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Monthly climate in Knebworth, England, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Knebworth 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 -6 °C (22 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 739 mm (29.1 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually.Knebworth enjoys an average of 3128 hours of sunshine throughout the year, and daylight varies from 7 hours 52 minutes to 16 hours 34 minutes per day.

Monthly average temperatures in Knebworth, England, United Kingdom §

The warmest months in Knebworth 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 - 43 °F) throughout the day. On average each year, Knebworth 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 Knebworth, 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
(65°F)		 22°C
(71°F)		 27°C
(80°F)		 26°C
(79°F)		 31°C
(88°F)		 36°C
(96°F)		 34°C
(93°F)		 28°C
(83°F)		 23°C
(73°F)		 16°C
(62°F)		 14°C
(58°F)
Mean maximum 12°C
(54°F)		 14°C
(58°F)		 17°C
(63°F)		 22°C
(73°F)		 24°C
(75°F)		 27°C
(80°F)		 30°C
(87°F)		 29°C
(84°F)		 25°C
(78°F)		 19°C
(67°F)		 15°C
(59°F)		 13°C
(56°F)
Average high 7°C
(45°F)		 9°C
(48°F)		 11°C
(51°F)		 14°C
(57°F)		 17°C
(63°F)		 20°C
(69°F)		 22°C
(73°F)		 22°C
(71°F)		 19°C
(67°F)		 15°C
(59°F)		 10°C
(51°F)		 8°C
(47°F)
Daily mean 5°C
(41°F)		 6°C
(43°F)		 7°C
(45°F)		 9°C
(49°F)		 13°C
(55°F)		 16°C
(62°F)		 18°C
(65°F)		 18°C
(64°F)		 15°C
(59°F)		 12°C
(53°F)		 8°C
(46°F)		 6°C
(43°F)
Average low 2°C
(36°F)		 3°C
(38°F)		 4°C
(40°F)		 5°C
(41°F)		 8°C
(47°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(57°F)		 11°C
(52°F)		 8°C
(48°F)		 5°C
(41°F)		 4°C
(39°F)
Mean minimum -3°C
(26°F)		 -3°C
(27°F)		 -1°C
(31°F)		 -0°C
(31°F)		 3°C
(37°F)		 8°C
(46°F)		 10°C
(51°F)		 10°C
(50°F)		 6°C
(42°F)		 3°C
(37°F)		 -1°C
(30°F)		 -2°C
(29°F)
Minimum -5°C
(24°F)		 -6°C
(22°F)		 -6°C
(22°F)		 -2°C
(29°F)		 2°C
(35°F)		 7°C
(45°F)		 9°C
(48°F)		 8°C
(47°F)		 3°C
(38°F)		 1°C
(34°F)		 -2°C
(29°F)		 -5°C
(23°F)

Compare climate in Knebworth with other places

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

Monthly average precipitation in Knebworth, England, United Kingdom §

Knebworth usually has the most precipitation in June, October and December, with an average of 12 rainy days and 81 mm (3.2 inches) of precipitation per month.The driest months in Knebworth are April, September and November. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Knebworth, 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) 54 (2.1) 51 (2.0) 56 (2.2) 32 (1.3) 65 (2.5) 74 (2.9) 67 (2.6) 72 (2.8) 49 (1.9) 86 (3.4) 51 (2.0) 83 (3.3)
Average precipitation days (≥ 1 mm) 10 11 13 8 11 10 12 13 10 12 10 14

Monthly sunshine hours in Knebworth, England, United Kingdom §

The sunniest months in Knebworth are May, June and July, when the sun shines an average of 12 hours 56 minutes a day.Least sunny months in Knebworth: January, November and December receive an average of 3 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Knebworth, 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 97 148 210 318 398 388 403 368 300 241 144 108
Mean daily daylight hours 8h 22m 9h 57m 11h 55m 13h 54m 15h 39m 16h 34m 16h 4m 14h 30m 12h 35m 10h 36m 8h 49m 7h 52m

Solar UV radiation in Knebworth, England, United Kingdom §

Knebworth 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 Knebworth UV Index data.

Average daily maximum UV levels by month for Knebworth, 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 5 7 8 8 7 6 4 2 1