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Monthly climate in Llangathen, Wales, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Llangathen features a oceanic climate (Cfb).Temperatures typically range between 5 °C (41 °F) and 16 °C (61 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 1425 mm (56.1 inches) and receives 193 rainy days on the 1 mm (0.04 inches) threshold annually.Llangathen enjoys an average of 3099 hours of sunshine throughout the year, and daylight varies from 7 hours 47 minutes to 16 hours 39 minutes per day.

Monthly average temperatures in Llangathen, Wales, United Kingdom §

The warmest months in Llangathen 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 (41 - 43 °F) throughout the day. On average each year, Llangathen experiences 4 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Llangathen, Wales, 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 13°C
(55°F)		 17°C
(62°F)		 19°C
(66°F)		 22°C
(72°F)		 25°C
(78°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(82°F)		 27°C
(81°F)		 21°C
(70°F)		 15°C
(59°F)		 12°C
(55°F)
Mean maximum 11°C
(52°F)		 12°C
(54°F)		 15°C
(59°F)		 20°C
(68°F)		 21°C
(70°F)		 24°C
(75°F)		 26°C
(79°F)		 24°C
(76°F)		 23°C
(73°F)		 18°C
(64°F)		 14°C
(57°F)		 12°C
(54°F)
Average high 7°C
(45°F)		 8°C
(46°F)		 9°C
(49°F)		 12°C
(55°F)		 15°C
(59°F)		 18°C
(64°F)		 19°C
(67°F)		 18°C
(65°F)		 17°C
(62°F)		 13°C
(56°F)		 10°C
(50°F)		 8°C
(47°F)
Daily mean 5°C
(41°F)		 5°C
(42°F)		 6°C
(44°F)		 8°C
(48°F)		 11°C
(52°F)		 14°C
(58°F)		 16°C
(61°F)		 15°C
(60°F)		 13°C
(56°F)		 10°C
(51°F)		 7°C
(46°F)		 6°C
(43°F)
Average low 2°C
(36°F)		 3°C
(37°F)		 3°C
(38°F)		 4°C
(40°F)		 7°C
(45°F)		 11°C
(51°F)		 12°C
(54°F)		 12°C
(54°F)		 10°C
(50°F)		 8°C
(46°F)		 5°C
(41°F)		 4°C
(39°F)
Mean minimum -4°C
(26°F)		 -3°C
(26°F)		 -2°C
(28°F)		 -2°C
(29°F)		 0°C
(33°F)		 5°C
(42°F)		 7°C
(46°F)		 7°C
(44°F)		 4°C
(40°F)		 1°C
(34°F)		 -2°C
(28°F)		 -2°C
(29°F)
Minimum -5°C
(23°F)		 -9°C
(16°F)		 -7°C
(20°F)		 -4°C
(25°F)		 -1°C
(31°F)		 4°C
(39°F)		 5°C
(41°F)		 5°C
(42°F)		 1°C
(33°F)		 -3°C
(27°F)		 -3°C
(26°F)		 -4°C
(26°F)

Compare climate in Llangathen with other places

Compare temperature, precipitation, sunshine, UV index in Llangathen, Wales, United Kingdom with other places around the world.

Monthly average precipitation in Llangathen, Wales, United Kingdom §

Llangathen usually has the most precipitation in February, October and December, with an average of 17 rainy days and 154 mm (6.1 inches) of precipitation per month.The driest months in Llangathen are January, April and May. On average, 87 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Llangathen, Wales, 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) 95 (3.7) 140 (5.5) 125 (4.9) 66 (2.6) 99 (3.9) 103 (4.1) 101 (4.0) 133 (5.2) 110 (4.3) 155 (6.1) 132 (5.2) 166 (6.5)
Average precipitation days (≥ 1 mm) 13 16 18 11 14 17 16 20 14 17 17 20

Monthly sunshine hours in Llangathen, Wales, United Kingdom §

The sunniest months in Llangathen are May, June and July, when the sun shines an average of 13 hours 1 minutes a day.Least sunny months in Llangathen: January, November and December receive an average of 3 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Llangathen, Wales, 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 89 144 212 323 399 385 411 369 304 232 125 100
Mean daily daylight hours 8h 18m 9h 55m 11h 54m 13h 56m 15h 43m 16h 39m 16h 9m 14h 33m 12h 35m 10h 34m 8h 46m 7h 47m

Solar UV radiation in Llangathen, Wales, United Kingdom §

Llangathen 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 Llangathen UV Index data.

Average daily maximum UV levels by month for Llangathen, Wales, 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 6 7 8 8 7 6 4 2 1