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Monthly climate in Foster Brook, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Foster Brook features a humid continental climate (Dfb).Temperatures typically range between -4 °C (25 °F) and 21 °C (70 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1248 mm (49.1 inches) and receives 171 rainy days on the 1 mm (0.04 inches) threshold annually.Foster Brook enjoys an average of 2561 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.

Monthly average temperatures in Foster Brook, Pennsylvania, United States §

The warmest months in Foster Brook are June, July and August, with daily mean temperatures ranging from 18 to 21 °C (65 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -1 °C (25 - 31 °F) throughout the day. On average each year, Foster Brook experiences 48 days above 25 °C (77.0 °F) and 121 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Foster Brook, 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
(62°F)		 20°C
(69°F)		 22°C
(72°F)		 26°C
(80°F)		 30°C
(86°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(89°F)		 31°C
(88°F)		 27°C
(82°F)		 23°C
(74°F)		 15°C
(59°F)
Mean maximum 12°C
(53°F)		 14°C
(58°F)		 18°C
(65°F)		 23°C
(74°F)		 29°C
(85°F)		 30°C
(86°F)		 31°C
(87°F)		 29°C
(85°F)		 29°C
(84°F)		 25°C
(78°F)		 18°C
(65°F)		 12°C
(53°F)
Average high -0°C
(32°F)		 2°C
(36°F)		 6°C
(43°F)		 12°C
(54°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(78°F)		 25°C
(77°F)		 22°C
(71°F)		 15°C
(60°F)		 7°C
(44°F)		 2°C
(36°F)
Daily mean -4°C
(25°F)		 -3°C
(28°F)		 1°C
(34°F)		 7°C
(45°F)		 14°C
(57°F)		 18°C
(65°F)		 21°C
(70°F)		 20°C
(68°F)		 17°C
(62°F)		 11°C
(52°F)		 3°C
(37°F)		 -1°C
(31°F)
Average low -8°C
(18°F)		 -7°C
(20°F)		 -3°C
(26°F)		 3°C
(37°F)		 9°C
(48°F)		 13°C
(56°F)		 17°C
(62°F)		 16°C
(60°F)		 12°C
(54°F)		 7°C
(45°F)		 -1°C
(31°F)		 -4°C
(25°F)
Mean minimum -21°C
(-6°F)		 -20°C
(-3°F)		 -15°C
(5°F)		 -4°C
(24°F)		 0°C
(33°F)		 7°C
(45°F)		 11°C
(52°F)		 9°C
(49°F)		 4°C
(40°F)		 -1°C
(31°F)		 -11°C
(13°F)		 -16°C
(4°F)
Minimum -27°C
(-16°F)		 -24°C
(-10°F)		 -21°C
(-6°F)		 -6°C
(21°F)		 -4°C
(25°F)		 4°C
(39°F)		 10°C
(50°F)		 8°C
(47°F)		 0°C
(33°F)		 -2°C
(28°F)		 -18°C
(1°F)		 -25°C
(-13°F)

Compare climate in Foster Brook with other places

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

Monthly average precipitation in Foster Brook, Pennsylvania, United States §

Foster Brook usually has the most precipitation in April, May and October, with an average of 15 rainy days and 123 mm (4.9 inches) of precipitation per month.The driest months in Foster Brook are January, March and August. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Foster Brook, 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) 86 (3.4) 101 (4.0) 91 (3.6) 117 (4.6) 130 (5.1) 117 (4.6) 116 (4.6) 90 (3.6) 93 (3.7) 123 (4.8) 94 (3.7) 92 (3.6)
Average precipitation days (≥ 1 mm) 13 16 14 16 15 14 15 13 10 15 15 15

Monthly sunshine hours in Foster Brook, Pennsylvania, United States §

The sunniest months in Foster Brook are June, July and August, when the sun shines an average of 10 hours 13 minutes a day.Least sunny months in Foster Brook: January, February and December receive an average of 3 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Foster Brook, 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 93 136 205 220 257 309 320 310 265 193 144 104
Mean daily daylight hours 9h 29m 10h 35m 11h 58m 13h 23m 14h 35m 15h 11m 14h 51m 13h 47m 12h 25m 11h 0m 9h 46m 9h 8m

Solar UV radiation in Foster Brook, Pennsylvania, United States §

Foster Brook 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 Foster Brook UV Index data.

Average daily maximum UV levels by month for Foster Brook, 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