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Monthly climate in Caribou, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Caribou features a humid continental climate (Dfb).Temperatures typically range between -10 °C (14 °F) and 19 °C (67 °F) through the year, but rarely can drop to -33 °C (-28 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1143 mm (45.0 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Caribou enjoys an average of 2724 hours of sunshine throughout the year, and daylight varies from 8 hours 34 minutes to 15 hours 47 minutes per day.

Monthly average temperatures in Caribou, Maine, United States §

The warmest months in Caribou are June, July and August, with daily mean temperatures ranging from 16 to 19 °C (62 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -7 °C (14 - 19 °F) throughout the day. On average each year, Caribou experiences 36 days above 25 °C (77.0 °F) and 162 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Caribou, 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
(50°F)		 8°C
(46°F)		 14°C
(58°F)		 20°C
(67°F)		 33°C
(91°F)		 36°C
(97°F)		 34°C
(93°F)		 33°C
(91°F)		 30°C
(86°F)		 23°C
(74°F)		 23°C
(74°F)		 15°C
(59°F)
Mean maximum 5°C
(42°F)		 6°C
(44°F)		 9°C
(48°F)		 17°C
(64°F)		 29°C
(84°F)		 29°C
(84°F)		 30°C
(87°F)		 30°C
(87°F)		 27°C
(81°F)		 21°C
(70°F)		 17°C
(63°F)		 10°C
(50°F)
Average high -6°C
(22°F)		 -4°C
(25°F)		 0°C
(33°F)		 8°C
(47°F)		 17°C
(63°F)		 22°C
(72°F)		 25°C
(77°F)		 24°C
(76°F)		 20°C
(68°F)		 12°C
(54°F)		 4°C
(39°F)		 -3°C
(27°F)
Daily mean -10°C
(14°F)		 -9°C
(16°F)		 -4°C
(25°F)		 3°C
(38°F)		 11°C
(52°F)		 16°C
(62°F)		 19°C
(67°F)		 19°C
(66°F)		 14°C
(57°F)		 8°C
(46°F)		 -0°C
(32°F)		 -7°C
(19°F)
Average low -14°C
(6°F)		 -14°C
(7°F)		 -8°C
(17°F)		 -1°C
(30°F)		 4°C
(40°F)		 10°C
(50°F)		 14°C
(57°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
(-13°F)		 -20°C
(-4°F)		 -9°C
(16°F)		 -2°C
(28°F)		 2°C
(36°F)		 7°C
(44°F)		 6°C
(42°F)		 0°C
(32°F)		 -5°C
(24°F)		 -16°C
(3°F)		 -23°C
(-9°F)
Minimum -33°C
(-28°F)		 -28°C
(-18°F)		 -23°C
(-10°F)		 -14°C
(7°F)		 -5°C
(24°F)		 -0°C
(32°F)		 5°C
(41°F)		 4°C
(39°F)		 -3°C
(27°F)		 -10°C
(14°F)		 -22°C
(-7°F)		 -26°C
(-15°F)

Compare climate in Caribou with other places

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

Monthly average precipitation in Caribou, Maine, United States §

Caribou usually has the most precipitation in April, October and November, with an average of 12 rainy days and 110 mm (4.3 inches) of precipitation per month.The driest months in Caribou are February, March and August. On average, 76 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Caribou, 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) 92 (3.6) 75 (3.0) 74 (2.9) 110 (4.3) 102 (4.0) 90 (3.5) 99 (3.9) 78 (3.1) 104 (4.1) 107 (4.2) 113 (4.4) 98 (3.9)
Average precipitation days (≥ 1 mm) 9 11 10 13 14 12 12 10 8 12 11 10

Monthly sunshine hours in Caribou, Maine, United States §

The sunniest months in Caribou are June, July and August, when the sun shines an average of 10 hours 29 minutes a day.Least sunny months in Caribou: January, November and December receive an average of 4 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Caribou, 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 118 178 230 213 279 313 330 321 254 185 152 146
Mean daily daylight hours 9h 0m 10h 18m 11h 56m 13h 37m 15h 3m 15h 47m 15h 23m 14h 6m 12h 29m 10h 49m 9h 20m 8h 34m

Solar UV radiation in Caribou, Maine, United States §

Caribou 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 Caribou UV Index data.

Average daily maximum UV levels by month for Caribou, 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