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Monthly climate in Rock Hall, Maryland, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Rock Hall features a humid subtropical climate (Cfa). Temperatures typically range between 2 °C (37 °F) and 27 °C (80 °F) through the year, but rarely can drop to -12 °C (10 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 1408 mm (55.4 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually. Rock Hall enjoys an average of 3132 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 51 minutes per day.

Monthly average temperatures in Rock Hall, Maryland, United States §

The warmest months in Rock Hall are June, July and August, with daily mean temperatures ranging from 23 to 27 °C (74 - 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 (37 - 42 °F) throughout the day. On average each year, Rock Hall experiences 79 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 Rock Hall, 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 14°C
(58°F)		 14°C
(57°F)		 20°C
(68°F)		 24°C
(76°F)		 28°C
(82°F)		 30°C
(87°F)		 33°C
(91°F)		 31°C
(89°F)		 31°C
(87°F)		 29°C
(84°F)		 21°C
(71°F)		 16°C
(60°F)
Mean maximum 12°C
(53°F)		 12°C
(54°F)		 16°C
(62°F)		 20°C
(69°F)		 26°C
(79°F)		 29°C
(84°F)		 32°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 25°C
(77°F)		 19°C
(66°F)		 14°C
(57°F)
Average high 5°C
(41°F)		 6°C
(43°F)		 9°C
(49°F)		 15°C
(59°F)		 20°C
(68°F)		 25°C
(78°F)		 29°C
(84°F)		 28°C
(82°F)		 25°C
(77°F)		 20°C
(68°F)		 12°C
(53°F)		 7°C
(45°F)
Daily mean 2°C
(37°F)		 4°C
(39°F)		 7°C
(44°F)		 12°C
(54°F)		 18°C
(64°F)		 23°C
(74°F)		 27°C
(80°F)		 26°C
(78°F)		 23°C
(73°F)		 18°C
(64°F)		 9°C
(49°F)		 5°C
(42°F)
Average low 0°C
(33°F)		 2°C
(35°F)		 4°C
(40°F)		 10°C
(50°F)		 15°C
(60°F)		 21°C
(70°F)		 25°C
(77°F)		 24°C
(75°F)		 21°C
(69°F)		 15°C
(60°F)		 7°C
(45°F)		 3°C
(38°F)
Mean minimum -7°C
(19°F)		 -6°C
(22°F)		 -2°C
(28°F)		 3°C
(38°F)		 8°C
(47°F)		 16°C
(61°F)		 21°C
(69°F)		 20°C
(68°F)		 15°C
(59°F)		 9°C
(49°F)		 0°C
(33°F)		 -3°C
(27°F)
Minimum -12°C
(11°F)		 -12°C
(10°F)		 -5°C
(23°F)		 1°C
(35°F)		 4°C
(40°F)		 12°C
(54°F)		 20°C
(68°F)		 18°C
(64°F)		 13°C
(55°F)		 7°C
(44°F)		 -3°C
(27°F)		 -7°C
(19°F)

Compare climate in Rock Hall with other places

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

Monthly average precipitation in Rock Hall, Maryland, United States §

Rock Hall usually has the most precipitation in February, May and December, with an average of 11 rainy days and 137 mm (5.4 inches) of precipitation per month. The driest months in Rock Hall are January, June and November. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rock Hall, 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) 78 (3.1) 134 (5.3) 109 (4.3) 119 (4.7) 145 (5.7) 91 (3.6) 128 (5.1) 130 (5.1) 113 (4.5) 132 (5.2) 97 (3.8) 132 (5.2)
Average precipitation days (≥ 1 mm) 9 12 10 11 13 11 11 13 10 10 8 10

Monthly sunshine hours in Rock Hall, Maryland, United States §

The sunniest months in Rock Hall are June, July and August, when the sun shines an average of 11 hours 10 minutes a day. Least sunny months in Rock Hall: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rock Hall, 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 151 181 260 268 296 339 359 328 280 250 225 189
Mean daily daylight hours 9h 45m 10h 44m 11h 58m 13h 15m 14h 19m 14h 51m 14h 34m 13h 36m 12h 23m 11h 7m 10h 0m 9h 27m

Solar UV radiation in Rock Hall, Maryland, United States §

Rock Hall 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, 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 Rock Hall UV Index data.

Average daily maximum UV levels by month for Rock Hall, 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 7 5 3

Detailed Monthly Weather Insights for Rock Hall, Maryland, United States

Discover in-depth weather details for every month in Rock Hall. 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 Rock Hall'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.