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Monthly climate in Fort Fairfield, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fort Fairfield features a humid continental climate (Dfb).Temperatures typically range between -10 °C (15 °F) and 19 °C (66 °F) through the year, but rarely can drop to -33 °C (-28 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1189 mm (46.8 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually.Fort Fairfield enjoys an average of 2688 hours of sunshine throughout the year, and daylight varies from 8 hours 35 minutes to 15 hours 46 minutes per day.

Monthly average temperatures in Fort Fairfield, Maine, United States §

The warmest months in Fort Fairfield are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (61 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -7 °C (15 - 20 °F) throughout the day. On average each year, Fort Fairfield experiences 31 days above 25 °C (77.0 °F) and 164 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fort Fairfield, 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 10°C
(51°F)		 8°C
(46°F)		 15°C
(59°F)		 19°C
(67°F)		 32°C
(89°F)		 35°C
(95°F)		 33°C
(92°F)		 32°C
(90°F)		 29°C
(84°F)		 23°C
(73°F)		 23°C
(73°F)		 15°C
(58°F)
Mean maximum 5°C
(42°F)		 6°C
(44°F)		 9°C
(48°F)		 17°C
(63°F)		 28°C
(83°F)		 28°C
(83°F)		 30°C
(86°F)		 30°C
(85°F)		 27°C
(80°F)		 20°C
(69°F)		 17°C
(62°F)		 10°C
(50°F)
Average high -5°C
(23°F)		 -4°C
(25°F)		 0°C
(33°F)		 8°C
(46°F)		 17°C
(62°F)		 21°C
(71°F)		 24°C
(76°F)		 24°C
(75°F)		 19°C
(67°F)		 12°C
(54°F)		 4°C
(39°F)		 -3°C
(27°F)
Daily mean -10°C
(15°F)		 -9°C
(16°F)		 -4°C
(25°F)		 3°C
(38°F)		 10°C
(51°F)		 16°C
(61°F)		 19°C
(66°F)		 18°C
(65°F)		 14°C
(57°F)		 7°C
(45°F)		 -0°C
(32°F)		 -7°C
(20°F)
Average low -14°C
(7°F)		 -14°C
(7°F)		 -8°C
(17°F)		 -1°C
(30°F)		 4°C
(40°F)		 10°C
(50°F)		 13°C
(56°F)		 13°C
(55°F)		 8°C
(47°F)		 3°C
(38°F)		 -4°C
(24°F)		 -12°C
(11°F)
Mean minimum -27°C
(-16°F)		 -25°C
(-14°F)		 -20°C
(-4°F)		 -9°C
(16°F)		 -2°C
(28°F)		 2°C
(36°F)		 6°C
(44°F)		 5°C
(42°F)		 0°C
(33°F)		 -5°C
(24°F)		 -16°C
(3°F)		 -23°C
(-9°F)
Minimum -33°C
(-28°F)		 -28°C
(-19°F)		 -23°C
(-10°F)		 -13°C
(8°F)		 -4°C
(24°F)		 -0°C
(31°F)		 5°C
(41°F)		 4°C
(39°F)		 -3°C
(27°F)		 -10°C
(14°F)		 -21°C
(-5°F)		 -26°C
(-15°F)

Compare climate in Fort Fairfield with other places

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

Monthly average precipitation in Fort Fairfield, Maine, United States §

Fort Fairfield usually has the most precipitation in April, October and November, with an average of 12 rainy days and 114 mm (4.5 inches) of precipitation per month.The driest months in Fort Fairfield are February, March and August. On average, 80 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort Fairfield, 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) 93 (3.7) 77 (3.0) 76 (3.0) 111 (4.4) 107 (4.2) 92 (3.6) 100 (3.9) 88 (3.5) 111 (4.4) 113 (4.5) 118 (4.6) 104 (4.1)
Average precipitation days (≥ 1 mm) 10 11 10 13 14 13 12 10 11 13 11 11

Monthly sunshine hours in Fort Fairfield, Maine, United States §

The sunniest months in Fort Fairfield are June, July and August, when the sun shines an average of 10 hours 20 minutes a day.Least sunny months in Fort Fairfield: January, November and December receive an average of 4 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fort Fairfield, 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 119 179 227 209 273 309 323 318 248 183 152 144
Mean daily daylight hours 9h 0m 10h 18m 11h 56m 13h 37m 15h 3m 15h 46m 15h 23m 14h 6m 12h 29m 10h 49m 9h 21m 8h 35m

Solar UV radiation in Fort Fairfield, Maine, United States §

Fort Fairfield 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, February 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 Fort Fairfield UV Index data.

Average daily maximum UV levels by month for Fort Fairfield, 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 3 5 7 8 10 8 8 7 5 3 2