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Monthly climate in Harrington, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Harrington features a humid continental climate (Dfb).Temperatures typically range between -2 °C (28 °F) and 18 °C (64 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 25 °C (77 °F).The average annual precipitation amounts to about 1291 mm (50.8 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Harrington enjoys an average of 2873 hours of sunshine throughout the year, and daylight varies from 8 hours 51 minutes to 15 hours 29 minutes per day.

Monthly average temperatures in Harrington, Maine, United States §

The warmest months in Harrington are July, August and September, with daily mean temperatures ranging from 15 to 18 °C (60 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (28 - 33 °F) throughout the day. On average each year, Harrington experiences 0 days above 25 °C (77.0 °F) and 95 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harrington, Maine, 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 12°C
(54°F)		 11°C
(51°F)		 10°C
(51°F)		 15°C
(59°F)		 20°C
(69°F)		 25°C
(77°F)		 24°C
(76°F)		 25°C
(77°F)		 24°C
(75°F)		 19°C
(67°F)		 17°C
(62°F)		 14°C
(58°F)
Mean maximum 9°C
(49°F)		 8°C
(47°F)		 8°C
(47°F)		 12°C
(54°F)		 18°C
(65°F)		 21°C
(70°F)		 23°C
(74°F)		 23°C
(75°F)		 21°C
(70°F)		 18°C
(65°F)		 16°C
(60°F)		 13°C
(55°F)
Average high 1°C
(34°F)		 1°C
(35°F)		 3°C
(38°F)		 7°C
(46°F)		 12°C
(53°F)		 16°C
(61°F)		 19°C
(67°F)		 20°C
(68°F)		 18°C
(64°F)		 14°C
(57°F)		 8°C
(47°F)		 3°C
(38°F)
Daily mean -2°C
(28°F)		 -2°C
(28°F)		 0°C
(33°F)		 5°C
(42°F)		 9°C
(49°F)		 14°C
(57°F)		 17°C
(63°F)		 18°C
(64°F)		 15°C
(60°F)		 12°C
(53°F)		 6°C
(43°F)		 0°C
(33°F)
Average low -6°C
(22°F)		 -6°C
(22°F)		 -2°C
(28°F)		 3°C
(38°F)		 7°C
(45°F)		 12°C
(53°F)		 15°C
(60°F)		 16°C
(61°F)		 14°C
(57°F)		 9°C
(49°F)		 3°C
(37°F)		 -3°C
(27°F)
Mean minimum -17°C
(3°F)		 -16°C
(4°F)		 -13°C
(8°F)		 -1°C
(30°F)		 4°C
(39°F)		 8°C
(47°F)		 13°C
(55°F)		 13°C
(56°F)		 9°C
(49°F)		 4°C
(40°F)		 -6°C
(22°F)		 -13°C
(10°F)
Minimum -19°C
(-2°F)		 -17°C
(1°F)		 -16°C
(3°F)		 -4°C
(26°F)		 3°C
(37°F)		 6°C
(44°F)		 12°C
(54°F)		 12°C
(54°F)		 8°C
(46°F)		 1°C
(34°F)		 -12°C
(12°F)		 -19°C
(-2°F)

Compare climate in Harrington with other places

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

Monthly average precipitation in Harrington, Maine, United States §

Harrington usually has the most precipitation in April, November and December, with an average of 13 rainy days and 140 mm (5.5 inches) of precipitation per month.The driest months in Harrington are March, July and August. On average, 80 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harrington, Maine, 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) 107 (4.2) 103 (4.1) 82 (3.2) 137 (5.4) 107 (4.2) 98 (3.9) 80 (3.1) 79 (3.1) 99 (3.9) 115 (4.5) 141 (5.6) 143 (5.6)
Average precipitation days (≥ 1 mm) 8 11 9 14 12 10 11 8 8 11 13 12

Monthly sunshine hours in Harrington, Maine, United States §

The sunniest months in Harrington are June, July and August, when the sun shines an average of 10 hours 7 minutes a day.Least sunny months in Harrington: January, November and December receive an average of 5 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harrington, Maine, 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 127 183 251 241 293 306 309 315 277 228 179 158
Mean daily daylight hours 9h 14m 10h 26m 11h 57m 13h 30m 14h 49m 15h 29m 15h 7m 13h 57m 12h 27m 10h 55m 9h 33m 8h 51m

Solar UV radiation in Harrington, Maine, United States §

Harrington experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 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 3. For more detailed information, check out our hourly Harrington UV Index data.

Average daily maximum UV levels by month for Harrington, Maine, 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) 2 4 5 7 9 10 8 8 7 5 3 2