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Monthly climate in Killala, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Killala features a oceanic climate (Cfb). Temperatures typically range between 7 °C (44 °F) and 15 °C (59 °F) through the year, but rarely can drop to -2 °C (28 °F) or can rise to as high as 24 °C (76 °F). The average annual precipitation amounts to about 1467 mm (57.7 inches) and receives 224 rainy days on the 1 mm (0.04 inches) threshold annually. Killala enjoys an average of 2818 hours of sunshine throughout the year, and daylight varies from 7 hours 24 minutes to 17 hours 4 minutes per day.

Monthly average temperatures in Killala, Ireland

The warmest months in Killala 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 7 to 7 °C (44 - 45 °F) throughout the day. On average each year, Killala 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 Killala. 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)		15°C
(59°F)		18°C
(64°F)		21°C
(71°F)		22°C
(72°F)		24°C
(76°F)		20°C
(68°F)		21°C
(70°F)		19°C
(66°F)		14°C
(58°F)		13°C
(55°F)
Mean maximum12°C
(53°F)		12°C
(54°F)		12°C
(54°F)		15°C
(59°F)		19°C
(66°F)		18°C
(65°F)		22°C
(71°F)		19°C
(67°F)		19°C
(66°F)		16°C
(61°F)		14°C
(57°F)		12°C
(54°F)
Average high8°C
(47°F)		8°C
(47°F)		9°C
(48°F)		11°C
(52°F)		13°C
(56°F)		15°C
(59°F)		16°C
(62°F)		16°C
(61°F)		15°C
(59°F)		13°C
(55°F)		10°C
(51°F)		9°C
(48°F)
Daily mean7°C
(45°F)		7°C
(44°F)		7°C
(45°F)		9°C
(48°F)		11°C
(52°F)		13°C
(55°F)		15°C
(59°F)		15°C
(59°F)		13°C
(56°F)		11°C
(52°F)		9°C
(48°F)		8°C
(46°F)
Average low5°C
(42°F)		5°C
(41°F)		5°C
(42°F)		7°C
(44°F)		9°C
(48°F)		11°C
(52°F)		13°C
(55°F)		13°C
(56°F)		12°C
(53°F)		10°C
(49°F)		7°C
(46°F)		6°C
(43°F)
Mean minimum1°C
(35°F)		1°C
(34°F)		1°C
(34°F)		3°C
(37°F)		5°C
(42°F)		8°C
(47°F)		10°C
(51°F)		11°C
(51°F)		8°C
(47°F)		6°C
(43°F)		4°C
(39°F)		2°C
(37°F)
Minimum0°C
(32°F)		-1°C
(30°F)		-2°C
(28°F)		1°C
(34°F)		3°C
(37°F)		8°C
(46°F)		10°C
(49°F)		9°C
(49°F)		6°C
(44°F)		4°C
(39°F)		3°C
(37°F)		1°C
(34°F)

Compare climate in Killala with other places

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

Monthly average precipitation in Killala, Ireland

Killala usually has the most precipitation in August, October and December, with an average of 22 rainy days and 158 mm (6.2 inches) of precipitation per month. The driest months in Killala are April, May and June. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Killala. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)109 (4.3)141 (5.5)125 (4.9)68 (2.7)79 (3.1)102 (4.0)107 (4.2)162 (6.4)114 (4.5)162 (6.4)148 (5.8)152 (6.0)
Average precipitation days (≥ 1 mm)171819131418172320222122

Monthly sunshine hours in Killala, Ireland

The sunniest months in Killala are May, June and July, when the sun shines an average of 12 hours 11 minutes a day. Least sunny months in Killala: January, November and December receive an average of 2 hours 50 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Killala. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6813518030139436136432527621510983
Mean daily daylight hours7h 59m9h 45m11h 54m14h 6m16h 2m17h 4m16h 31m14h 45m12h 38m10h 27m8h 29m7h 24m

Solar UV radiation in Killala, Ireland

Killala 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 Killala UV Index data.

Average daily maximum UV levels by month for Killala. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578875321