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Monthly climate in Mount Morris, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mount Morris features a oceanic climate (Cfb).Temperatures typically range between 0 °C (33 °F) and 24 °C (75 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1482 mm (58.4 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually.Mount Morris enjoys an average of 2728 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 Mount Morris, Pennsylvania, United States §

The warmest months in Mount Morris 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, Mount Morris experiences 91 days above 25 °C (77.0 °F) and 82 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mount Morris, 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
(71°F)		 26°C
(79°F)		 26°C
(79°F)		 29°C
(84°F)		 30°C
(87°F)		 32°C
(90°F)		 34°C
(93°F)		 33°C
(92°F)		 33°C
(91°F)		 32°C
(90°F)		 26°C
(79°F)		 19°C
(67°F)
Mean maximum 17°C
(62°F)		 20°C
(69°F)		 24°C
(75°F)		 27°C
(81°F)		 30°C
(86°F)		 31°C
(89°F)		 32°C
(90°F)		 32°C
(90°F)		 31°C
(88°F)		 29°C
(84°F)		 23°C
(74°F)		 18°C
(64°F)
Average high 4°C
(40°F)		 8°C
(46°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 26°C
(78°F)		 28°C
(83°F)		 27°C
(82°F)		 25°C
(77°F)		 19°C
(67°F)		 11°C
(52°F)		 7°C
(45°F)
Daily mean 0°C
(33°F)		 3°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 -3°C
(26°F)		 -2°C
(29°F)		 1°C
(35°F)		 6°C
(44°F)		 12°C
(55°F)		 16°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
(16°F)		 -3°C
(27°F)		 2°C
(36°F)		 10°C
(50°F)		 14°C
(57°F)		 13°C
(55°F)		 8°C
(47°F)		 1°C
(35°F)		 -5°C
(23°F)		 -10°C
(14°F)
Minimum -23°C
(-9°F)		 -19°C
(-2°F)		 -15°C
(4°F)		 -5°C
(23°F)		 -2°C
(29°F)		 7°C
(45°F)		 13°C
(56°F)		 11°C
(52°F)		 5°C
(41°F)		 -1°C
(30°F)		 -8°C
(17°F)		 -15°C
(5°F)

Compare climate in Mount Morris with other places

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

Monthly average precipitation in Mount Morris, Pennsylvania, United States §

Mount Morris usually has the most precipitation in May, June and July, with an average of 16 rainy days and 152 mm (6.0 inches) of precipitation per month.The driest months in Mount Morris are January, August and November. On average, 95 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mount Morris, 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) 134 (5.3) 118 (4.6) 135 (5.3) 150 (5.9) 169 (6.6) 137 (5.4) 112 (4.4) 114 (4.5) 116 (4.6) 86 (3.4) 124 (4.9)
Average precipitation days (≥ 1 mm) 12 16 13 16 18 16 15 14 10 13 11 13

Monthly sunshine hours in Mount Morris, Pennsylvania, United States §

The sunniest months in Mount Morris are June, July and August, when the sun shines an average of 10 hours 13 minutes a day.Least sunny months in Mount Morris: January, February and December receive an average of 4 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mount Morris, 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 102 131 224 229 272 301 333 304 275 227 183 140
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 16m 14h 22m 14h 54m 14h 37m 13h 38m 12h 23m 11h 6m 9h 58m 9h 24m

Solar UV radiation in Mount Morris, Pennsylvania, United States §

Mount Morris experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Mount Morris UV Index data.

Average daily maximum UV levels by month for Mount Morris, 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 10 8 7 5 3