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Monthly climate in Penn Wynne, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Penn Wynne features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (36 °F) and 26 °C (79 °F) through the year, but rarely can drop to -17 °C (1 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1266 mm (49.8 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually.Penn Wynne enjoys an average of 2932 hours of sunshine throughout the year, and daylight varies from 9 hours 22 minutes to 14 hours 56 minutes per day.

Monthly average temperatures in Penn Wynne, Pennsylvania, United States §

The warmest months in Penn Wynne are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (74 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (36 - 40 °F) throughout the day. On average each year, Penn Wynne experiences 101 days above 25 °C (77.0 °F) and 65 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Penn Wynne, 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 20°C
(68°F)		 26°C
(78°F)		 28°C
(83°F)		 32°C
(89°F)		 35°C
(95°F)		 36°C
(98°F)		 37°C
(99°F)		 35°C
(96°F)		 35°C
(95°F)		 35°C
(96°F)		 25°C
(77°F)		 19°C
(67°F)
Mean maximum 17°C
(62°F)		 20°C
(68°F)		 24°C
(76°F)		 28°C
(83°F)		 33°C
(91°F)		 34°C
(94°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(91°F)		 29°C
(84°F)		 23°C
(74°F)		 17°C
(63°F)
Average high 6°C
(42°F)		 8°C
(47°F)		 12°C
(53°F)		 17°C
(64°F)		 23°C
(73°F)		 28°C
(83°F)		 31°C
(88°F)		 29°C
(85°F)		 26°C
(79°F)		 21°C
(69°F)		 13°C
(55°F)		 8°C
(46°F)
Daily mean 2°C
(36°F)		 4°C
(39°F)		 7°C
(44°F)		 12°C
(55°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(71°F)		 16°C
(61°F)		 8°C
(47°F)		 4°C
(40°F)
Average low -2°C
(29°F)		 -0°C
(31°F)		 2°C
(36°F)		 8°C
(46°F)		 13°C
(56°F)		 18°C
(65°F)		 22°C
(71°F)		 21°C
(70°F)		 17°C
(63°F)		 12°C
(54°F)		 3°C
(38°F)		 0°C
(32°F)
Mean minimum -11°C
(12°F)		 -10°C
(14°F)		 -6°C
(21°F)		 1°C
(33°F)		 6°C
(42°F)		 13°C
(55°F)		 16°C
(62°F)		 16°C
(60°F)		 10°C
(50°F)		 4°C
(39°F)		 -5°C
(23°F)		 -8°C
(17°F)
Minimum -17°C
(1°F)		 -15°C
(5°F)		 -11°C
(12°F)		 -2°C
(29°F)		 2°C
(35°F)		 10°C
(50°F)		 14°C
(58°F)		 14°C
(58°F)		 6°C
(44°F)		 2°C
(37°F)		 -8°C
(18°F)		 -12°C
(10°F)

Compare climate in Penn Wynne with other places

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

Monthly average precipitation in Penn Wynne, Pennsylvania, United States §

Penn Wynne usually has the most precipitation in May, July and August, with an average of 13 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Penn Wynne are January, September and November. On average, 80 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Penn Wynne, 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) 63 (2.5) 108 (4.3) 107 (4.2) 105 (4.1) 133 (5.2) 102 (4.0) 131 (5.2) 134 (5.3) 93 (3.7) 106 (4.2) 83 (3.3) 100 (4.0)
Average precipitation days (≥ 1 mm) 9 11 10 11 14 11 13 14 10 9 8 10

Monthly sunshine hours in Penn Wynne, Pennsylvania, United States §

The sunniest months in Penn Wynne are June, July and August, when the sun shines an average of 10 hours 29 minutes a day.Least sunny months in Penn Wynne: January, February and December receive an average of 5 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Penn Wynne, 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 143 173 244 246 273 310 345 308 263 222 220 178
Mean daily daylight hours 9h 41m 10h 41m 11h 58m 13h 17m 14h 23m 14h 56m 14h 38m 13h 39m 12h 23m 11h 5m 9h 57m 9h 22m

Solar UV radiation in Penn Wynne, Pennsylvania, United States §

Penn Wynne 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 Penn Wynne UV Index data.

Average daily maximum UV levels by month for Penn Wynne, 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 3