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Monthly climate in Port Deposit, Maryland, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port Deposit features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (36 °F) and 27 °C (80 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1224 mm (48.2 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually.Port Deposit enjoys an average of 3033 hours of sunshine throughout the year, and daylight varies from 9 hours 24 minutes to 14 hours 54 minutes per day.

Monthly average temperatures in Port Deposit, Maryland, United States §

The warmest months in Port Deposit are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (75 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (36 - 41 °F) throughout the day. On average each year, Port Deposit experiences 96 days above 25 °C (77.0 °F) and 45 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Deposit, 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 18°C
(65°F)		 23°C
(73°F)		 27°C
(80°F)		 29°C
(85°F)		 32°C
(90°F)		 33°C
(92°F)		 36°C
(97°F)		 33°C
(92°F)		 33°C
(91°F)		 33°C
(91°F)		 24°C
(75°F)		 18°C
(65°F)
Mean maximum 15°C
(60°F)		 19°C
(66°F)		 22°C
(72°F)		 26°C
(80°F)		 31°C
(88°F)		 33°C
(91°F)		 34°C
(94°F)		 33°C
(91°F)		 31°C
(88°F)		 28°C
(82°F)		 22°C
(71°F)		 16°C
(61°F)
Average high 6°C
(42°F)		 8°C
(46°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 27°C
(81°F)		 30°C
(86°F)		 29°C
(84°F)		 26°C
(78°F)		 20°C
(69°F)		 12°C
(54°F)		 8°C
(46°F)
Daily mean 2°C
(36°F)		 4°C
(40°F)		 7°C
(45°F)		 13°C
(56°F)		 18°C
(65°F)		 24°C
(75°F)		 27°C
(80°F)		 25°C
(78°F)		 22°C
(72°F)		 17°C
(62°F)		 9°C
(48°F)		 5°C
(41°F)
Average low -1°C
(31°F)		 1°C
(34°F)		 4°C
(39°F)		 10°C
(49°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 22°C
(73°F)		 19°C
(66°F)		 13°C
(57°F)		 5°C
(41°F)		 2°C
(35°F)
Mean minimum -9°C
(15°F)		 -8°C
(18°F)		 -4°C
(25°F)		 3°C
(37°F)		 7°C
(45°F)		 15°C
(59°F)		 19°C
(67°F)		 18°C
(64°F)		 13°C
(55°F)		 7°C
(44°F)		 -2°C
(28°F)		 -5°C
(23°F)
Minimum -14°C
(8°F)		 -14°C
(7°F)		 -7°C
(20°F)		 0°C
(33°F)		 4°C
(39°F)		 10°C
(50°F)		 18°C
(64°F)		 16°C
(61°F)		 9°C
(48°F)		 4°C
(40°F)		 -5°C
(23°F)		 -10°C
(15°F)

Compare climate in Port Deposit with other places

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

Monthly average precipitation in Port Deposit, Maryland, United States §

Port Deposit usually has the most precipitation in May, July and August, with an average of 12 rainy days and 132 mm (5.2 inches) of precipitation per month.The driest months in Port Deposit are January, September and November. On average, 79 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Deposit, 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) 60 (2.4) 97 (3.8) 97 (3.8) 100 (3.9) 134 (5.3) 96 (3.8) 129 (5.1) 133 (5.2) 94 (3.7) 104 (4.1) 81 (3.2) 98 (3.9)
Average precipitation days (≥ 1 mm) 8 11 10 10 12 11 12 14 10 8 7 9

Monthly sunshine hours in Port Deposit, Maryland, United States §

The sunniest months in Port Deposit are June, July and August, when the sun shines an average of 10 hours 52 minutes a day.Least sunny months in Port Deposit: January, February and December receive an average of 5 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Deposit, 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 145 177 250 257 283 326 353 319 274 235 223 185
Mean daily daylight hours 9h 43m 10h 42m 11h 58m 13h 16m 14h 22m 14h 54m 14h 36m 13h 38m 12h 23m 11h 6m 9h 58m 9h 24m

Solar UV radiation in Port Deposit, Maryland, United States §

Port Deposit experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the 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 Port Deposit UV Index data.

Average daily maximum UV levels by month for Port Deposit, 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 9 8 6 4 3