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Monthly climate in Leicester, Massachusetts, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Leicester features a humid continental climate (Dfb). Temperatures typically range between -2 °C (29 °F) and 23 °C (73 °F) through the year, but rarely can drop to -22 °C (-8 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1289 mm (50.8 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually. Leicester enjoys an average of 2888 hours of sunshine throughout the year, and daylight varies from 9 hours 7 minutes to 15 hours 12 minutes per day.

Monthly average temperatures in Leicester, Massachusetts, United States §

The warmest months in Leicester are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (68 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (29 - 32 °F) throughout the day. On average each year, Leicester experiences 61 days above 25 °C (77.0 °F) and 102 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Leicester, Massachusetts, United States. 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 18°C
(65°F)		 21°C
(71°F)		 20°C
(69°F)		 27°C
(81°F)		 32°C
(90°F)		 34°C
(94°F)		 36°C
(96°F)		 33°C
(92°F)		 33°C
(91°F)		 26°C
(80°F)		 23°C
(73°F)		 17°C
(62°F)
Mean maximum 13°C
(55°F)		 16°C
(61°F)		 18°C
(64°F)		 21°C
(71°F)		 30°C
(85°F)		 32°C
(90°F)		 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 25°C
(76°F)		 20°C
(68°F)		 15°C
(59°F)
Average high 2°C
(35°F)		 3°C
(39°F)		 7°C
(45°F)		 13°C
(55°F)		 19°C
(66°F)		 25°C
(76°F)		 28°C
(82°F)		 27°C
(81°F)		 23°C
(73°F)		 17°C
(62°F)		 9°C
(49°F)		 4°C
(39°F)
Daily mean -2°C
(29°F)		 -1°C
(31°F)		 2°C
(36°F)		 8°C
(47°F)		 14°C
(58°F)		 20°C
(68°F)		 23°C
(73°F)		 22°C
(72°F)		 18°C
(65°F)		 12°C
(55°F)		 5°C
(41°F)		 0°C
(32°F)
Average low -6°C
(22°F)		 -5°C
(24°F)		 -2°C
(29°F)		 4°C
(40°F)		 10°C
(50°F)		 15°C
(59°F)		 19°C
(66°F)		 18°C
(65°F)		 14°C
(58°F)		 9°C
(48°F)		 1°C
(34°F)		 -4°C
(26°F)
Mean minimum -18°C
(-0°F)		 -16°C
(3°F)		 -13°C
(10°F)		 -2°C
(28°F)		 3°C
(38°F)		 10°C
(50°F)		 14°C
(57°F)		 12°C
(54°F)		 7°C
(45°F)		 0°C
(32°F)		 -8°C
(17°F)		 -14°C
(7°F)
Minimum -22°C
(-8°F)		 -21°C
(-5°F)		 -14°C
(7°F)		 -4°C
(25°F)		 1°C
(34°F)		 6°C
(44°F)		 12°C
(54°F)		 10°C
(50°F)		 4°C
(39°F)		 -4°C
(25°F)		 -14°C
(8°F)		 -20°C
(-5°F)

Compare climate in Leicester with other places

Compare temperature, precipitation, sunshine, UV index in Leicester, Massachusetts, United States with other places around the world.

Monthly average precipitation in Leicester, Massachusetts, United States §

Leicester usually has the most precipitation in April, July and October, with an average of 13 rainy days and 142 mm (5.6 inches) of precipitation per month. The driest months in Leicester are January, February and March. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Leicester, Massachusetts, United States. 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) 73 (2.9) 90 (3.6) 87 (3.4) 130 (5.1) 96 (3.8) 94 (3.7) 155 (6.1) 100 (4.0) 96 (3.8) 141 (5.6) 100 (4.0) 126 (5.0)
Average precipitation days (≥ 1 mm) 8 11 9 13 13 13 14 12 8 12 10 10

Monthly sunshine hours in Leicester, Massachusetts, United States §

The sunniest months in Leicester are June, July and August, when the sun shines an average of 10 hours 24 minutes a day. Least sunny months in Leicester: January, February and December receive an average of 5 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Leicester, Massachusetts, United States. 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 147 181 248 231 270 316 322 317 270 208 196 175
Mean daily daylight hours 9h 28m 10h 34m 11h 57m 13h 23m 14h 36m 15h 12m 14h 52m 13h 47m 12h 25m 11h 0m 9h 46m 9h 7m

Solar UV radiation in Leicester, Massachusetts, United States §

Leicester experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Leicester UV Index data.

Average daily maximum UV levels by month for Leicester, Massachusetts, United States. 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) 3 5 6 8 9 10 9 9 8 6 4 2

Detailed Monthly Weather Insights for Leicester, Massachusetts, United States

Discover in-depth weather details for every month in Leicester. 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 Leicester'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.