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Monthly climate in Bailieborough, Ireland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bailieborough features a oceanic climate (Cfb). Temperatures typically range between 5 °C (42 °F) and 16 °C (60 °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 958 mm (37.7 inches) and receives 168 rainy days on the 1 mm (0.04 inches) threshold annually. Bailieborough enjoys an average of 2653 hours of sunshine throughout the year, and daylight varies from 7 hours 26 minutes to 17 hours 2 minutes per day.

Monthly average temperatures in Bailieborough, Ireland

The warmest months in Bailieborough are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (58 - 60 °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, Bailieborough experiences 2 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bailieborough. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		15°C
(60°F)		17°C
(62°F)		21°C
(69°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
(55°F)		14°C
(58°F)		17°C
(64°F)		21°C
(71°F)		22°C
(72°F)		25°C
(77°F)		22°C
(72°F)		21°C
(69°F)		17°C
(63°F)		14°C
(57°F)		12°C
(55°F)
Average high7°C
(46°F)		8°C
(47°F)		10°C
(50°F)		12°C
(53°F)		15°C
(59°F)		18°C
(64°F)		19°C
(66°F)		18°C
(65°F)		16°C
(61°F)		13°C
(55°F)		10°C
(50°F)		8°C
(47°F)
Daily mean5°C
(42°F)		6°C
(43°F)		7°C
(44°F)		8°C
(47°F)		11°C
(53°F)		14°C
(58°F)		16°C
(60°F)		15°C
(59°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)		10°C
(51°F)		12°C
(55°F)		12°C
(54°F)		10°C
(51°F)		8°C
(46°F)		5°C
(42°F)		4°C
(40°F)
Mean minimum-2°C
(28°F)		-2°C
(29°F)		-1°C
(31°F)		-0°C
(32°F)		1°C
(35°F)		5°C
(42°F)		8°C
(47°F)		7°C
(46°F)		5°C
(41°F)		2°C
(37°F)		-0°C
(32°F)		-0°C
(32°F)
Minimum-4°C
(25°F)		-5°C
(23°F)		-4°C
(25°F)		-2°C
(29°F)		-1°C
(30°F)		5°C
(41°F)		7°C
(44°F)		6°C
(42°F)		2°C
(35°F)		-0°C
(32°F)		-3°C
(27°F)		-3°C
(28°F)

Compare climate in Bailieborough with other places

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

Monthly average precipitation in Bailieborough, Ireland

Bailieborough usually has the most precipitation in February, August and December, with an average of 15 rainy days and 100 mm (3.9 inches) of precipitation per month. The driest months in Bailieborough are January, April and May. On average, 59 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bailieborough. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)58 (2.3)92 (3.6)82 (3.2)50 (2.0)69 (2.7)84 (3.3)78 (3.1)117 (4.6)73 (2.9)82 (3.2)84 (3.3)91 (3.6)
Average precipitation days (≥ 1 mm)101517111215131813151613

Monthly sunshine hours in Bailieborough, Ireland

The sunniest months in Bailieborough are May, June and July, when the sun shines an average of 11 hours 31 minutes a day. Least sunny months in Bailieborough: January, November and December receive an average of 2 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bailieborough. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7313316827236035134828926120910479
Mean daily daylight hours8h 0m9h 46m11h 54m14h 5m16h 1m17h 2m16h 29m14h 45m12h 38m10h 28m8h 30m7h 26m

Solar UV radiation in Bailieborough, Ireland

Bailieborough 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 Bailieborough UV Index data.

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