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Monthly climate in Carlanstown, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Carlanstown 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 -5 °C (23 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 907 mm (35.7 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually. Carlanstown enjoys an average of 2718 hours of sunshine throughout the year, and daylight varies from 7 hours 30 minutes to 16 hours 58 minutes per day.

Monthly average temperatures in Carlanstown, Ireland

The warmest months in Carlanstown 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 - 43 °F) throughout the day. On average each year, Carlanstown experiences 3 days above 25 °C (77.0 °F) and 15 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Carlanstown. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		16°C
(61°F)		17°C
(63°F)		21°C
(70°F)		24°C
(76°F)		29°C
(84°F)		28°C
(83°F)		24°C
(75°F)		24°C
(75°F)		20°C
(68°F)		15°C
(59°F)		13°C
(56°F)
Mean maximum12°C
(54°F)		13°C
(56°F)		15°C
(60°F)		18°C
(65°F)		22°C
(71°F)		23°C
(73°F)		25°C
(78°F)		23°C
(73°F)		21°C
(70°F)		17°C
(64°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
(65°F)		20°C
(68°F)		18°C
(66°F)		17°C
(62°F)		13°C
(56°F)		10°C
(50°F)		8°C
(47°F)
Daily mean5°C
(42°F)		6°C
(43°F)		7°C
(44°F)		9°C
(48°F)		12°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
(43°F)
Average low3°C
(38°F)		3°C
(38°F)		4°C
(39°F)		5°C
(41°F)		8°C
(46°F)		11°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-3°C
(27°F)		-2°C
(29°F)		-1°C
(30°F)		-1°C
(31°F)		1°C
(34°F)		6°C
(42°F)		8°C
(47°F)		7°C
(46°F)		5°C
(41°F)		2°C
(36°F)		-0°C
(32°F)		-1°C
(31°F)
Minimum-5°C
(23°F)		-5°C
(24°F)		-4°C
(24°F)		-3°C
(27°F)		-1°C
(30°F)		4°C
(39°F)		7°C
(45°F)		6°C
(43°F)		2°C
(36°F)		-1°C
(31°F)		-3°C
(28°F)		-3°C
(27°F)

Compare climate in Carlanstown with other places

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

Monthly average precipitation in Carlanstown, Ireland

Carlanstown 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 Carlanstown are January, April and May. On average, 56 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Carlanstown. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)52 (2.0)85 (3.3)79 (3.1)47 (1.8)68 (2.7)77 (3.0)73 (2.9)107 (4.2)73 (2.9)77 (3.0)82 (3.2)87 (3.4)
Average precipitation days (≥ 1 mm)101516101114131812131413

Monthly sunshine hours in Carlanstown, Ireland

The sunniest months in Carlanstown are May, June and July, when the sun shines an average of 11 hours 37 minutes a day. Least sunny months in Carlanstown: January, November and December receive an average of 2 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Carlanstown. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7513617128636135535330126821710784
Mean daily daylight hours8h 3m9h 47m11h 54m14h 3m15h 58m16h 58m16h 26m14h 43m12h 37m10h 29m8h 32m7h 30m

Solar UV radiation in Carlanstown, Ireland

Carlanstown 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 Carlanstown UV Index data.

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