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Monthly climate in Lock Haven, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Lock Haven features a humid continental climate (Dfb).Temperatures typically range between -3 °C (27 °F) and 22 °C (73 °F) through the year, but rarely can drop to -28 °C (-17 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1253 mm (49.3 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually.Lock Haven enjoys an average of 2691 hours of sunshine throughout the year, and daylight varies from 9 hours 15 minutes to 15 hours 4 minutes per day.

Monthly average temperatures in Lock Haven, Pennsylvania, United States §

The warmest months in Lock Haven are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (67 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to 0 °C (27 - 33 °F) throughout the day. On average each year, Lock Haven experiences 64 days above 25 °C (77.0 °F) and 109 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lock Haven, 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
(63°F)		 21°C
(70°F)		 22°C
(71°F)		 27°C
(80°F)		 31°C
(87°F)		 34°C
(94°F)		 34°C
(93°F)		 34°C
(93°F)		 32°C
(90°F)		 28°C
(83°F)		 23°C
(73°F)		 18°C
(64°F)
Mean maximum 12°C
(54°F)		 15°C
(60°F)		 19°C
(66°F)		 24°C
(75°F)		 30°C
(86°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(86°F)		 26°C
(79°F)		 19°C
(66°F)		 13°C
(55°F)
Average high 1°C
(34°F)		 4°C
(39°F)		 8°C
(46°F)		 14°C
(57°F)		 20°C
(68°F)		 25°C
(76°F)		 27°C
(82°F)		 27°C
(80°F)		 23°C
(74°F)		 17°C
(63°F)		 8°C
(47°F)		 4°C
(39°F)
Daily mean -3°C
(27°F)		 -1°C
(30°F)		 3°C
(37°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(67°F)		 22°C
(73°F)		 22°C
(71°F)		 18°C
(64°F)		 12°C
(54°F)		 4°C
(39°F)		 0°C
(33°F)
Average low -6°C
(21°F)		 -5°C
(23°F)		 -2°C
(29°F)		 4°C
(40°F)		 10°C
(50°F)		 14°C
(58°F)		 18°C
(64°F)		 17°C
(63°F)		 13°C
(56°F)		 8°C
(47°F)		 -0°C
(32°F)		 -3°C
(27°F)
Mean minimum -19°C
(-1°F)		 -17°C
(1°F)		 -12°C
(11°F)		 -3°C
(26°F)		 1°C
(34°F)		 8°C
(47°F)		 12°C
(54°F)		 11°C
(52°F)		 6°C
(43°F)		 -0°C
(31°F)		 -9°C
(16°F)		 -12°C
(11°F)
Minimum -28°C
(-17°F)		 -25°C
(-12°F)		 -20°C
(-4°F)		 -5°C
(23°F)		 -3°C
(27°F)		 5°C
(41°F)		 11°C
(52°F)		 11°C
(51°F)		 1°C
(34°F)		 -2°C
(28°F)		 -20°C
(-3°F)		 -16°C
(4°F)

Compare climate in Lock Haven with other places

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

Monthly average precipitation in Lock Haven, Pennsylvania, United States §

Lock Haven usually has the most precipitation in May, July and October, with an average of 14 rainy days and 130 mm (5.1 inches) of precipitation per month.The driest months in Lock Haven are January, March and November. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lock Haven, 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) 72 (2.8) 100 (3.9) 86 (3.4) 107 (4.2) 136 (5.3) 100 (3.9) 139 (5.5) 104 (4.1) 116 (4.6) 117 (4.6) 86 (3.4) 90 (3.6)
Average precipitation days (≥ 1 mm) 10 13 11 14 16 14 15 12 9 11 10 11

Monthly sunshine hours in Lock Haven, Pennsylvania, United States §

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

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lock Haven, 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 115 150 219 227 254 305 325 305 267 208 172 138
Mean daily daylight hours 9h 34m 10h 38m 11h 58m 13h 20m 14h 29m 15h 4m 14h 45m 13h 43m 12h 24m 11h 3m 9h 51m 9h 15m

Solar UV radiation in Lock Haven, Pennsylvania, United States §

Lock Haven 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 Lock Haven UV Index data.

Average daily maximum UV levels by month for Lock Haven, 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