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Monthly climate in Plymouth, England, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Plymouth features a oceanic climate (Cfb).Temperatures typically range between 8 °C (47 °F) and 17 °C (63 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 24 °C (75 °F).The average annual precipitation amounts to about 1090 mm (42.9 inches) and receives 160 rainy days on the 1 mm (0.04 inches) threshold annually.Plymouth enjoys an average of 3357 hours of sunshine throughout the year, and daylight varies from 8 hours 4 minutes to 16 hours 20 minutes per day.

Monthly average temperatures in Plymouth, England, United Kingdom §

The warmest months in Plymouth are July, August and September, with daily mean temperatures ranging from 15 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 8 to 9 °C (47 - 48 °F) throughout the day. On average each year, Plymouth experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Plymouth, England, 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
(55°F)		 14°C
(57°F)		 17°C
(62°F)		 19°C
(67°F)		 22°C
(72°F)		 24°C
(75°F)		 23°C
(73°F)		 21°C
(70°F)		 19°C
(66°F)		 16°C
(60°F)		 14°C
(57°F)
Mean maximum 12°C
(54°F)		 12°C
(54°F)		 12°C
(55°F)		 15°C
(59°F)		 17°C
(63°F)		 20°C
(67°F)		 21°C
(70°F)		 20°C
(69°F)		 19°C
(67°F)		 17°C
(63°F)		 15°C
(59°F)		 13°C
(56°F)
Average high 9°C
(49°F)		 9°C
(49°F)		 10°C
(50°F)		 11°C
(52°F)		 13°C
(56°F)		 16°C
(61°F)		 18°C
(65°F)		 18°C
(64°F)		 17°C
(63°F)		 14°C
(58°F)		 12°C
(54°F)		 11°C
(51°F)
Daily mean 8°C
(47°F)		 8°C
(47°F)		 9°C
(48°F)		 10°C
(50°F)		 12°C
(54°F)		 15°C
(59°F)		 17°C
(63°F)		 17°C
(62°F)		 15°C
(60°F)		 13°C
(56°F)		 11°C
(52°F)		 10°C
(49°F)
Average low 7°C
(44°F)		 7°C
(45°F)		 7°C
(45°F)		 8°C
(47°F)		 10°C
(51°F)		 13°C
(56°F)		 15°C
(60°F)		 15°C
(60°F)		 14°C
(58°F)		 12°C
(54°F)		 9°C
(49°F)		 8°C
(47°F)
Mean minimum 3°C
(38°F)		 3°C
(37°F)		 3°C
(38°F)		 4°C
(40°F)		 7°C
(45°F)		 11°C
(51°F)		 13°C
(56°F)		 13°C
(56°F)		 11°C
(52°F)		 8°C
(47°F)		 5°C
(41°F)		 5°C
(41°F)
Minimum 2°C
(36°F)		 -1°C
(31°F)		 -2°C
(29°F)		 3°C
(38°F)		 6°C
(43°F)		 10°C
(50°F)		 12°C
(53°F)		 13°C
(55°F)		 10°C
(50°F)		 5°C
(41°F)		 4°C
(40°F)		 4°C
(39°F)

Compare climate in Plymouth with other places

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

Monthly average precipitation in Plymouth, England, United Kingdom §

Plymouth usually has the most precipitation in October, November and December, with an average of 17 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Plymouth are April, July and September. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Plymouth, England, 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) 78 (3.1) 102 (4.0) 93 (3.7) 48 (1.9) 75 (2.9) 77 (3.0) 72 (2.8) 78 (3.1) 73 (2.9) 138 (5.4) 115 (4.5) 141 (5.6)
Average precipitation days (≥ 1 mm) 12 15 15 8 11 12 10 12 12 16 17 20

Monthly sunshine hours in Plymouth, England, United Kingdom §

The sunniest months in Plymouth are May, June and July, when the sun shines an average of 13 hours 32 minutes a day.Least sunny months in Plymouth: January, November and December receive an average of 4 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Plymouth, England, 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 98 160 233 358 410 407 428 391 330 261 155 120
Mean daily daylight hours 8h 33m 10h 3m 11h 55m 13h 49m 15h 28m 16h 20m 15h 52m 14h 23m 12h 33m 10h 40m 8h 58m 8h 4m

Solar UV radiation in Plymouth, England, United Kingdom §

Plymouth experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 9, 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 Plymouth UV Index data.

Average daily maximum UV levels by month for Plymouth, England, 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) 2 2 4 6 7 9 8 7 6 4 2 1