nomadseason

Monthly climate in Merstham, England, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Merstham features a oceanic climate (Cfb).Temperatures typically range between 5 °C (41 °F) and 18 °C (65 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 762 mm (30.0 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually.Merstham enjoys an average of 3178 hours of sunshine throughout the year, and daylight varies from 7 hours 56 minutes to 16 hours 29 minutes per day.

Monthly average temperatures in Merstham, England, United Kingdom §

The warmest months in Merstham are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (62 - 65 °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 - 44 °F) throughout the day. On average each year, Merstham experiences 13 days above 25 °C (77.0 °F) and 24 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Merstham, 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
(58°F)		 18°C
(64°F)		 21°C
(71°F)		 25°C
(78°F)		 26°C
(78°F)		 31°C
(88°F)		 35°C
(96°F)		 33°C
(91°F)		 28°C
(83°F)		 22°C
(72°F)		 16°C
(62°F)		 15°C
(58°F)
Mean maximum 12°C
(54°F)		 14°C
(58°F)		 17°C
(63°F)		 22°C
(71°F)		 24°C
(75°F)		 27°C
(81°F)		 30°C
(87°F)		 28°C
(83°F)		 25°C
(77°F)		 19°C
(67°F)		 15°C
(60°F)		 13°C
(56°F)
Average high 7°C
(46°F)		 9°C
(48°F)		 11°C
(52°F)		 14°C
(57°F)		 17°C
(63°F)		 20°C
(69°F)		 22°C
(72°F)		 21°C
(71°F)		 19°C
(67°F)		 15°C
(59°F)		 11°C
(51°F)		 9°C
(48°F)
Daily mean 5°C
(41°F)		 6°C
(43°F)		 7°C
(46°F)		 9°C
(49°F)		 13°C
(55°F)		 16°C
(62°F)		 18°C
(65°F)		 17°C
(64°F)		 15°C
(59°F)		 12°C
(54°F)		 8°C
(47°F)		 6°C
(44°F)
Average low 2°C
(36°F)		 3°C
(38°F)		 4°C
(40°F)		 5°C
(42°F)		 8°C
(47°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(57°F)		 11°C
(52°F)		 9°C
(48°F)		 5°C
(41°F)		 4°C
(39°F)
Mean minimum -3°C
(26°F)		 -3°C
(26°F)		 -1°C
(30°F)		 -1°C
(31°F)		 2°C
(36°F)		 8°C
(46°F)		 10°C
(51°F)		 9°C
(49°F)		 6°C
(42°F)		 3°C
(37°F)		 -2°C
(29°F)		 -2°C
(29°F)
Minimum -5°C
(23°F)		 -7°C
(19°F)		 -6°C
(22°F)		 -3°C
(28°F)		 1°C
(33°F)		 7°C
(45°F)		 8°C
(48°F)		 8°C
(46°F)		 3°C
(38°F)		 0°C
(33°F)		 -2°C
(28°F)		 -4°C
(26°F)

Compare climate in Merstham with other places

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

Monthly average precipitation in Merstham, England, United Kingdom §

Merstham usually has the most precipitation in June, October and December, with an average of 12 rainy days and 85 mm (3.4 inches) of precipitation per month.The driest months in Merstham are January, April and September. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Merstham, 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) 53 (2.1) 56 (2.2) 56 (2.2) 35 (1.4) 64 (2.5) 82 (3.2) 66 (2.6) 74 (2.9) 45 (1.8) 86 (3.4) 56 (2.2) 88 (3.5)
Average precipitation days (≥ 1 mm) 10 11 13 8 10 9 11 12 9 13 11 14

Monthly sunshine hours in Merstham, England, United Kingdom §

The sunniest months in Merstham are May, June and July, when the sun shines an average of 13 hours 8 minutes a day.Least sunny months in Merstham: January, February and December receive an average of 3 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Merstham, 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 98 147 208 325 404 395 408 375 309 243 149 111
Mean daily daylight hours 8h 26m 9h 59m 11h 55m 13h 53m 15h 36m 16h 29m 16h 1m 14h 28m 12h 34m 10h 37m 8h 52m 7h 56m

Solar UV radiation in Merstham, England, United Kingdom §

Merstham 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 Merstham UV Index data.

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