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Monthly climate in Farmington, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Farmington features a humid continental climate (Dfb).Temperatures typically range between -8 °C (18 °F) and 20 °C (68 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1193 mm (47.0 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually.Farmington enjoys an average of 2845 hours of sunshine throughout the year, and daylight varies from 8 hours 50 minutes to 15 hours 30 minutes per day.

Monthly average temperatures in Farmington, Maine, United States §

The warmest months in Farmington are June, July and August, with daily mean temperatures ranging from 17 to 20 °C (63 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -5 °C (18 - 23 °F) throughout the day. On average each year, Farmington experiences 44 days above 25 °C (77.0 °F) and 150 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Farmington, 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 11°C
(53°F)		 12°C
(54°F)		 19°C
(66°F)		 23°C
(74°F)		 32°C
(91°F)		 34°C
(94°F)		 35°C
(96°F)		 32°C
(90°F)		 31°C
(89°F)		 26°C
(79°F)		 23°C
(74°F)		 14°C
(58°F)
Mean maximum 8°C
(46°F)		 10°C
(50°F)		 12°C
(54°F)		 19°C
(67°F)		 30°C
(86°F)		 30°C
(86°F)		 32°C
(89°F)		 32°C
(89°F)		 28°C
(83°F)		 23°C
(74°F)		 17°C
(63°F)		 11°C
(51°F)
Average high -3°C
(26°F)		 -2°C
(29°F)		 2°C
(37°F)		 10°C
(49°F)		 18°C
(64°F)		 23°C
(74°F)		 26°C
(78°F)		 25°C
(77°F)		 21°C
(70°F)		 14°C
(57°F)		 5°C
(41°F)		 -1°C
(31°F)
Daily mean -8°C
(18°F)		 -7°C
(21°F)		 -2°C
(28°F)		 5°C
(41°F)		 12°C
(53°F)		 17°C
(63°F)		 20°C
(68°F)		 19°C
(67°F)		 15°C
(60°F)		 9°C
(48°F)		 1°C
(33°F)		 -5°C
(23°F)
Average low -13°C
(10°F)		 -12°C
(11°F)		 -7°C
(20°F)		 0°C
(32°F)		 6°C
(43°F)		 11°C
(52°F)		 15°C
(58°F)		 14°C
(57°F)		 10°C
(50°F)		 4°C
(40°F)		 -4°C
(26°F)		 -10°C
(15°F)
Mean minimum -24°C
(-11°F)		 -23°C
(-9°F)		 -19°C
(-3°F)		 -8°C
(17°F)		 -1°C
(31°F)		 5°C
(41°F)		 9°C
(48°F)		 7°C
(46°F)		 2°C
(36°F)		 -3°C
(27°F)		 -13°C
(9°F)		 -21°C
(-6°F)
Minimum -32°C
(-25°F)		 -26°C
(-15°F)		 -23°C
(-9°F)		 -15°C
(6°F)		 -2°C
(28°F)		 -0°C
(32°F)		 6°C
(43°F)		 6°C
(43°F)		 -2°C
(28°F)		 -5°C
(23°F)		 -18°C
(-1°F)		 -27°C
(-16°F)

Compare climate in Farmington with other places

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

Monthly average precipitation in Farmington, Maine, United States §

Farmington usually has the most precipitation in April, July and October, with an average of 12 rainy days and 129 mm (5.1 inches) of precipitation per month.The driest months in Farmington are January, March and September. On average, 75 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Farmington, 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) 85 (3.4) 85 (3.4) 72 (2.9) 130 (5.1) 89 (3.5) 88 (3.5) 127 (5.0) 88 (3.5) 67 (2.7) 130 (5.1) 112 (4.4) 119 (4.7)
Average precipitation days (≥ 1 mm) 8 9 8 13 10 11 12 12 8 11 12 10

Monthly sunshine hours in Farmington, Maine, United States §

The sunniest months in Farmington are June, July and August, when the sun shines an average of 10 hours 30 minutes a day.Least sunny months in Farmington: January, November and December receive an average of 5 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Farmington, 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 133 174 249 224 278 319 321 325 287 193 171 164
Mean daily daylight hours 9h 13m 10h 25m 11h 57m 13h 31m 14h 50m 15h 30m 15h 9m 13h 57m 12h 27m 10h 54m 9h 32m 8h 50m

Solar UV radiation in Farmington, Maine, United States §

Farmington 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 3. For more detailed information, check out our hourly Farmington UV Index data.

Average daily maximum UV levels by month for Farmington, 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 6 8 9 10 9 9 7 5 3 2