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Monthly climate in Castlerea, Connaught, Ireland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Castlerea features a oceanic climate (Cfb).Temperatures typically range between 6 °C (42 °F) and 15 °C (60 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1157 mm (45.5 inches) and receives 184 rainy days on the 1 mm (0.04 inches) threshold annually.Castlerea enjoys an average of 2664 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 Castlerea, Connaught, Ireland §

The warmest months in Castlerea are June, July and August, with daily mean temperatures ranging from 14 to 15 °C (57 - 60 °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, Castlerea experiences 2 days above 25 °C (77.0 °F) and 17 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Castlerea, Connaught, Ireland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(57°F)		 15°C
(60°F)		 17°C
(63°F)		 21°C
(71°F)		 25°C
(78°F)		 29°C
(85°F)		 29°C
(84°F)		 24°C
(75°F)		 25°C
(77°F)		 20°C
(68°F)		 15°C
(59°F)		 13°C
(56°F)
Mean maximum 12°C
(54°F)		 13°C
(55°F)		 14°C
(58°F)		 18°C
(65°F)		 22°C
(72°F)		 22°C
(72°F)		 25°C
(77°F)		 22°C
(72°F)		 21°C
(71°F)		 17°C
(62°F)		 14°C
(57°F)		 13°C
(55°F)
Average high 8°C
(46°F)		 8°C
(47°F)		 10°C
(50°F)		 12°C
(54°F)		 15°C
(60°F)		 17°C
(63°F)		 19°C
(66°F)		 18°C
(64°F)		 16°C
(61°F)		 13°C
(55°F)		 10°C
(50°F)		 8°C
(47°F)
Daily mean 6°C
(42°F)		 6°C
(43°F)		 7°C
(44°F)		 9°C
(48°F)		 11°C
(53°F)		 14°C
(57°F)		 15°C
(60°F)		 15°C
(59°F)		 13°C
(56°F)		 10°C
(51°F)		 7°C
(46°F)		 6°C
(44°F)
Average low 3°C
(38°F)		 3°C
(38°F)		 3°C
(38°F)		 5°C
(41°F)		 8°C
(46°F)		 10°C
(51°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 7°C
(46°F)		 5°C
(42°F)		 4°C
(40°F)
Mean minimum -2°C
(28°F)		 -2°C
(29°F)		 -1°C
(30°F)		 -1°C
(31°F)		 2°C
(36°F)		 5°C
(42°F)		 8°C
(46°F)		 7°C
(46°F)		 4°C
(40°F)		 2°C
(36°F)		 -0°C
(32°F)		 -1°C
(30°F)
Minimum -4°C
(25°F)		 -4°C
(25°F)		 -5°C
(24°F)		 -2°C
(29°F)		 -2°C
(29°F)		 4°C
(40°F)		 7°C
(44°F)		 7°C
(45°F)		 1°C
(34°F)		 -2°C
(30°F)		 -2°C
(28°F)		 -5°C
(23°F)

Compare climate in Castlerea with other places

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

Monthly average precipitation in Castlerea, Connaught, Ireland §

Castlerea usually has the most precipitation in February, August and October, with an average of 17 rainy days and 124 mm (4.9 inches) of precipitation per month.The driest months in Castlerea are January, April and May. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Castlerea, Connaught, Ireland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 74 (2.9) 122 (4.8) 101 (4.0) 62 (2.4) 82 (3.2) 92 (3.6) 84 (3.3) 135 (5.3) 83 (3.3) 116 (4.6) 99 (3.9) 106 (4.2)
Average precipitation days (≥ 1 mm) 12 16 16 11 13 16 13 19 17 17 17 17

Monthly sunshine hours in Castlerea, Connaught, Ireland §

The sunniest months in Castlerea are May, June and July, when the sun shines an average of 11 hours 36 minutes a day.Least sunny months in Castlerea: January, November and December receive an average of 2 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Castlerea, Connaught, Ireland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 68 129 164 279 366 349 352 290 263 209 108 81
Mean daily daylight hours 8h 3m 9h 47m 11h 54m 14h 3m 15h 58m 16h 58m 16h 26m 14h 43m 12h 37m 10h 29m 8h 32m 7h 30m

Solar UV radiation in Castlerea, Connaught, Ireland §

Castlerea 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 Castlerea UV Index data.

Average daily maximum UV levels by month for Castlerea, Connaught, Ireland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 2 4 5 7 8 8 7 5 3 2 1