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Monthly climate in Monroe, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Monroe features a humid continental climate (Dfb).Temperatures typically range between -4 °C (24 °F) and 20 °C (68 °F) through the year, but rarely can drop to -26 °C (-14 °F) or can rise to as high as 32 °C (91 °F).The average annual precipitation amounts to about 1175 mm (46.3 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually.Monroe enjoys an average of 2920 hours of sunshine throughout the year, and daylight varies from 8 hours 52 minutes to 15 hours 28 minutes per day.

Monthly average temperatures in Monroe, Maine, United States §

The warmest months in Monroe 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 -4 to -2 °C (24 - 28 °F) throughout the day. On average each year, Monroe experiences 31 days above 25 °C (77.0 °F) and 119 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Monroe, 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)		 17°C
(62°F)		 15°C
(59°F)		 22°C
(73°F)		 30°C
(87°F)		 32°C
(90°F)		 32°C
(90°F)		 32°C
(91°F)		 29°C
(84°F)		 24°C
(75°F)		 20°C
(69°F)		 15°C
(59°F)
Mean maximum 10°C
(49°F)		 11°C
(52°F)		 12°C
(54°F)		 18°C
(64°F)		 27°C
(80°F)		 28°C
(83°F)		 31°C
(87°F)		 30°C
(87°F)		 27°C
(81°F)		 22°C
(71°F)		 17°C
(63°F)		 13°C
(56°F)
Average high -1°C
(31°F)		 1°C
(33°F)		 4°C
(39°F)		 10°C
(50°F)		 16°C
(61°F)		 21°C
(71°F)		 24°C
(76°F)		 25°C
(77°F)		 21°C
(69°F)		 14°C
(58°F)		 7°C
(45°F)		 1°C
(35°F)
Daily mean -4°C
(24°F)		 -4°C
(26°F)		 -0°C
(32°F)		 6°C
(43°F)		 11°C
(53°F)		 17°C
(63°F)		 20°C
(68°F)		 20°C
(68°F)		 16°C
(61°F)		 11°C
(51°F)		 3°C
(38°F)		 -2°C
(28°F)
Average low -9°C
(17°F)		 -8°C
(17°F)		 -4°C
(25°F)		 2°C
(36°F)		 7°C
(45°F)		 12°C
(54°F)		 16°C
(61°F)		 16°C
(61°F)		 12°C
(54°F)		 7°C
(45°F)		 -0°C
(32°F)		 -6°C
(22°F)
Mean minimum -20°C
(-3°F)		 -20°C
(-3°F)		 -16°C
(4°F)		 -4°C
(25°F)		 2°C
(36°F)		 7°C
(45°F)		 11°C
(53°F)		 11°C
(51°F)		 6°C
(43°F)		 1°C
(34°F)		 -10°C
(14°F)		 -16°C
(4°F)
Minimum -26°C
(-14°F)		 -24°C
(-12°F)		 -18°C
(-1°F)		 -5°C
(23°F)		 1°C
(34°F)		 4°C
(39°F)		 10°C
(50°F)		 9°C
(48°F)		 3°C
(38°F)		 -2°C
(29°F)		 -15°C
(5°F)		 -22°C
(-8°F)

Compare climate in Monroe with other places

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

Monthly average precipitation in Monroe, Maine, United States §

Monroe usually has the most precipitation in April, October and December, with an average of 11 rainy days and 130 mm (5.1 inches) of precipitation per month.The driest months in Monroe are March, June and August. On average, 75 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Monroe, 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) 88 (3.5) 72 (2.9) 131 (5.2) 90 (3.6) 76 (3.0) 91 (3.6) 75 (3.0) 77 (3.0) 130 (5.1) 121 (4.8) 129 (5.1)
Average precipitation days (≥ 1 mm) 9 10 9 12 10 10 11 9 8 12 12 11

Monthly sunshine hours in Monroe, Maine, United States §

The sunniest months in Monroe are June, July and August, when the sun shines an average of 10 hours 30 minutes a day.Least sunny months in Monroe: January, November and December receive an average of 5 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Monroe, 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 145 187 255 237 285 319 319 327 281 211 179 172
Mean daily daylight hours 9h 15m 10h 27m 11h 57m 13h 30m 14h 48m 15h 28m 15h 6m 13h 56m 12h 27m 10h 55m 9h 34m 8h 52m

Solar UV radiation in Monroe, Maine, United States §

Monroe experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 Monroe UV Index data.

Average daily maximum UV levels by month for Monroe, 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 9 8 7 5 3 2