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Monthly climate in Mountmellick, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mountmellick features a oceanic climate (Cfb). Temperatures typically range between 6 °C (42 °F) and 16 °C (61 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 905 mm (35.6 inches) and receives 161 rainy days on the 1 mm (0.04 inches) threshold annually. Mountmellick enjoys an average of 2773 hours of sunshine throughout the year, and daylight varies from 7 hours 38 minutes to 16 hours 48 minutes per day.

Monthly average temperatures in Mountmellick, Ireland

The warmest months in Mountmellick are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 6 °C (42 - 44 °F) throughout the day. On average each year, Mountmellick experiences 2 days above 25 °C (77.0 °F) and 22 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mountmellick. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		15°C
(60°F)		17°C
(63°F)		21°C
(69°F)		23°C
(74°F)		28°C
(83°F)		29°C
(84°F)		24°C
(75°F)		26°C
(79°F)		19°C
(67°F)		15°C
(60°F)		14°C
(57°F)
Mean maximum12°C
(54°F)		13°C
(55°F)		15°C
(60°F)		18°C
(64°F)		21°C
(70°F)		22°C
(73°F)		24°C
(76°F)		23°C
(73°F)		22°C
(71°F)		17°C
(63°F)		14°C
(58°F)		13°C
(55°F)
Average high8°C
(46°F)		9°C
(48°F)		10°C
(50°F)		12°C
(54°F)		15°C
(60°F)		18°C
(64°F)		20°C
(67°F)		18°C
(65°F)		17°C
(62°F)		13°C
(56°F)		10°C
(50°F)		8°C
(47°F)
Daily mean6°C
(42°F)		6°C
(43°F)		7°C
(44°F)		9°C
(48°F)		11°C
(53°F)		14°C
(58°F)		16°C
(61°F)		15°C
(60°F)		13°C
(56°F)		10°C
(51°F)		8°C
(46°F)		6°C
(44°F)
Average low3°C
(38°F)		3°C
(38°F)		3°C
(38°F)		5°C
(41°F)		7°C
(46°F)		10°C
(51°F)		12°C
(55°F)		12°C
(54°F)		10°C
(50°F)		8°C
(46°F)		5°C
(41°F)		4°C
(40°F)
Mean minimum-3°C
(26°F)		-2°C
(29°F)		-2°C
(28°F)		-2°C
(29°F)		1°C
(34°F)		6°C
(42°F)		8°C
(46°F)		7°C
(46°F)		4°C
(39°F)		1°C
(34°F)		-1°C
(30°F)		-2°C
(28°F)
Minimum-5°C
(23°F)		-4°C
(25°F)		-8°C
(18°F)		-3°C
(27°F)		-1°C
(30°F)		4°C
(40°F)		5°C
(42°F)		6°C
(43°F)		-0°C
(32°F)		-2°C
(28°F)		-2°C
(28°F)		-7°C
(20°F)

Compare climate in Mountmellick with other places

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

Monthly average precipitation in Mountmellick, Ireland

Mountmellick usually has the most precipitation in February, August and December, with an average of 15 rainy days and 93 mm (3.7 inches) of precipitation per month. The driest months in Mountmellick are January, April and May. On average, 57 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mountmellick. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)56 (2.2)88 (3.4)81 (3.2)50 (2.0)66 (2.6)68 (2.7)69 (2.7)94 (3.7)66 (2.6)87 (3.4)84 (3.3)98 (3.8)
Average precipitation days (≥ 1 mm)111516101213121612151316

Monthly sunshine hours in Mountmellick, Ireland

The sunniest months in Mountmellick are May, June and July, when the sun shines an average of 11 hours 55 minutes a day. Least sunny months in Mountmellick: January, November and December receive an average of 3 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mountmellick. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7913417327936936336530827422311389
Mean daily daylight hours8h 11m9h 51m11h 54m14h 0m15h 50m16h 48m16h 17m14h 38m12h 36m10h 32m8h 39m7h 38m

Solar UV radiation in Mountmellick, Ireland

Mountmellick 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 Mountmellick UV Index data.

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