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Monthly climate in Crumlin, Northern Ireland, United Kingdom

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Crumlin 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 (24 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 909 mm (35.8 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually. Crumlin enjoys an average of 2841 hours of sunshine throughout the year, and daylight varies from 7 hours 22 minutes to 17 hours 7 minutes per day.

Monthly average temperatures in Crumlin, Northern Ireland, United Kingdom §

The warmest months in Crumlin 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, Crumlin experiences 2 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Crumlin, Northern Ireland, United Kingdom. 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)		 14°C
(58°F)		 17°C
(63°F)		 20°C
(68°F)		 23°C
(74°F)		 29°C
(84°F)		 28°C
(83°F)		 23°C
(74°F)		 23°C
(73°F)		 19°C
(66°F)		 15°C
(59°F)		 13°C
(56°F)
Mean maximum 12°C
(54°F)		 13°C
(55°F)		 14°C
(58°F)		 17°C
(63°F)		 21°C
(70°F)		 22°C
(72°F)		 25°C
(77°F)		 22°C
(72°F)		 21°C
(70°F)		 17°C
(63°F)		 14°C
(58°F)		 13°C
(55°F)
Average high 7°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
(67°F)		 18°C
(65°F)		 16°C
(62°F)		 13°C
(56°F)		 10°C
(50°F)		 8°C
(47°F)
Daily mean 5°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
(61°F)		 15°C
(60°F)		 13°C
(56°F)		 10°C
(51°F)		 8°C
(46°F)		 6°C
(43°F)
Average low 3°C
(38°F)		 3°C
(38°F)		 4°C
(39°F)		 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(51°F)		 8°C
(47°F)		 5°C
(42°F)		 4°C
(40°F)
Mean minimum -3°C
(27°F)		 -1°C
(30°F)		 -1°C
(31°F)		 -0°C
(32°F)		 2°C
(36°F)		 6°C
(43°F)		 8°C
(48°F)		 7°C
(46°F)		 5°C
(42°F)		 2°C
(36°F)		 -0°C
(32°F)		 -1°C
(31°F)
Minimum -5°C
(24°F)		 -4°C
(26°F)		 -3°C
(26°F)		 -2°C
(29°F)		 -1°C
(31°F)		 5°C
(42°F)		 7°C
(45°F)		 6°C
(43°F)		 2°C
(36°F)		 -0°C
(32°F)		 -3°C
(27°F)		 -4°C
(25°F)

Compare climate in Crumlin with other places

Compare temperature, precipitation, sunshine, UV index in Crumlin, Northern Ireland, United Kingdom with other places around the world.

Monthly average precipitation in Crumlin, Northern Ireland, United Kingdom §

Crumlin usually has the most precipitation in February, August and December, with an average of 15 rainy days and 94 mm (3.7 inches) of precipitation per month. The driest months in Crumlin 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 Crumlin, Northern Ireland, United Kingdom. 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) 55 (2.1) 85 (3.3) 77 (3.0) 45 (1.8) 67 (2.6) 76 (3.0) 77 (3.0) 114 (4.5) 68 (2.7) 82 (3.2) 81 (3.2) 82 (3.2)
Average precipitation days (≥ 1 mm) 10 14 15 11 13 14 13 18 14 14 13 13

Monthly sunshine hours in Crumlin, Northern Ireland, United Kingdom §

The sunniest months in Crumlin are May, June and July, when the sun shines an average of 12 hours 15 minutes a day. Least sunny months in Crumlin: January, November and December receive an average of 2 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Crumlin, Northern Ireland, United Kingdom. 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 75 141 189 299 382 371 373 323 277 218 106 80
Mean daily daylight hours 7h 57m 9h 44m 11h 54m 14h 7m 16h 4m 17h 7m 16h 33m 14h 47m 12h 38m 10h 26m 8h 27m 7h 22m

Solar UV radiation in Crumlin, Northern Ireland, United Kingdom §

Crumlin 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 Crumlin UV Index data.

Average daily maximum UV levels by month for Crumlin, Northern Ireland, United Kingdom. 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

Detailed Monthly Weather Insights for Crumlin, Northern Ireland, United Kingdom

Discover in-depth weather details for every month in Crumlin. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Crumlin's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.