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Monthly climate in Peru, Massachusetts, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Peru features a humid continental climate (Dfb).Temperatures typically range between -5 °C (24 °F) and 21 °C (71 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 35 °C (94 °F).The average annual precipitation amounts to about 1568 mm (61.7 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually.Peru enjoys an average of 2849 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 14 minutes per day.

Monthly average temperatures in Peru, Massachusetts, United States §

The warmest months in Peru are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (24 - 28 °F) throughout the day. On average each year, Peru experiences 48 days above 25 °C (77.0 °F) and 130 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Peru, 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 16°C
(60°F)		 21°C
(70°F)		 21°C
(70°F)		 27°C
(82°F)		 32°C
(89°F)		 33°C
(91°F)		 35°C
(94°F)		 32°C
(89°F)		 30°C
(87°F)		 26°C
(79°F)		 22°C
(72°F)		 14°C
(58°F)
Mean maximum 10°C
(51°F)		 14°C
(58°F)		 17°C
(64°F)		 21°C
(71°F)		 29°C
(85°F)		 31°C
(88°F)		 32°C
(90°F)		 31°C
(87°F)		 29°C
(84°F)		 23°C
(74°F)		 19°C
(66°F)		 12°C
(54°F)
Average high -1°C
(31°F)		 1°C
(34°F)		 5°C
(41°F)		 12°C
(53°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(71°F)		 15°C
(59°F)		 7°C
(45°F)		 1°C
(35°F)
Daily mean -5°C
(24°F)		 -3°C
(27°F)		 0°C
(33°F)		 7°C
(44°F)		 13°C
(56°F)		 18°C
(65°F)		 21°C
(71°F)		 20°C
(69°F)		 16°C
(62°F)		 11°C
(51°F)		 3°C
(37°F)		 -2°C
(28°F)
Average low -9°C
(16°F)		 -8°C
(18°F)		 -4°C
(24°F)		 2°C
(36°F)		 8°C
(47°F)		 13°C
(56°F)		 17°C
(62°F)		 16°C
(61°F)		 12°C
(53°F)		 6°C
(44°F)		 -2°C
(29°F)		 -6°C
(21°F)
Mean minimum -22°C
(-7°F)		 -20°C
(-4°F)		 -15°C
(4°F)		 -4°C
(24°F)		 1°C
(34°F)		 8°C
(47°F)		 12°C
(53°F)		 9°C
(49°F)		 3°C
(38°F)		 -3°C
(27°F)		 -13°C
(9°F)		 -19°C
(-1°F)
Minimum -27°C
(-16°F)		 -25°C
(-12°F)		 -17°C
(1°F)		 -7°C
(19°F)		 -2°C
(29°F)		 3°C
(37°F)		 9°C
(49°F)		 7°C
(45°F)		 -0°C
(32°F)		 -7°C
(20°F)		 -22°C
(-8°F)		 -23°C
(-9°F)

Compare climate in Peru with other places

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

Monthly average precipitation in Peru, Massachusetts, United States §

Peru usually has the most precipitation in April, July and October, with an average of 13 rainy days and 177 mm (7.0 inches) of precipitation per month.The driest months in Peru are January, March and June. On average, 97 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Peru, 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) 89 (3.5) 111 (4.4) 93 (3.7) 158 (6.2) 123 (4.8) 108 (4.3) 193 (7.6) 144 (5.7) 127 (5.0) 179 (7.0) 113 (4.4) 132 (5.2)
Average precipitation days (≥ 1 mm) 10 12 11 14 14 14 15 13 9 12 12 12

Monthly sunshine hours in Peru, Massachusetts, United States §

The sunniest months in Peru are June, July and August, when the sun shines an average of 10 hours 32 minutes a day.Least sunny months in Peru: January, February and December receive an average of 5 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Peru, 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 132 173 243 231 268 318 328 321 280 207 186 157
Mean daily daylight hours 9h 26m 10h 33m 11h 57m 13h 24m 14h 37m 15h 14m 14h 54m 13h 49m 12h 26m 10h 59m 9h 44m 9h 5m

Solar UV radiation in Peru, Massachusetts, United States §

Peru 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 Peru UV Index data.

Average daily maximum UV levels by month for Peru, 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 10 10 9 9 8 6 4 2