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Monthly climate in Cobb Island, Maryland, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Cobb Island features a humid subtropical climate (Cfa). Temperatures typically range between 4 °C (39 °F) and 27 °C (81 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1235 mm (48.6 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Cobb Island enjoys an average of 3199 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 46 minutes per day.

Monthly average temperatures in Cobb Island, Maryland, United States §

The warmest months in Cobb Island are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (39 - 44 °F) throughout the day. On average each year, Cobb Island experiences 104 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cobb Island, Maryland, 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 20°C
(68°F)		 24°C
(75°F)		 28°C
(82°F)		 29°C
(85°F)		 33°C
(91°F)		 33°C
(92°F)		 37°C
(99°F)		 34°C
(94°F)		 33°C
(92°F)		 33°C
(91°F)		 25°C
(78°F)		 19°C
(67°F)
Mean maximum 18°C
(64°F)		 20°C
(68°F)		 25°C
(76°F)		 27°C
(80°F)		 31°C
(88°F)		 32°C
(90°F)		 35°C
(95°F)		 34°C
(93°F)		 31°C
(89°F)		 28°C
(83°F)		 23°C
(74°F)		 18°C
(65°F)
Average high 7°C
(45°F)		 10°C
(50°F)		 13°C
(55°F)		 18°C
(65°F)		 23°C
(74°F)		 28°C
(82°F)		 31°C
(87°F)		 29°C
(84°F)		 26°C
(79°F)		 21°C
(70°F)		 14°C
(57°F)		 10°C
(50°F)
Daily mean 4°C
(39°F)		 6°C
(43°F)		 9°C
(48°F)		 14°C
(58°F)		 19°C
(67°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 23°C
(74°F)		 18°C
(64°F)		 10°C
(50°F)		 6°C
(44°F)
Average low 1°C
(34°F)		 2°C
(37°F)		 5°C
(42°F)		 11°C
(52°F)		 16°C
(61°F)		 21°C
(70°F)		 24°C
(75°F)		 23°C
(74°F)		 20°C
(69°F)		 15°C
(59°F)		 7°C
(44°F)		 3°C
(38°F)
Mean minimum -8°C
(17°F)		 -5°C
(22°F)		 -2°C
(29°F)		 4°C
(39°F)		 9°C
(48°F)		 17°C
(62°F)		 20°C
(68°F)		 19°C
(67°F)		 15°C
(59°F)		 8°C
(47°F)		 -0°C
(32°F)		 -3°C
(27°F)
Minimum -14°C
(7°F)		 -11°C
(13°F)		 -4°C
(26°F)		 1°C
(35°F)		 5°C
(42°F)		 14°C
(57°F)		 19°C
(66°F)		 17°C
(63°F)		 11°C
(53°F)		 5°C
(41°F)		 -2°C
(28°F)		 -8°C
(18°F)

Compare climate in Cobb Island with other places

Compare temperature, precipitation, sunshine, UV index in Cobb Island, Maryland, United States with other places around the world.

Monthly average precipitation in Cobb Island, Maryland, United States §

Cobb Island usually has the most precipitation in July, August and October, with an average of 11 rainy days and 135 mm (5.3 inches) of precipitation per month. The driest months in Cobb Island are January, March and November. On average, 76 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cobb Island, Maryland, 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) 65 (2.5) 95 (3.7) 79 (3.1) 94 (3.7) 117 (4.6) 106 (4.2) 132 (5.2) 157 (6.2) 100 (3.9) 118 (4.7) 83 (3.3) 89 (3.5)
Average precipitation days (≥ 1 mm) 8 11 10 10 12 12 11 15 11 8 7 9

Monthly sunshine hours in Cobb Island, Maryland, United States §

The sunniest months in Cobb Island are June, July and August, when the sun shines an average of 11 hours 13 minutes a day. Least sunny months in Cobb Island: January, February and December receive an average of 5 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cobb Island, Maryland, 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 159 185 265 280 307 341 361 329 285 260 229 192
Mean daily daylight hours 9h 49m 10h 46m 11h 58m 13h 13m 14h 15m 14h 46m 14h 29m 13h 34m 12h 22m 11h 9m 10h 4m 9h 32m

Solar UV radiation in Cobb Island, Maryland, United States §

Cobb Island experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Cobb Island UV Index data.

Average daily maximum UV levels by month for Cobb Island, Maryland, 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 5 7 9 10 10 10 10 8 7 5 3

Detailed Monthly Weather Insights for Cobb Island, Maryland, United States

Discover in-depth weather details for every month in Cobb Island. 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 Cobb Island'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.