nomadseason

Monthly climate in Kennebunkport, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kennebunkport features a humid continental climate (Dfb).Temperatures typically range between -1 °C (31 °F) and 21 °C (70 °F) through the year, but rarely can drop to -19 °C (-1 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1249 mm (49.2 inches) and receives 118 rainy days on the 1 mm (0.04 inches) threshold annually.Kennebunkport enjoys an average of 3002 hours of sunshine throughout the year, and daylight varies from 9 hours 1 minutes to 15 hours 18 minutes per day.

Monthly average temperatures in Kennebunkport, Maine, United States §

The warmest months in Kennebunkport are July, August and September, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (31 - 35 °F) throughout the day. On average each year, Kennebunkport experiences 14 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kennebunkport, 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 14°C
(57°F)		 15°C
(59°F)		 14°C
(58°F)		 20°C
(69°F)		 24°C
(76°F)		 28°C
(83°F)		 31°C
(88°F)		 29°C
(84°F)		 28°C
(83°F)		 23°C
(74°F)		 19°C
(66°F)		 14°C
(58°F)
Mean maximum 11°C
(51°F)		 11°C
(52°F)		 12°C
(54°F)		 16°C
(61°F)		 23°C
(74°F)		 25°C
(77°F)		 28°C
(82°F)		 27°C
(82°F)		 25°C
(78°F)		 22°C
(71°F)		 17°C
(63°F)		 13°C
(55°F)
Average high 2°C
(36°F)		 3°C
(38°F)		 5°C
(41°F)		 9°C
(49°F)		 14°C
(58°F)		 20°C
(68°F)		 23°C
(74°F)		 23°C
(74°F)		 20°C
(69°F)		 15°C
(60°F)		 9°C
(49°F)		 4°C
(40°F)
Daily mean -1°C
(31°F)		 -0°C
(32°F)		 2°C
(36°F)		 7°C
(45°F)		 12°C
(53°F)		 17°C
(63°F)		 21°C
(70°F)		 21°C
(70°F)		 18°C
(65°F)		 13°C
(56°F)		 6°C
(44°F)		 2°C
(35°F)
Average low -4°C
(26°F)		 -3°C
(26°F)		 -1°C
(31°F)		 4°C
(40°F)		 9°C
(49°F)		 15°C
(59°F)		 19°C
(66°F)		 19°C
(67°F)		 16°C
(61°F)		 11°C
(52°F)		 4°C
(39°F)		 -1°C
(31°F)
Mean minimum -14°C
(7°F)		 -13°C
(9°F)		 -11°C
(13°F)		 0°C
(33°F)		 5°C
(40°F)		 10°C
(50°F)		 16°C
(61°F)		 15°C
(59°F)		 11°C
(52°F)		 5°C
(41°F)		 -5°C
(23°F)		 -9°C
(15°F)
Minimum -19°C
(-1°F)		 -15°C
(5°F)		 -13°C
(8°F)		 -2°C
(29°F)		 3°C
(37°F)		 8°C
(47°F)		 15°C
(58°F)		 14°C
(57°F)		 9°C
(49°F)		 2°C
(35°F)		 -10°C
(14°F)		 -17°C
(2°F)

Compare climate in Kennebunkport with other places

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

Monthly average precipitation in Kennebunkport, Maine, United States §

Kennebunkport usually has the most precipitation in April, October and December, with an average of 11 rainy days and 147 mm (5.8 inches) of precipitation per month.The driest months in Kennebunkport are June, August and September. On average, 72 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kennebunkport, 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) 87 (3.4) 102 (4.0) 94 (3.7) 145 (5.7) 86 (3.4) 75 (2.9) 110 (4.3) 61 (2.4) 80 (3.2) 152 (6.0) 115 (4.5) 142 (5.6)
Average precipitation days (≥ 1 mm) 9 10 10 12 10 8 11 7 8 13 10 10

Monthly sunshine hours in Kennebunkport, Maine, United States §

The sunniest months in Kennebunkport are June, July and August, when the sun shines an average of 10 hours 52 minutes a day.Least sunny months in Kennebunkport: 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 Kennebunkport, 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 147 183 255 245 297 330 335 335 283 222 193 173
Mean daily daylight hours 9h 23m 10h 31m 11h 57m 13h 26m 14h 41m 15h 18m 14h 58m 13h 51m 12h 26m 10h 58m 9h 41m 9h 1m

Solar UV radiation in Kennebunkport, Maine, United States §

Kennebunkport 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 Kennebunkport UV Index data.

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