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Monthly climate in Gray, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gray features a humid continental climate (Dfb).Temperatures typically range between -4 °C (24 °F) and 21 °C (71 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1132 mm (44.6 inches) and receives 117 rainy days on the 1 mm (0.04 inches) threshold annually.Gray enjoys an average of 2915 hours of sunshine throughout the year, and daylight varies from 8 hours 55 minutes to 15 hours 25 minutes per day.

Monthly average temperatures in Gray, Maine, United States §

The warmest months in Gray are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 71 °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 - 29 °F) throughout the day. On average each year, Gray experiences 45 days above 25 °C (77.0 °F) and 118 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gray, 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 13°C
(56°F)		 16°C
(62°F)		 17°C
(63°F)		 25°C
(77°F)		 32°C
(90°F)		 34°C
(94°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(88°F)		 26°C
(79°F)		 21°C
(70°F)		 15°C
(59°F)
Mean maximum 10°C
(50°F)		 12°C
(54°F)		 14°C
(57°F)		 20°C
(68°F)		 29°C
(84°F)		 29°C
(85°F)		 32°C
(90°F)		 31°C
(88°F)		 28°C
(83°F)		 23°C
(75°F)		 18°C
(65°F)		 13°C
(56°F)
Average high -0°C
(32°F)		 1°C
(34°F)		 5°C
(41°F)		 11°C
(52°F)		 17°C
(63°F)		 23°C
(74°F)		 26°C
(79°F)		 26°C
(79°F)		 22°C
(72°F)		 15°C
(60°F)		 7°C
(46°F)		 2°C
(35°F)
Daily mean -4°C
(24°F)		 -3°C
(26°F)		 0°C
(33°F)		 7°C
(44°F)		 12°C
(55°F)		 18°C
(65°F)		 21°C
(71°F)		 21°C
(70°F)		 17°C
(63°F)		 11°C
(52°F)		 4°C
(39°F)		 -2°C
(29°F)
Average low -9°C
(17°F)		 -8°C
(18°F)		 -4°C
(25°F)		 3°C
(37°F)		 8°C
(47°F)		 14°C
(57°F)		 17°C
(64°F)		 17°C
(63°F)		 13°C
(56°F)		 8°C
(46°F)		 0°C
(33°F)		 -6°C
(22°F)
Mean minimum -20°C
(-3°F)		 -19°C
(-3°F)		 -15°C
(5°F)		 -2°C
(28°F)		 3°C
(37°F)		 8°C
(47°F)		 13°C
(56°F)		 12°C
(54°F)		 7°C
(44°F)		 1°C
(34°F)		 -9°C
(16°F)		 -16°C
(3°F)
Minimum -24°C
(-11°F)		 -23°C
(-9°F)		 -17°C
(1°F)		 -4°C
(24°F)		 1°C
(34°F)		 5°C
(41°F)		 10°C
(51°F)		 11°C
(51°F)		 3°C
(38°F)		 -1°C
(30°F)		 -14°C
(6°F)		 -23°C
(-10°F)

Compare climate in Gray with other places

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

Monthly average precipitation in Gray, Maine, United States §

Gray usually has the most precipitation in July, October and December, with an average of 11 rainy days and 123 mm (4.9 inches) of precipitation per month.The driest months in Gray are March, June and September. On average, 70 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gray, 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) 81 (3.2) 87 (3.4) 73 (2.9) 116 (4.6) 78 (3.1) 70 (2.7) 127 (5.0) 79 (3.1) 68 (2.7) 127 (5.0) 110 (4.3) 116 (4.6)
Average precipitation days (≥ 1 mm) 7 10 8 12 10 9 12 9 8 11 11 10

Monthly sunshine hours in Gray, Maine, United States §

The sunniest months in Gray are June, July and August, when the sun shines an average of 10 hours 36 minutes a day.Least sunny months in Gray: January, February and December receive an average of 5 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gray, 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 143 179 253 234 282 322 324 329 285 204 184 171
Mean daily daylight hours 9h 17m 10h 28m 11h 57m 13h 28m 14h 46m 15h 25m 15h 4m 13h 54m 12h 27m 10h 56m 9h 36m 8h 55m

Solar UV radiation in Gray, Maine, United States §

Gray 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 Gray UV Index data.

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