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Monthly climate in Roscrea, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Roscrea features a oceanic climate (Cfb). Temperatures typically range between 5 °C (42 °F) and 16 °C (61 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 996 mm (39.2 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually. Roscrea enjoys an average of 2736 hours of sunshine throughout the year, and daylight varies from 7 hours 39 minutes to 16 hours 48 minutes per day.

Monthly average temperatures in Roscrea, Ireland

The warmest months in Roscrea 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 5 to 6 °C (42 - 44 °F) throughout the day. On average each year, Roscrea experiences 2 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Roscrea. 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
(70°F)		24°C
(75°F)		29°C
(84°F)		28°C
(83°F)		24°C
(76°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
(65°F)		21°C
(71°F)		23°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)		8°C
(47°F)		10°C
(50°F)		12°C
(54°F)		15°C
(60°F)		18°C
(64°F)		19°C
(67°F)		18°C
(65°F)		16°C
(62°F)		13°C
(55°F)		10°C
(50°F)		8°C
(47°F)
Daily mean5°C
(42°F)		6°C
(43°F)		6°C
(44°F)		9°C
(48°F)		11°C
(53°F)		14°C
(58°F)		16°C
(61°F)		15°C
(59°F)		13°C
(56°F)		10°C
(51°F)		7°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
(45°F)		10°C
(51°F)		12°C
(54°F)		12°C
(54°F)		10°C
(50°F)		7°C
(46°F)		5°C
(41°F)		4°C
(40°F)
Mean minimum-3°C
(28°F)		-2°C
(29°F)		-2°C
(29°F)		-1°C
(30°F)		1°C
(34°F)		5°C
(42°F)		8°C
(47°F)		7°C
(45°F)		4°C
(39°F)		2°C
(35°F)		-1°C
(31°F)		-2°C
(29°F)
Minimum-5°C
(23°F)		-3°C
(26°F)		-7°C
(19°F)		-2°C
(28°F)		-1°C
(30°F)		5°C
(41°F)		6°C
(44°F)		5°C
(42°F)		1°C
(34°F)		-2°C
(29°F)		-2°C
(28°F)		-9°C
(16°F)

Compare climate in Roscrea with other places

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

Monthly average precipitation in Roscrea, Ireland

Roscrea usually has the most precipitation in February, August and December, with an average of 16 rainy days and 102 mm (4.0 inches) of precipitation per month. The driest months in Roscrea are January, April and May. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Roscrea. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)61 (2.4)99 (3.9)92 (3.6)57 (2.2)72 (2.8)75 (2.9)80 (3.1)103 (4.1)75 (3.0)90 (3.5)89 (3.5)104 (4.1)
Average precipitation days (≥ 1 mm)111616111314121714161516

Monthly sunshine hours in Roscrea, Ireland

The sunniest months in Roscrea are May, June and July, when the sun shines an average of 11 hours 51 minutes a day. Least sunny months in Roscrea: January, November and December receive an average of 3 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Roscrea. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7713217127236635936430226821911287
Mean daily daylight hours8h 11m9h 51m11h 54m14h 0m15h 50m16h 48m16h 17m14h 38m12h 36m10h 32m8h 39m7h 39m

Solar UV radiation in Roscrea, Ireland

Roscrea 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 Roscrea UV Index data.

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