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Monthly climate in Ardara, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ardara features a oceanic climate (Cfb). Temperatures typically range between 6 °C (43 °F) and 15 °C (59 °F) through the year, but rarely can drop to -3 °C (27 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 1543 mm (60.8 inches) and receives 233 rainy days on the 1 mm (0.04 inches) threshold annually. Ardara enjoys an average of 2777 hours of sunshine throughout the year, and daylight varies from 7 hours 18 minutes to 17 hours 12 minutes per day.

Monthly average temperatures in Ardara, Ireland

The warmest months in Ardara 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 (43 - 44 °F) throughout the day. On average each year, Ardara 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 Ardara. 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)		19°C
(67°F)		23°C
(73°F)		25°C
(77°F)		26°C
(79°F)		21°C
(71°F)		22°C
(73°F)		19°C
(67°F)		15°C
(58°F)		13°C
(55°F)
Mean maximum12°C
(53°F)		12°C
(53°F)		13°C
(56°F)		16°C
(61°F)		20°C
(69°F)		20°C
(68°F)		23°C
(74°F)		20°C
(68°F)		19°C
(67°F)		16°C
(62°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)		14°C
(57°F)		15°C
(60°F)		17°C
(62°F)		16°C
(62°F)		15°C
(60°F)		12°C
(55°F)		10°C
(50°F)		9°C
(48°F)
Daily mean6°C
(44°F)		6°C
(43°F)		7°C
(44°F)		9°C
(48°F)		11°C
(52°F)		13°C
(56°F)		15°C
(59°F)		15°C
(58°F)		13°C
(56°F)		11°C
(52°F)		8°C
(47°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
(48°F)		7°C
(44°F)		6°C
(42°F)
Mean minimum0°C
(33°F)		0°C
(33°F)		1°C
(34°F)		2°C
(36°F)		4°C
(40°F)		7°C
(45°F)		10°C
(50°F)		10°C
(50°F)		7°C
(45°F)		4°C
(40°F)		2°C
(37°F)		1°C
(35°F)
Minimum-1°C
(30°F)		-2°C
(29°F)		-3°C
(27°F)		0°C
(33°F)		2°C
(36°F)		6°C
(44°F)		9°C
(49°F)		8°C
(47°F)		5°C
(41°F)		3°C
(37°F)		0°C
(33°F)		-1°C
(31°F)

Compare climate in Ardara with other places

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

Monthly average precipitation in Ardara, Ireland

Ardara usually has the most precipitation in August, October and December, with an average of 22 rainy days and 168 mm (6.6 inches) of precipitation per month. The driest months in Ardara are January, April and May. On average, 87 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ardara. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)112 (4.4)148 (5.8)129 (5.1)63 (2.5)85 (3.4)113 (4.4)115 (4.5)170 (6.7)131 (5.2)176 (6.9)142 (5.6)159 (6.3)
Average precipitation days (≥ 1 mm)181819151618182221232223

Monthly sunshine hours in Ardara, Ireland

The sunniest months in Ardara are May, June and July, when the sun shines an average of 12 hours 6 minutes a day. Least sunny months in Ardara: January, November and December receive an average of 2 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ardara. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6413418029738935936532426821310675
Mean daily daylight hours7h 53m9h 42m11h 54m14h 8m16h 8m17h 12m16h 37m14h 49m12h 38m10h 25m8h 24m7h 18m

Solar UV radiation in Ardara, Ireland

Ardara 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 Ardara UV Index data.

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