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Monthly climate in Heath, Massachusetts, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Heath features a humid continental climate (Dfb).Temperatures typically range between -4 °C (24 °F) and 22 °C (71 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1441 mm (56.7 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually.Heath enjoys an average of 2878 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 15 minutes per day.

Monthly average temperatures in Heath, Massachusetts, United States §

The warmest months in Heath are June, July and August, with daily mean temperatures ranging from 19 to 22 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -2 °C (24 - 29 °F) throughout the day. On average each year, Heath experiences 56 days above 25 °C (77.0 °F) and 127 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heath, 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
(61°F)		 22°C
(72°F)		 21°C
(70°F)		 28°C
(82°F)		 32°C
(91°F)		 34°C
(94°F)		 37°C
(99°F)		 32°C
(90°F)		 31°C
(88°F)		 27°C
(80°F)		 23°C
(74°F)		 14°C
(58°F)
Mean maximum 10°C
(51°F)		 14°C
(58°F)		 18°C
(64°F)		 22°C
(72°F)		 30°C
(86°F)		 32°C
(89°F)		 33°C
(92°F)		 31°C
(89°F)		 29°C
(85°F)		 24°C
(75°F)		 19°C
(67°F)		 13°C
(55°F)
Average high -0°C
(32°F)		 2°C
(35°F)		 5°C
(42°F)		 12°C
(54°F)		 19°C
(66°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 22°C
(72°F)		 15°C
(60°F)		 7°C
(45°F)		 2°C
(35°F)
Daily mean -4°C
(24°F)		 -3°C
(27°F)		 0°C
(33°F)		 7°C
(45°F)		 14°C
(57°F)		 19°C
(66°F)		 22°C
(71°F)		 21°C
(69°F)		 17°C
(62°F)		 11°C
(51°F)		 3°C
(37°F)		 -2°C
(29°F)
Average low -9°C
(17°F)		 -8°C
(18°F)		 -4°C
(25°F)		 2°C
(37°F)		 8°C
(47°F)		 13°C
(56°F)		 17°C
(62°F)		 16°C
(60°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)		 -16°C
(4°F)		 -4°C
(25°F)		 1°C
(34°F)		 8°C
(47°F)		 12°C
(53°F)		 9°C
(48°F)		 3°C
(38°F)		 -2°C
(28°F)		 -13°C
(10°F)		 -19°C
(-2°F)
Minimum -26°C
(-15°F)		 -23°C
(-9°F)		 -19°C
(-2°F)		 -7°C
(20°F)		 -1°C
(30°F)		 2°C
(36°F)		 10°C
(50°F)		 7°C
(45°F)		 -0°C
(32°F)		 -5°C
(23°F)		 -23°C
(-9°F)		 -24°C
(-10°F)

Compare climate in Heath with other places

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

Monthly average precipitation in Heath, Massachusetts, United States §

Heath usually has the most precipitation in April, July and October, with an average of 13 rainy days and 164 mm (6.5 inches) of precipitation per month.The driest months in Heath are January, February and March. On average, 90 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heath, 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) 85 (3.3) 101 (4.0) 84 (3.3) 151 (5.9) 108 (4.3) 102 (4.0) 169 (6.6) 126 (5.0) 112 (4.4) 173 (6.8) 107 (4.2) 125 (4.9)
Average precipitation days (≥ 1 mm) 9 11 11 14 14 12 14 12 9 12 11 11

Monthly sunshine hours in Heath, Massachusetts, United States §

The sunniest months in Heath are June, July and August, when the sun shines an average of 10 hours 39 minutes a day.Least sunny months in Heath: January, February and December receive an average of 5 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heath, 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 136 175 243 230 273 321 329 329 282 208 186 161
Mean daily daylight hours 9h 26m 10h 33m 11h 57m 13h 24m 14h 38m 15h 15m 14h 55m 13h 49m 12h 26m 10h 59m 9h 43m 9h 5m

Solar UV radiation in Heath, Massachusetts, United States §

Heath 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, February 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 Heath UV Index data.

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