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Monthly climate in Greenwood, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Greenwood features a humid continental climate (Dfb).Temperatures typically range between -7 °C (19 °F) and 21 °C (69 °F) through the year, but rarely can drop to -30 °C (-22 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1225 mm (48.2 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually.Greenwood enjoys an average of 2827 hours of sunshine throughout the year, and daylight varies from 8 hours 53 minutes to 15 hours 27 minutes per day.

Monthly average temperatures in Greenwood, Maine, United States §

The warmest months in Greenwood are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (64 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -4 °C (19 - 24 °F) throughout the day. On average each year, Greenwood experiences 48 days above 25 °C (77.0 °F) and 142 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Greenwood, 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)		 16°C
(60°F)		 18°C
(65°F)		 24°C
(76°F)		 32°C
(91°F)		 34°C
(94°F)		 35°C
(95°F)		 32°C
(90°F)		 31°C
(87°F)		 27°C
(80°F)		 23°C
(73°F)		 14°C
(58°F)
Mean maximum 8°C
(47°F)		 11°C
(52°F)		 13°C
(56°F)		 20°C
(68°F)		 30°C
(86°F)		 30°C
(86°F)		 32°C
(90°F)		 31°C
(89°F)		 29°C
(84°F)		 23°C
(74°F)		 17°C
(63°F)		 11°C
(52°F)
Average high -2°C
(28°F)		 -1°C
(31°F)		 3°C
(38°F)		 10°C
(50°F)		 18°C
(64°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 21°C
(71°F)		 14°C
(57°F)		 6°C
(42°F)		 -0°C
(32°F)
Daily mean -7°C
(19°F)		 -6°C
(22°F)		 -2°C
(29°F)		 5°C
(42°F)		 12°C
(54°F)		 18°C
(64°F)		 21°C
(69°F)		 20°C
(68°F)		 16°C
(61°F)		 9°C
(49°F)		 1°C
(34°F)		 -4°C
(24°F)
Average low -12°C
(11°F)		 -11°C
(13°F)		 -6°C
(21°F)		 1°C
(34°F)		 7°C
(44°F)		 12°C
(53°F)		 15°C
(60°F)		 15°C
(58°F)		 11°C
(51°F)		 5°C
(41°F)		 -3°C
(27°F)		 -9°C
(16°F)
Mean minimum -23°C
(-9°F)		 -22°C
(-8°F)		 -18°C
(-0°F)		 -7°C
(20°F)		 0°C
(33°F)		 6°C
(43°F)		 10°C
(50°F)		 8°C
(47°F)		 3°C
(37°F)		 -2°C
(29°F)		 -12°C
(10°F)		 -22°C
(-7°F)
Minimum -30°C
(-22°F)		 -25°C
(-12°F)		 -20°C
(-4°F)		 -12°C
(11°F)		 -0°C
(32°F)		 1°C
(34°F)		 8°C
(46°F)		 6°C
(44°F)		 -1°C
(30°F)		 -4°C
(25°F)		 -18°C
(0°F)		 -26°C
(-15°F)

Compare climate in Greenwood with other places

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

Monthly average precipitation in Greenwood, Maine, United States §

Greenwood usually has the most precipitation in April, July and October, with an average of 12 rainy days and 136 mm (5.4 inches) of precipitation per month.The driest months in Greenwood are January, March and September. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Greenwood, 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) 84 (3.3) 89 (3.5) 73 (2.9) 133 (5.2) 88 (3.5) 87 (3.4) 141 (5.6) 97 (3.8) 64 (2.5) 135 (5.3) 112 (4.4) 123 (4.8)
Average precipitation days (≥ 1 mm) 8 10 8 13 10 10 13 11 8 12 11 10

Monthly sunshine hours in Greenwood, Maine, United States §

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

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Greenwood, 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 133 171 248 224 264 318 321 326 286 193 173 165
Mean daily daylight hours 9h 16m 10h 27m 11h 57m 13h 29m 14h 47m 15h 27m 15h 5m 13h 55m 12h 27m 10h 55m 9h 35m 8h 53m

Solar UV radiation in Greenwood, Maine, United States §

Greenwood 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 Greenwood UV Index data.

Average daily maximum UV levels by month for Greenwood, 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