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Monthly climate in Ardfinnan, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ardfinnan features a oceanic climate (Cfb). Temperatures typically range between 6 °C (43 °F) and 16 °C (61 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 28 °C (82 °F). The average annual precipitation amounts to about 983 mm (38.7 inches) and receives 160 rainy days on the 1 mm (0.04 inches) threshold annually. Ardfinnan enjoys an average of 3048 hours of sunshine throughout the year, and daylight varies from 7 hours 47 minutes to 16 hours 39 minutes per day.

Monthly average temperatures in Ardfinnan, Ireland

The warmest months in Ardfinnan are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 61 °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, Ardfinnan experiences 1 days above 25 °C (77.0 °F) and 19 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ardfinnan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		14°C
(57°F)		16°C
(61°F)		19°C
(66°F)		23°C
(74°F)		28°C
(82°F)		27°C
(80°F)		24°C
(75°F)		24°C
(76°F)		18°C
(65°F)		15°C
(60°F)		14°C
(57°F)
Mean maximum12°C
(54°F)		13°C
(55°F)		14°C
(58°F)		16°C
(62°F)		20°C
(68°F)		23°C
(73°F)		24°C
(75°F)		22°C
(72°F)		21°C
(70°F)		17°C
(62°F)		14°C
(58°F)		13°C
(55°F)
Average high8°C
(47°F)		9°C
(48°F)		10°C
(50°F)		12°C
(54°F)		15°C
(59°F)		17°C
(63°F)		19°C
(67°F)		18°C
(65°F)		17°C
(62°F)		13°C
(56°F)		10°C
(51°F)		9°C
(48°F)
Daily mean6°C
(43°F)		6°C
(44°F)		7°C
(44°F)		9°C
(48°F)		11°C
(52°F)		14°C
(57°F)		16°C
(61°F)		15°C
(60°F)		13°C
(56°F)		11°C
(51°F)		8°C
(46°F)		7°C
(44°F)
Average low3°C
(38°F)		4°C
(39°F)		3°C
(38°F)		5°C
(41°F)		7°C
(45°F)		10°C
(51°F)		12°C
(55°F)		12°C
(54°F)		10°C
(50°F)		8°C
(46°F)		5°C
(42°F)		4°C
(40°F)
Mean minimum-2°C
(28°F)		-1°C
(30°F)		-2°C
(29°F)		-1°C
(30°F)		1°C
(35°F)		6°C
(43°F)		8°C
(47°F)		7°C
(45°F)		4°C
(39°F)		1°C
(35°F)		-1°C
(31°F)		-1°C
(30°F)
Minimum-4°C
(24°F)		-3°C
(27°F)		-7°C
(20°F)		-2°C
(28°F)		-1°C
(31°F)		5°C
(41°F)		7°C
(45°F)		5°C
(42°F)		1°C
(35°F)		-1°C
(30°F)		-2°C
(29°F)		-3°C
(27°F)

Compare climate in Ardfinnan with other places

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

Monthly average precipitation in Ardfinnan, Ireland

Ardfinnan usually has the most precipitation in February, October and December, with an average of 15 rainy days and 105 mm (4.1 inches) of precipitation per month. The driest months in Ardfinnan are January, June and September. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ardfinnan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)55 (2.2)107 (4.2)89 (3.5)69 (2.7)68 (2.7)63 (2.5)67 (2.7)96 (3.8)65 (2.5)100 (3.9)94 (3.7)110 (4.3)
Average precipitation days (≥ 1 mm)111717111111121612131415

Monthly sunshine hours in Ardfinnan, Ireland

The sunniest months in Ardfinnan are May, June and July, when the sun shines an average of 12 hours 52 minutes a day. Least sunny months in Ardfinnan: January, November and December receive an average of 3 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ardfinnan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours90144199302394389399351298238130106
Mean daily daylight hours8h 18m9h 55m11h 54m13h 57m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 45m7h 47m

Solar UV radiation in Ardfinnan, Ireland

Ardfinnan 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 Ardfinnan UV Index data.

Average daily maximum UV levels by month for Ardfinnan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578875421