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Monthly climate in Heidlersburg, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Heidlersburg features a humid subtropical climate (Cfa).Temperatures typically range between 1 °C (33 °F) and 25 °C (78 °F) through the year, but rarely can drop to -18 °C (1 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1237 mm (48.7 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Heidlersburg enjoys an average of 2880 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 Heidlersburg, Pennsylvania, United States §

The warmest months in Heidlersburg are June, July and August, with daily mean temperatures ranging from 22 to 25 °C (72 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (33 - 37 °F) throughout the day. On average each year, Heidlersburg experiences 98 days above 25 °C (77.0 °F) and 77 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heidlersburg, 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
(80°F)		 24°C
(76°F)		 29°C
(85°F)		 32°C
(91°F)		 34°C
(94°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(94°F)		 33°C
(92°F)		 24°C
(76°F)		 18°C
(64°F)
Mean maximum 15°C
(60°F)		 20°C
(68°F)		 23°C
(74°F)		 27°C
(82°F)		 32°C
(89°F)		 33°C
(92°F)		 35°C
(96°F)		 34°C
(93°F)		 32°C
(90°F)		 29°C
(84°F)		 22°C
(72°F)		 15°C
(60°F)
Average high 4°C
(40°F)		 7°C
(45°F)		 11°C
(52°F)		 17°C
(63°F)		 22°C
(72°F)		 27°C
(81°F)		 30°C
(87°F)		 29°C
(84°F)		 25°C
(78°F)		 20°C
(68°F)		 11°C
(52°F)		 7°C
(44°F)
Daily mean 1°C
(33°F)		 2°C
(37°F)		 6°C
(43°F)		 12°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 25°C
(78°F)		 24°C
(75°F)		 20°C
(69°F)		 15°C
(59°F)		 7°C
(44°F)		 3°C
(37°F)
Average low -3°C
(27°F)		 -2°C
(29°F)		 1°C
(34°F)		 7°C
(44°F)		 12°C
(55°F)		 17°C
(63°F)		 20°C
(69°F)		 20°C
(67°F)		 16°C
(61°F)		 10°C
(51°F)		 2°C
(36°F)		 -1°C
(31°F)
Mean minimum -12°C
(11°F)		 -12°C
(11°F)		 -8°C
(18°F)		 -1°C
(30°F)		 3°C
(38°F)		 11°C
(51°F)		 16°C
(60°F)		 14°C
(58°F)		 9°C
(48°F)		 2°C
(36°F)		 -5°C
(23°F)		 -9°C
(16°F)
Minimum -17°C
(2°F)		 -18°C
(1°F)		 -14°C
(6°F)		 -3°C
(27°F)		 -0°C
(32°F)		 8°C
(46°F)		 14°C
(57°F)		 13°C
(55°F)		 4°C
(40°F)		 1°C
(34°F)		 -7°C
(20°F)		 -13°C
(9°F)

Compare climate in Heidlersburg with other places

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

Monthly average precipitation in Heidlersburg, Pennsylvania, United States §

Heidlersburg usually has the most precipitation in May, July and September, with an average of 12 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Heidlersburg are January, November and December. On average, 79 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heidlersburg, 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) 62 (2.4) 100 (3.9) 94 (3.7) 105 (4.1) 128 (5.0) 96 (3.8) 140 (5.5) 109 (4.3) 124 (4.9) 105 (4.1) 85 (3.3) 90 (3.5)
Average precipitation days (≥ 1 mm) 8 11 11 12 15 11 13 15 9 10 8 9

Monthly sunshine hours in Heidlersburg, Pennsylvania, United States §

The sunniest months in Heidlersburg are June, July and August, when the sun shines an average of 10 hours 26 minutes a day.Least sunny months in Heidlersburg: January, February and December receive an average of 5 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heidlersburg, 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 131 167 241 240 258 312 341 307 267 226 212 174
Mean daily daylight hours 9h 41m 10h 41m 11h 58m 13h 17m 14h 23m 14h 56m 14h 38m 13h 39m 12h 24m 11h 5m 9h 57m 9h 22m

Solar UV radiation in Heidlersburg, Pennsylvania, United States §

Heidlersburg 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 Heidlersburg UV Index data.

Average daily maximum UV levels by month for Heidlersburg, 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