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Monthly climate in Harpswell Center, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Harpswell Center features a humid continental climate (Dfb).Temperatures typically range between -2 °C (30 °F) and 20 °C (68 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 27 °C (80 °F).The average annual precipitation amounts to about 1342 mm (52.8 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually.Harpswell Center enjoys an average of 3019 hours of sunshine throughout the year, and daylight varies from 8 hours 56 minutes to 15 hours 23 minutes per day.

Monthly average temperatures in Harpswell Center, Maine, United States §

The warmest months in Harpswell Center are July, August and September, 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 -2 to 1 °C (30 - 34 °F) throughout the day. On average each year, Harpswell Center experiences 2 days above 25 °C (77.0 °F) and 83 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Harpswell Center, 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)		 12°C
(55°F)		 16°C
(62°F)		 22°C
(73°F)		 26°C
(78°F)		 27°C
(80°F)		 26°C
(80°F)		 25°C
(77°F)		 20°C
(68°F)		 17°C
(63°F)		 13°C
(56°F)
Mean maximum 10°C
(50°F)		 9°C
(48°F)		 10°C
(50°F)		 13°C
(55°F)		 19°C
(67°F)		 23°C
(73°F)		 25°C
(78°F)		 25°C
(78°F)		 22°C
(73°F)		 19°C
(67°F)		 16°C
(61°F)		 12°C
(54°F)
Average high 2°C
(35°F)		 2°C
(36°F)		 4°C
(39°F)		 8°C
(47°F)		 13°C
(55°F)		 17°C
(64°F)		 21°C
(70°F)		 22°C
(71°F)		 19°C
(66°F)		 14°C
(58°F)		 8°C
(47°F)		 3°C
(39°F)
Daily mean -2°C
(30°F)		 -1°C
(31°F)		 1°C
(34°F)		 6°C
(43°F)		 11°C
(51°F)		 16°C
(60°F)		 19°C
(67°F)		 20°C
(68°F)		 17°C
(63°F)		 12°C
(55°F)		 6°C
(43°F)		 1°C
(34°F)
Average low -4°C
(24°F)		 -4°C
(25°F)		 -1°C
(30°F)		 4°C
(39°F)		 9°C
(48°F)		 14°C
(57°F)		 18°C
(64°F)		 18°C
(66°F)		 15°C
(60°F)		 11°C
(51°F)		 3°C
(38°F)		 -2°C
(29°F)
Mean minimum -15°C
(6°F)		 -13°C
(8°F)		 -11°C
(12°F)		 -0°C
(31°F)		 5°C
(40°F)		 10°C
(50°F)		 15°C
(59°F)		 15°C
(60°F)		 11°C
(52°F)		 5°C
(41°F)		 -5°C
(23°F)		 -11°C
(13°F)
Minimum -18°C
(-0°F)		 -15°C
(5°F)		 -14°C
(7°F)		 -2°C
(28°F)		 2°C
(37°F)		 9°C
(48°F)		 13°C
(56°F)		 15°C
(58°F)		 9°C
(48°F)		 2°C
(35°F)		 -11°C
(12°F)		 -17°C
(1°F)

Compare climate in Harpswell Center with other places

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

Monthly average precipitation in Harpswell Center, Maine, United States §

Harpswell Center usually has the most precipitation in April, October and December, with an average of 12 rainy days and 158 mm (6.2 inches) of precipitation per month.The driest months in Harpswell Center are June, August and September. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Harpswell Center, 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) 101 (4.0) 104 (4.1) 92 (3.6) 154 (6.1) 95 (3.8) 77 (3.0) 112 (4.4) 73 (2.9) 81 (3.2) 170 (6.7) 134 (5.3) 149 (5.9)
Average precipitation days (≥ 1 mm) 9 10 9 13 11 9 11 8 8 13 11 11

Monthly sunshine hours in Harpswell Center, Maine, United States §

The sunniest months in Harpswell Center are June, July and August, when the sun shines an average of 10 hours 56 minutes a day.Least sunny months in Harpswell Center: January, February and December receive an average of 5 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Harpswell Center, 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 146 184 258 247 299 331 336 338 288 223 191 173
Mean daily daylight hours 9h 19m 10h 29m 11h 57m 13h 28m 14h 45m 15h 23m 15h 2m 13h 54m 12h 27m 10h 56m 9h 37m 8h 56m

Solar UV radiation in Harpswell Center, Maine, United States §

Harpswell Center 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 Harpswell Center UV Index data.

Average daily maximum UV levels by month for Harpswell Center, 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