Monthly climate in Letchworth Garden City, England, United Kingdom

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Letchworth Garden City 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 (21 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 743 mm (29.3 inches) and receives 134 rainy days on the 1 mm (0.04 inches) threshold annually. Letchworth Garden City enjoys an average of 3007 hours of sunshine throughout the year, and daylight varies from 7 hours 49 minutes to 16 hours 37 minutes per day.

Monthly average temperatures in Letchworth Garden City, England, United Kingdom §

The warmest months in Letchworth Garden City are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (61 - 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, Letchworth Garden City experiences 14 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 Letchworth Garden City, 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)
27°C
(80°F)
31°C
(88°F)
36°C
(97°F)
34°C
(94°F)
29°C
(84°F)
23°C
(74°F)
17°C
(63°F)
15°C
(58°F)
Mean maximum 12°C
(54°F)
14°C
(58°F)
17°C
(64°F)
23°C
(73°F)
24°C
(75°F)
26°C
(80°F)
30°C
(87°F)
29°C
(85°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
(62°F)
20°C
(69°F)
23°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
(61°F)
18°C
(65°F)
18°C
(64°F)
15°C
(59°F)
11°C
(53°F)
8°C
(46°F)
6°C
(43°F)
Average low 2°C
(36°F)
3°C
(38°F)
4°C
(39°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
(47°F)
5°C
(41°F)
4°C
(39°F)
Mean minimum -3°C
(27°F)
-3°C
(27°F)
-1°C
(30°F)
-1°C
(31°F)
2°C
(36°F)
8°C
(46°F)
10°C
(50°F)
9°C
(49°F)
5°C
(42°F)
3°C
(37°F)
-1°C
(30°F)
-2°C
(29°F)
Minimum -4°C
(25°F)
-6°C
(21°F)
-6°C
(22°F)
-2°C
(29°F)
1°C
(35°F)
7°C
(44°F)
8°C
(47°F)
8°C
(47°F)
3°C
(37°F)
0°C
(33°F)
-2°C
(28°F)
-4°C
(25°F)

Compare climate in Letchworth Garden City with other places

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

Monthly average precipitation in Letchworth Garden City, England, United Kingdom §

Letchworth Garden City 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 Letchworth Garden City are February, April and November. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Letchworth Garden City, 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) 49 (1.9) 56 (2.2) 34 (1.3) 68 (2.7) 72 (2.8) 66 (2.6) 71 (2.8) 52 (2.0) 87 (3.4) 52 (2.0) 82 (3.2)
Average precipitation days (≥ 1 mm) 9 11 13 8 12 10 13 12 9 12 10 15

Monthly sunshine hours in Letchworth Garden City, England, United Kingdom §

The sunniest months in Letchworth Garden City are May, June and July, when the sun shines an average of 12 hours 24 minutes a day. Least sunny months in Letchworth Garden City: January, November and December receive an average of 3 hours 37 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Letchworth Garden City, 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 92 146 205 306 381 370 389 353 290 230 137 103
Mean daily daylight hours 8h 20m 9h 56m 11h 54m 13h 56m 15h 42m 16h 37m 16h 8m 14h 32m 12h 35m 10h 35m 8h 47m 7h 49m

Solar UV radiation in Letchworth Garden City, England, United Kingdom §

Letchworth Garden City 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 Letchworth Garden City UV Index data.

Average daily maximum UV levels by month for Letchworth Garden City, 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

Detailed Monthly Weather Insights for Letchworth Garden City, England, United Kingdom

Discover in-depth weather details for every month in Letchworth Garden City. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Letchworth Garden City's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.