nomadseason

Monthly climate in Mallow, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mallow features a oceanic climate (Cfb). Temperatures typically range between 6 °C (42 °F) and 16 °C (60 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 28 °C (84 °F). The average annual precipitation amounts to about 999 mm (39.3 inches) and receives 172 rainy days on the 1 mm (0.04 inches) threshold annually. Mallow enjoys an average of 2783 hours of sunshine throughout the year, and daylight varies from 7 hours 46 minutes to 16 hours 40 minutes per day.

Monthly average temperatures in Mallow, Ireland

The warmest months in Mallow are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 6 to 6 °C (42 - 44 °F) throughout the day. On average each year, Mallow experiences 2 days above 25 °C (77.0 °F) and 25 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mallow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(57°F)		14°C
(57°F)		17°C
(62°F)		20°C
(68°F)		24°C
(76°F)		28°C
(84°F)		27°C
(81°F)		23°C
(74°F)		25°C
(78°F)		18°C
(65°F)		15°C
(60°F)		14°C
(57°F)
Mean maximum12°C
(54°F)		13°C
(55°F)		15°C
(59°F)		17°C
(63°F)		21°C
(70°F)		23°C
(73°F)		24°C
(75°F)		22°C
(72°F)		21°C
(71°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)		16°C
(62°F)		13°C
(56°F)		10°C
(50°F)		9°C
(48°F)
Daily mean6°C
(42°F)		6°C
(43°F)		6°C
(44°F)		8°C
(47°F)		11°C
(52°F)		14°C
(57°F)		16°C
(60°F)		15°C
(59°F)		13°C
(56°F)		10°C
(51°F)		8°C
(46°F)		7°C
(44°F)
Average low3°C
(38°F)		3°C
(39°F)		3°C
(37°F)		5°C
(41°F)		7°C
(45°F)		10°C
(50°F)		12°C
(53°F)		12°C
(53°F)		10°C
(50°F)		7°C
(45°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
(33°F)		5°C
(41°F)		7°C
(45°F)		6°C
(44°F)		3°C
(37°F)		1°C
(35°F)		-2°C
(29°F)		-1°C
(30°F)
Minimum-6°C
(22°F)		-3°C
(26°F)		-7°C
(19°F)		-3°C
(27°F)		-2°C
(28°F)		4°C
(39°F)		5°C
(41°F)		4°C
(40°F)		-0°C
(32°F)		-1°C
(30°F)		-2°C
(28°F)		-3°C
(27°F)

Compare climate in Mallow with other places

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

Monthly average precipitation in Mallow, Ireland

Mallow usually has the most precipitation in February, August and December, with an average of 17 rainy days and 106 mm (4.2 inches) of precipitation per month. The driest months in Mallow are January, April and June. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mallow. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.4)104 (4.1)92 (3.6)67 (2.6)73 (2.9)64 (2.5)69 (2.7)104 (4.1)76 (3.0)96 (3.8)82 (3.2)109 (4.3)
Average precipitation days (≥ 1 mm)121717111313121714141517

Monthly sunshine hours in Mallow, Ireland

The sunniest months in Mallow are May, June and July, when the sun shines an average of 11 hours 52 minutes a day. Least sunny months in Mallow: January, November and December receive an average of 3 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mallow. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7712917528537835635732326921811893
Mean daily daylight hours8h 17m9h 55m11h 54m13h 57m15h 44m16h 40m16h 10m14h 33m12h 36m10h 34m8h 45m7h 46m

Solar UV radiation in Mallow, Ireland

Mallow 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 Mallow UV Index data.

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