each year, Buncrana experiences 0 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Buncrana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		14°C
(58°F)		16°C
(61°F)		21°C
(69°F)		25°C
(76°F)		26°C
(79°F)		27°C
(80°F)		22°C
(71°F)		24°C
(75°F)		19°C
(67°F)		15°C
(60°F)		13°C
(56°F)
Mean maximum12°C
(54°F)		12°C
(54°F)		14°C
(58°F)		17°C
(63°F)		21°C
(70°F)		21°C
(70°F)		24°C
(76°F)		21°C
(70°F)		20°C
(69°F)		17°C
(63°F)		14°C
(58°F)		12°C
(55°F)
Average high8°C
(47°F)		8°C
(47°F)		9°C
(49°F)		11°C
(53°F)		14°C
(57°F)		16°C
(61°F)		17°C
(64°F)		17°C
(63°F)		16°C
(61°F)		13°C
(55°F)		10°C
(51°F)		9°C
(48°F)
Daily mean7°C
(44°F)		6°C
(44°F)		7°C
(45°F)		9°C
(48°F)		11°C
(53°F)		13°C
(56°F)		15°C
(59°F)		15°C
(59°F)		13°C
(56°F)		11°C
(52°F)		9°C
(48°F)		7°C
(45°F)
Average low5°C
(41°F)		4°C
(40°F)		5°C
(41°F)		6°C
(43°F)		8°C
(47°F)		11°C
(52°F)		13°C
(55°F)		13°C
(55°F)		11°C
(52°F)		9°C
(49°F)		7°C
(45°F)		6°C
(42°F)
Mean minimum0°C
(33°F)		0°C
(33°F)		1°C
(34°F)		2°C
(37°F)		4°C
(40°F)		7°C
(46°F)		10°C
(49°F)		10°C
(50°F)		7°C
(45°F)		5°C
(41°F)		3°C
(38°F)		1°C
(34°F)
Minimum-1°C
(30°F)		-1°C
(31°F)		-3°C
(28°F)		1°C
(34°F)		2°C
(37°F)		6°C
(44°F)		9°C
(49°F)		9°C
(48°F)		5°C
(41°F)		3°C
(38°F)		1°C
(35°F)		-1°C
(31°F)

Compare climate in Buncrana with other places

Compare temperature, precipitation, sunshine, UV index in Buncrana, Ireland with other places around the world.

Monthly average precipitation in Buncrana, Ireland

Buncrana usually has the most precipitation in August, October and December, with an average of 20 rainy days and 118 mm (4.6 inches) of precipitation per month. The driest months in Buncrana are January, April and May. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Buncrana. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)77 (3.0)106 (4.2)94 (3.7)51 (2.0)72 (2.8)84 (3.3)82 (3.2)125 (4.9)92 (3.6)112 (4.4)101 (4.0)116 (4.6)
Average precipitation days (≥ 1 mm)141618131516152117191920

Monthly sunshine hours in Buncrana, Ireland

The sunniest months in Buncrana are May, June and July, when the sun shines an average of 12 hours 40 minutes a day. Least sunny months in Buncrana: January, November and December receive an average of 2 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Buncrana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6914319831239837738934727722011478
Mean daily daylight hours7h 49m9h 40m11h 53m14h 10m16h 11m17h 17m16h 41m14h 51m12h 39m10h 24m8h 20m7h 13m

Solar UV radiation in Buncrana, Ireland

Buncrana experiences the highest level of ultraviolet (UV) radiation in June, July and August, 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 Buncrana UV Index data.

Average daily maximum UV levels by month for Buncrana. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124568875321