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Monthly climate in Millsboro, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Millsboro features a humid subtropical climate (Cfa).Temperatures typically range between 0 °C (33 °F) and 24 °C (75 °F) through the year, but rarely can drop to -23 °C (-10 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1489 mm (58.6 inches) and receives 164 rainy days on the 1 mm (0.04 inches) threshold annually.Millsboro enjoys an average of 2681 hours of sunshine throughout the year, and daylight varies from 9 hours 21 minutes to 14 hours 57 minutes per day.

Monthly average temperatures in Millsboro, Pennsylvania, United States §

The warmest months in Millsboro are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (33 - 38 °F) throughout the day. On average each year, Millsboro experiences 95 days above 25 °C (77.0 °F) and 83 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Millsboro, Pennsylvania, 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 22°C
(72°F)		 26°C
(79°F)		 26°C
(79°F)		 29°C
(84°F)		 31°C
(88°F)		 32°C
(90°F)		 34°C
(94°F)		 34°C
(93°F)		 33°C
(92°F)		 32°C
(90°F)		 26°C
(79°F)		 19°C
(66°F)
Mean maximum 17°C
(62°F)		 20°C
(69°F)		 23°C
(74°F)		 27°C
(82°F)		 30°C
(87°F)		 32°C
(89°F)		 33°C
(91°F)		 32°C
(91°F)		 32°C
(89°F)		 29°C
(84°F)		 23°C
(73°F)		 17°C
(64°F)
Average high 4°C
(40°F)		 7°C
(45°F)		 11°C
(52°F)		 17°C
(63°F)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(84°F)		 28°C
(83°F)		 25°C
(78°F)		 19°C
(67°F)		 11°C
(52°F)		 7°C
(44°F)
Daily mean 0°C
(33°F)		 2°C
(37°F)		 6°C
(43°F)		 11°C
(53°F)		 17°C
(63°F)		 21°C
(70°F)		 24°C
(75°F)		 23°C
(73°F)		 20°C
(68°F)		 14°C
(58°F)		 6°C
(43°F)		 3°C
(38°F)
Average low -4°C
(26°F)		 -2°C
(29°F)		 1°C
(34°F)		 6°C
(44°F)		 12°C
(55°F)		 17°C
(62°F)		 19°C
(67°F)		 18°C
(65°F)		 15°C
(60°F)		 10°C
(50°F)		 2°C
(35°F)		 -1°C
(31°F)
Mean minimum -16°C
(3°F)		 -15°C
(6°F)		 -9°C
(15°F)		 -2°C
(28°F)		 2°C
(36°F)		 10°C
(51°F)		 14°C
(57°F)		 13°C
(56°F)		 8°C
(47°F)		 2°C
(35°F)		 -5°C
(23°F)		 -10°C
(15°F)
Minimum -23°C
(-10°F)		 -20°C
(-3°F)		 -15°C
(5°F)		 -5°C
(24°F)		 -1°C
(30°F)		 7°C
(45°F)		 13°C
(56°F)		 12°C
(54°F)		 5°C
(40°F)		 -1°C
(31°F)		 -8°C
(18°F)		 -15°C
(5°F)

Compare climate in Millsboro with other places

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

Monthly average precipitation in Millsboro, Pennsylvania, United States §

Millsboro usually has the most precipitation in May, June and July, with an average of 16 rainy days and 158 mm (6.2 inches) of precipitation per month.The driest months in Millsboro are January, August and November. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Millsboro, Pennsylvania, 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) 124 (4.9) 117 (4.6) 129 (5.1) 149 (5.9) 172 (6.8) 153 (6.0) 110 (4.3) 125 (4.9) 121 (4.8) 86 (3.4) 116 (4.6)
Average precipitation days (≥ 1 mm) 12 15 13 15 17 17 15 15 9 13 11 12

Monthly sunshine hours in Millsboro, Pennsylvania, United States §

The sunniest months in Millsboro are June, July and August, when the sun shines an average of 10 hours 8 minutes a day.Least sunny months in Millsboro: January, February and December receive an average of 4 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Millsboro, Pennsylvania, 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 102 129 221 229 264 296 328 308 273 217 174 134
Mean daily daylight hours 9h 40m 10h 41m 11h 58m 13h 17m 14h 24m 14h 57m 14h 39m 13h 40m 12h 24m 11h 5m 9h 56m 9h 21m

Solar UV radiation in Millsboro, Pennsylvania, United States §

Millsboro 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 Millsboro UV Index data.

Average daily maximum UV levels by month for Millsboro, Pennsylvania, 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