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Monthly climate in Clarks Summit, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Clarks Summit features a humid continental climate (Dfb).Temperatures typically range between -2 °C (28 °F) and 23 °C (73 °F) through the year, but rarely can drop to -25 °C (-14 °F) or can rise to as high as 35 °C (95 °F).The average annual precipitation amounts to about 1165 mm (45.9 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Clarks Summit enjoys an average of 2789 hours of sunshine throughout the year, and daylight varies from 9 hours 13 minutes to 15 hours 6 minutes per day.

Monthly average temperatures in Clarks Summit, Pennsylvania, United States §

The warmest months in Clarks Summit are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (68 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (28 - 33 °F) throughout the day. On average each year, Clarks Summit experiences 64 days above 25 °C (77.0 °F) and 108 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Clarks Summit, 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 17°C
(62°F)		 22°C
(72°F)		 22°C
(72°F)		 27°C
(80°F)		 31°C
(88°F)		 33°C
(92°F)		 35°C
(95°F)		 32°C
(90°F)		 32°C
(89°F)		 28°C
(83°F)		 23°C
(73°F)		 16°C
(60°F)
Mean maximum 12°C
(54°F)		 16°C
(61°F)		 19°C
(66°F)		 24°C
(75°F)		 29°C
(85°F)		 31°C
(88°F)		 33°C
(92°F)		 31°C
(89°F)		 30°C
(86°F)		 26°C
(79°F)		 20°C
(68°F)		 13°C
(56°F)
Average high 1°C
(34°F)		 3°C
(39°F)		 7°C
(45°F)		 14°C
(57°F)		 20°C
(68°F)		 24°C
(76°F)		 28°C
(82°F)		 26°C
(80°F)		 23°C
(74°F)		 17°C
(63°F)		 8°C
(47°F)		 3°C
(39°F)
Daily mean -2°C
(28°F)		 -1°C
(31°F)		 2°C
(36°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(73°F)		 22°C
(71°F)		 18°C
(65°F)		 12°C
(55°F)		 4°C
(40°F)		 0°C
(33°F)
Average low -6°C
(21°F)		 -5°C
(24°F)		 -2°C
(28°F)		 4°C
(39°F)		 10°C
(50°F)		 14°C
(58°F)		 18°C
(65°F)		 17°C
(63°F)		 13°C
(56°F)		 8°C
(47°F)		 0°C
(33°F)		 -3°C
(27°F)
Mean minimum -19°C
(-1°F)		 -17°C
(1°F)		 -12°C
(10°F)		 -3°C
(27°F)		 1°C
(35°F)		 9°C
(48°F)		 12°C
(55°F)		 11°C
(51°F)		 6°C
(42°F)		 0°C
(33°F)		 -10°C
(15°F)		 -12°C
(10°F)
Minimum -25°C
(-13°F)		 -25°C
(-14°F)		 -19°C
(-1°F)		 -6°C
(22°F)		 -2°C
(28°F)		 5°C
(41°F)		 11°C
(52°F)		 9°C
(48°F)		 1°C
(34°F)		 -1°C
(31°F)		 -19°C
(-1°F)		 -16°C
(3°F)

Compare climate in Clarks Summit with other places

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

Monthly average precipitation in Clarks Summit, Pennsylvania, United States §

Clarks Summit usually has the most precipitation in May, July and October, with an average of 13 rainy days and 119 mm (4.7 inches) of precipitation per month.The driest months in Clarks Summit are January, November and December. On average, 81 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Clarks Summit, 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) 71 (2.8) 92 (3.6) 87 (3.4) 102 (4.0) 122 (4.8) 88 (3.5) 109 (4.3) 104 (4.1) 94 (3.7) 125 (4.9) 85 (3.4) 86 (3.4)
Average precipitation days (≥ 1 mm) 9 13 11 13 14 12 14 13 10 12 10 12

Monthly sunshine hours in Clarks Summit, Pennsylvania, United States §

The sunniest months in Clarks Summit are June, July and August, when the sun shines an average of 10 hours 26 minutes a day.Least sunny months in Clarks Summit: January, February and December receive an average of 4 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Clarks Summit, 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 126 162 225 232 261 313 334 312 274 214 180 150
Mean daily daylight hours 9h 33m 10h 37m 11h 58m 13h 21m 14h 31m 15h 6m 14h 47m 13h 44m 12h 25m 11h 2m 9h 50m 9h 13m

Solar UV radiation in Clarks Summit, Pennsylvania, United States §

Clarks Summit 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 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 Clarks Summit UV Index data.

Average daily maximum UV levels by month for Clarks Summit, 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 6 9 10 10 10 9 8 6 4 2