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Monthly climate in Lerwick, Scotland, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Lerwick features a oceanic climate (Cfb).Temperatures typically range between 6 °C (43 °F) and 13 °C (55 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 17 °C (63 °F).The average annual precipitation amounts to about 1122 mm (44.2 inches) and receives 211 rainy days on the 1 mm (0.04 inches) threshold annually.Lerwick enjoys an average of 2978 hours of sunshine throughout the year, and daylight varies from 5 hours 57 minutes to 18 hours 44 minutes per day.

Monthly average temperatures in Lerwick, Scotland, United Kingdom §

The warmest months in Lerwick are July, August and September, with daily mean temperatures ranging from 12 to 13 °C (54 - 55 °F) throughout the day. The coldest temperatures usually occur in February, March and April, when daily mean temperatures range from 6 to 6 °C (43 - 44 °F) throughout the day. On average each year, Lerwick 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 Lerwick, Scotland, 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 11°C
(52°F)		 10°C
(51°F)		 9°C
(49°F)		 10°C
(51°F)		 12°C
(54°F)		 14°C
(58°F)		 17°C
(63°F)		 15°C
(60°F)		 15°C
(59°F)		 14°C
(57°F)		 12°C
(54°F)		 11°C
(52°F)
Mean maximum 10°C
(50°F)		 9°C
(48°F)		 9°C
(48°F)		 9°C
(49°F)		 11°C
(51°F)		 12°C
(54°F)		 15°C
(60°F)		 15°C
(59°F)		 14°C
(57°F)		 13°C
(56°F)		 12°C
(53°F)		 11°C
(51°F)
Average high 7°C
(46°F)		 7°C
(44°F)		 7°C
(45°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(52°F)		 13°C
(55°F)		 13°C
(56°F)		 12°C
(55°F)		 11°C
(52°F)		 9°C
(49°F)		 8°C
(47°F)
Daily mean 6°C
(44°F)		 6°C
(43°F)		 6°C
(43°F)		 6°C
(44°F)		 8°C
(47°F)		 10°C
(51°F)		 12°C
(54°F)		 13°C
(55°F)		 12°C
(54°F)		 10°C
(51°F)		 8°C
(47°F)		 7°C
(45°F)
Average low 5°C
(42°F)		 5°C
(41°F)		 5°C
(42°F)		 6°C
(43°F)		 7°C
(46°F)		 10°C
(50°F)		 11°C
(53°F)		 12°C
(54°F)		 11°C
(52°F)		 9°C
(49°F)		 7°C
(46°F)		 6°C
(44°F)
Mean minimum 2°C
(36°F)		 2°C
(35°F)		 2°C
(35°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 9°C
(49°F)		 10°C
(51°F)		 9°C
(48°F)		 6°C
(43°F)		 4°C
(39°F)		 4°C
(39°F)
Minimum 2°C
(35°F)		 0°C
(33°F)		 -2°C
(29°F)		 -0°C
(31°F)		 2°C
(36°F)		 6°C
(44°F)		 8°C
(48°F)		 10°C
(50°F)		 8°C
(46°F)		 5°C
(42°F)		 3°C
(38°F)		 3°C
(37°F)

Compare climate in Lerwick with other places

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

Monthly average precipitation in Lerwick, Scotland, United Kingdom §

Lerwick usually has the most precipitation in October, November and December, with an average of 23 rainy days and 139 mm (5.5 inches) of precipitation per month.The driest months in Lerwick are April, May and June. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lerwick, Scotland, 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) 96 (3.8) 97 (3.8) 103 (4.1) 51 (2.0) 47 (1.8) 53 (2.1) 69 (2.7) 74 (2.9) 115 (4.5) 146 (5.8) 133 (5.2) 137 (5.4)
Average precipitation days (≥ 1 mm) 18 19 20 13 13 12 12 15 18 23 23 25

Monthly sunshine hours in Lerwick, Scotland, United Kingdom §

The sunniest months in Lerwick are May, June and July, when the sun shines an average of 13 hours 44 minutes a day.Least sunny months in Lerwick: January, November and December receive an average of 2 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lerwick, Scotland, 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 49 126 192 335 415 419 429 376 285 201 89 57
Mean daily daylight hours 6h 46m 9h 8m 11h 51m 14h 38m 17h 14m 18h 44m 17h 55m 15h 30m 12h 47m 10h 2m 7h 27m 5h 57m

Solar UV radiation in Lerwick, Scotland, United Kingdom §

Lerwick experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 7, which corresponds to the Moderate / High category of sun exposure.January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Lerwick UV Index data.

Average daily maximum UV levels by month for Lerwick, Scotland, 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 1 2 4 5 7 6 5 4 2 1 1