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Monthly climate in Delmont, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Delmont features a humid subtropical climate (Cfa).Temperatures typically range between -1 °C (31 °F) and 23 °C (75 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1446 mm (56.9 inches) and receives 165 rainy days on the 1 mm (0.04 inches) threshold annually.Delmont enjoys an average of 2752 hours of sunshine throughout the year, and daylight varies from 9 hours 19 minutes to 14 hours 59 minutes per day.

Monthly average temperatures in Delmont, Pennsylvania, United States §

The warmest months in Delmont are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (31 - 36 °F) throughout the day. On average each year, Delmont experiences 84 days above 25 °C (77.0 °F) and 88 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Delmont, 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)		 24°C
(76°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(88°F)		 33°C
(91°F)		 36°C
(97°F)		 35°C
(95°F)		 33°C
(92°F)		 31°C
(88°F)		 25°C
(78°F)		 18°C
(65°F)
Mean maximum 16°C
(61°F)		 19°C
(67°F)		 22°C
(72°F)		 27°C
(80°F)		 30°C
(87°F)		 32°C
(89°F)		 32°C
(91°F)		 33°C
(91°F)		 31°C
(89°F)		 28°C
(83°F)		 21°C
(70°F)		 16°C
(61°F)
Average high 3°C
(38°F)		 6°C
(43°F)		 10°C
(50°F)		 16°C
(61°F)		 22°C
(71°F)		 26°C
(78°F)		 28°C
(83°F)		 28°C
(82°F)		 25°C
(77°F)		 19°C
(66°F)		 10°C
(50°F)		 6°C
(43°F)
Daily mean -1°C
(31°F)		 2°C
(35°F)		 5°C
(41°F)		 11°C
(51°F)		 17°C
(62°F)		 21°C
(70°F)		 23°C
(75°F)		 23°C
(73°F)		 19°C
(67°F)		 14°C
(57°F)		 5°C
(42°F)		 2°C
(36°F)
Average low -5°C
(24°F)		 -3°C
(27°F)		 0°C
(33°F)		 6°C
(43°F)		 12°C
(53°F)		 16°C
(61°F)		 19°C
(66°F)		 18°C
(65°F)		 15°C
(59°F)		 9°C
(49°F)		 1°C
(34°F)		 -1°C
(30°F)
Mean minimum -17°C
(2°F)		 -15°C
(5°F)		 -10°C
(14°F)		 -3°C
(27°F)		 1°C
(35°F)		 9°C
(48°F)		 13°C
(56°F)		 12°C
(54°F)		 8°C
(46°F)		 1°C
(33°F)		 -6°C
(21°F)		 -10°C
(14°F)
Minimum -24°C
(-11°F)		 -21°C
(-6°F)		 -15°C
(6°F)		 -5°C
(24°F)		 -2°C
(29°F)		 5°C
(41°F)		 11°C
(53°F)		 10°C
(51°F)		 4°C
(40°F)		 -1°C
(30°F)		 -10°C
(15°F)		 -15°C
(6°F)

Compare climate in Delmont with other places

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

Monthly average precipitation in Delmont, Pennsylvania, United States §

Delmont usually has the most precipitation in May, June and July, with an average of 15 rainy days and 150 mm (5.9 inches) of precipitation per month.The driest months in Delmont are January, August and November. On average, 93 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Delmont, 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) 94 (3.7) 128 (5.0) 111 (4.4) 129 (5.1) 159 (6.3) 147 (5.8) 145 (5.7) 90 (3.6) 126 (4.9) 119 (4.7) 94 (3.7) 105 (4.1)
Average precipitation days (≥ 1 mm) 12 16 14 17 16 15 15 13 10 14 11 12

Monthly sunshine hours in Delmont, Pennsylvania, United States §

The sunniest months in Delmont are June, July and August, when the sun shines an average of 10 hours 23 minutes a day.Least sunny months in Delmont: January, February and December receive an average of 4 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Delmont, 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 106 137 225 239 269 303 335 317 278 224 174 142
Mean daily daylight hours 9h 38m 10h 40m 11h 58m 13h 18m 14h 26m 14h 59m 14h 41m 13h 41m 12h 24m 11h 4m 9h 55m 9h 19m

Solar UV radiation in Delmont, Pennsylvania, United States §

Delmont 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 Delmont UV Index data.

Average daily maximum UV levels by month for Delmont, 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 9 8 6 4 2