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Monthly climate in Rostrevor, Northern Ireland, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rostrevor features a oceanic climate (Cfb).Temperatures typically range between 6 °C (43 °F) and 16 °C (61 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 27 °C (80 °F).The average annual precipitation amounts to about 918 mm (36.2 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually.Rostrevor enjoys an average of 2873 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 Rostrevor, Northern Ireland, United Kingdom §

The warmest months in Rostrevor 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 6 to 6 °C (43 - 44 °F) throughout the day. On average each year, Rostrevor experiences 0 days above 25 °C (77.0 °F) and 7 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rostrevor, 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)		 13°C
(56°F)		 15°C
(60°F)		 19°C
(66°F)		 21°C
(71°F)		 26°C
(79°F)		 27°C
(80°F)		 22°C
(71°F)		 21°C
(71°F)		 19°C
(66°F)		 15°C
(59°F)		 13°C
(56°F)
Mean maximum 12°C
(54°F)		 12°C
(55°F)		 14°C
(58°F)		 16°C
(61°F)		 19°C
(67°F)		 21°C
(70°F)		 23°C
(74°F)		 21°C
(70°F)		 20°C
(68°F)		 17°C
(63°F)		 14°C
(57°F)		 13°C
(55°F)
Average high 8°C
(46°F)		 8°C
(47°F)		 10°C
(49°F)		 11°C
(52°F)		 14°C
(58°F)		 17°C
(63°F)		 19°C
(66°F)		 18°C
(65°F)		 16°C
(62°F)		 13°C
(56°F)		 10°C
(50°F)		 8°C
(47°F)
Daily mean 6°C
(43°F)		 6°C
(43°F)		 7°C
(45°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)		 11°C
(52°F)		 8°C
(47°F)		 6°C
(44°F)
Average low 4°C
(39°F)		 4°C
(39°F)		 4°C
(40°F)		 5°C
(42°F)		 8°C
(47°F)		 11°C
(52°F)		 13°C
(55°F)		 13°C
(55°F)		 11°C
(52°F)		 8°C
(47°F)		 6°C
(43°F)		 5°C
(41°F)
Mean minimum -2°C
(29°F)		 -1°C
(31°F)		 -0°C
(32°F)		 1°C
(33°F)		 3°C
(37°F)		 7°C
(44°F)		 9°C
(48°F)		 9°C
(48°F)		 6°C
(43°F)		 3°C
(38°F)		 1°C
(34°F)		 0°C
(33°F)
Minimum -4°C
(25°F)		 -3°C
(26°F)		 -3°C
(27°F)		 -1°C
(30°F)		 0°C
(33°F)		 6°C
(43°F)		 8°C
(46°F)		 7°C
(46°F)		 4°C
(39°F)		 1°C
(35°F)		 -1°C
(30°F)		 -2°C
(29°F)

Compare climate in Rostrevor with other places

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

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

Rostrevor usually has the most precipitation in August, November and December, with an average of 15 rainy days and 98 mm (3.9 inches) of precipitation per month.The driest months in Rostrevor are January, April and May. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rostrevor, 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 (2.2) 83 (3.3) 80 (3.1) 43 (1.7) 61 (2.4) 72 (2.8) 74 (2.9) 111 (4.4) 75 (2.9) 84 (3.3) 91 (3.6) 92 (3.6)
Average precipitation days (≥ 1 mm) 10 15 16 10 12 13 14 18 14 14 15 13

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

The sunniest months in Rostrevor are May, June and July, when the sun shines an average of 12 hours 18 minutes a day.Least sunny months in Rostrevor: January, November and December receive an average of 2 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rostrevor, 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 79 144 190 302 382 374 374 325 282 222 109 85
Mean daily daylight hours 8h 1m 9h 46m 11h 54m 14h 5m 16h 0m 17h 2m 16h 29m 14h 44m 12h 38m 10h 28m 8h 30m 7h 26m

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

Rostrevor 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 Rostrevor UV Index data.

Average daily maximum UV levels by month for Rostrevor, 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