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Monthly climate in Machynlleth, Wales, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Machynlleth features a oceanic climate (Cfb).Temperatures typically range between 4 °C (40 °F) and 16 °C (60 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 1284 mm (50.5 inches) and receives 190 rainy days on the 1 mm (0.04 inches) threshold annually.Machynlleth enjoys an average of 2969 hours of sunshine throughout the year, and daylight varies from 7 hours 42 minutes to 16 hours 44 minutes per day.

Monthly average temperatures in Machynlleth, Wales, United Kingdom §

The warmest months in Machynlleth are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (40 - 42 °F) throughout the day. On average each year, Machynlleth experiences 4 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Machynlleth, 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
(56°F)		 17°C
(63°F)		 19°C
(66°F)		 22°C
(71°F)		 26°C
(78°F)		 28°C
(82°F)		 28°C
(83°F)		 27°C
(81°F)		 27°C
(81°F)		 21°C
(70°F)		 15°C
(59°F)		 12°C
(54°F)
Mean maximum 11°C
(51°F)		 12°C
(54°F)		 15°C
(60°F)		 20°C
(68°F)		 21°C
(70°F)		 24°C
(75°F)		 26°C
(79°F)		 24°C
(75°F)		 22°C
(72°F)		 17°C
(63°F)		 13°C
(56°F)		 12°C
(53°F)
Average high 7°C
(44°F)		 7°C
(46°F)		 9°C
(48°F)		 12°C
(53°F)		 15°C
(58°F)		 17°C
(64°F)		 19°C
(66°F)		 18°C
(64°F)		 16°C
(61°F)		 12°C
(55°F)		 9°C
(49°F)		 7°C
(46°F)
Daily mean 4°C
(40°F)		 5°C
(41°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 14°C
(57°F)		 16°C
(60°F)		 15°C
(59°F)		 13°C
(55°F)		 10°C
(50°F)		 7°C
(45°F)		 6°C
(42°F)
Average low 2°C
(36°F)		 3°C
(37°F)		 3°C
(37°F)		 4°C
(40°F)		 7°C
(44°F)		 10°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 -3°C
(27°F)		 -3°C
(26°F)		 -2°C
(29°F)		 -2°C
(29°F)		 0°C
(33°F)		 6°C
(43°F)		 8°C
(46°F)		 7°C
(44°F)		 4°C
(39°F)		 1°C
(34°F)		 -2°C
(29°F)		 -3°C
(28°F)
Minimum -5°C
(24°F)		 -7°C
(20°F)		 -7°C
(19°F)		 -3°C
(27°F)		 -2°C
(29°F)		 4°C
(40°F)		 5°C
(42°F)		 6°C
(42°F)		 1°C
(34°F)		 -4°C
(25°F)		 -3°C
(27°F)		 -6°C
(22°F)

Compare climate in Machynlleth with other places

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

Monthly average precipitation in Machynlleth, Wales, United Kingdom §

Machynlleth usually has the most precipitation in February, October and December, with an average of 18 rainy days and 136 mm (5.4 inches) of precipitation per month.The driest months in Machynlleth are April, May and July. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Machynlleth, 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) 89 (3.5) 127 (5.0) 124 (4.9) 61 (2.4) 84 (3.3) 95 (3.8) 86 (3.4) 119 (4.7) 100 (3.9) 134 (5.3) 117 (4.6) 147 (5.8)
Average precipitation days (≥ 1 mm) 13 17 18 11 13 15 14 19 15 18 18 19

Monthly sunshine hours in Machynlleth, Wales, United Kingdom §

The sunniest months in Machynlleth are May, June and July, when the sun shines an average of 12 hours 35 minutes a day.Least sunny months in Machynlleth: January, November and December receive an average of 3 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Machynlleth, 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 83 137 200 311 385 369 402 359 291 219 113 93
Mean daily daylight hours 8h 14m 9h 53m 11h 54m 13h 58m 15h 47m 16h 44m 16h 13m 14h 36m 12h 36m 10h 33m 8h 42m 7h 42m

Solar UV radiation in Machynlleth, Wales, United Kingdom §

Machynlleth 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 Machynlleth UV Index data.

Average daily maximum UV levels by month for Machynlleth, 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