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Monthly climate in Oak Bluffs, Massachusetts, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Oak Bluffs features a humid subtropical climate (Cfa). Temperatures typically range between 2 °C (35 °F) and 22 °C (73 °F) through the year, but rarely can drop to -16 °C (4 °F) or can rise to as high as 27 °C (81 °F). The average annual precipitation amounts to about 1355 mm (53.4 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. Oak Bluffs enjoys an average of 3011 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 7 minutes per day.

Monthly average temperatures in Oak Bluffs, Massachusetts, United States §

The warmest months in Oak Bluffs are July, August and September, with daily mean temperatures ranging from 20 to 22 °C (67 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 2 to 3 °C (35 - 38 °F) throughout the day. On average each year, Oak Bluffs experiences 6 days above 25 °C (77.0 °F) and 44 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Oak Bluffs, Massachusetts, 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
(55°F)		 12°C
(53°F)		 13°C
(55°F)		 16°C
(61°F)		 20°C
(67°F)		 23°C
(74°F)		 27°C
(81°F)		 26°C
(80°F)		 25°C
(78°F)		 22°C
(72°F)		 19°C
(67°F)		 16°C
(61°F)
Mean maximum 11°C
(52°F)		 10°C
(50°F)		 10°C
(51°F)		 13°C
(56°F)		 18°C
(64°F)		 22°C
(72°F)		 25°C
(78°F)		 25°C
(78°F)		 24°C
(75°F)		 21°C
(71°F)		 17°C
(64°F)		 14°C
(57°F)
Average high 4°C
(40°F)		 4°C
(40°F)		 5°C
(42°F)		 9°C
(49°F)		 13°C
(56°F)		 18°C
(65°F)		 23°C
(73°F)		 23°C
(74°F)		 21°C
(70°F)		 17°C
(63°F)		 11°C
(53°F)		 7°C
(44°F)
Daily mean 2°C
(35°F)		 2°C
(36°F)		 3°C
(38°F)		 8°C
(46°F)		 12°C
(54°F)		 17°C
(63°F)		 22°C
(71°F)		 22°C
(73°F)		 20°C
(67°F)		 15°C
(60°F)		 9°C
(49°F)		 4°C
(40°F)
Average low -1°C
(31°F)		 -0°C
(32°F)		 1°C
(35°F)		 6°C
(43°F)		 11°C
(51°F)		 16°C
(61°F)		 21°C
(69°F)		 21°C
(71°F)		 18°C
(65°F)		 14°C
(57°F)		 7°C
(45°F)		 2°C
(36°F)
Mean minimum -11°C
(12°F)		 -9°C
(16°F)		 -7°C
(20°F)		 2°C
(36°F)		 7°C
(44°F)		 12°C
(54°F)		 17°C
(64°F)		 18°C
(64°F)		 14°C
(58°F)		 8°C
(46°F)		 -2°C
(29°F)		 -5°C
(23°F)
Minimum -16°C
(4°F)		 -12°C
(11°F)		 -9°C
(17°F)		 1°C
(33°F)		 4°C
(40°F)		 11°C
(52°F)		 16°C
(61°F)		 17°C
(63°F)		 14°C
(57°F)		 4°C
(39°F)		 -6°C
(21°F)		 -12°C
(11°F)

Compare climate in Oak Bluffs with other places

Compare temperature, precipitation, sunshine, UV index in Oak Bluffs, Massachusetts, United States with other places around the world.

Monthly average precipitation in Oak Bluffs, Massachusetts, United States §

Oak Bluffs usually has the most precipitation in April, October and December, with an average of 11 rainy days and 143 mm (5.6 inches) of precipitation per month. The driest months in Oak Bluffs are June, July and August. On average, 87 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Oak Bluffs, Massachusetts, 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) 93 (3.7) 118 (4.6) 116 (4.6) 133 (5.3) 119 (4.7) 90 (3.5) 84 (3.3) 86 (3.4) 117 (4.6) 168 (6.6) 103 (4.0) 129 (5.1)
Average precipitation days (≥ 1 mm) 9 12 10 12 13 10 9 9 10 12 10 11

Monthly sunshine hours in Oak Bluffs, Massachusetts, United States §

The sunniest months in Oak Bluffs are June, July and August, when the sun shines an average of 10 hours 53 minutes a day. Least sunny months in Oak Bluffs: January, February and December receive an average of 5 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Oak Bluffs, Massachusetts, 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 142 183 257 242 297 326 346 330 280 236 203 164
Mean daily daylight hours 9h 32m 10h 36m 11h 58m 13h 21m 14h 32m 15h 7m 14h 48m 13h 45m 12h 25m 11h 2m 9h 49m 9h 12m

Solar UV radiation in Oak Bluffs, Massachusetts, United States §

Oak Bluffs 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, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Oak Bluffs UV Index data.

Average daily maximum UV levels by month for Oak Bluffs, Massachusetts, 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) 3 4 6 8 9 10 9 9 8 6 4 2

Detailed Monthly Weather Insights for Oak Bluffs, Massachusetts, United States

Discover in-depth weather details for every month in Oak Bluffs. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Oak Bluffs's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.