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Monthly climate in Geistown, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Geistown features a oceanic climate (Cfb).Temperatures typically range between -2 °C (29 °F) and 23 °C (73 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1324 mm (52.1 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually.Geistown enjoys an average of 2749 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 59 minutes per day.

Monthly average temperatures in Geistown, Pennsylvania, United States §

The warmest months in Geistown are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (68 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 34 °F) throughout the day. On average each year, Geistown experiences 67 days above 25 °C (77.0 °F) and 104 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Geistown, 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 18°C
(65°F)		 23°C
(74°F)		 20°C
(69°F)		 27°C
(81°F)		 29°C
(85°F)		 32°C
(90°F)		 34°C
(94°F)		 33°C
(92°F)		 31°C
(88°F)		 30°C
(86°F)		 24°C
(75°F)		 18°C
(66°F)
Mean maximum 14°C
(57°F)		 17°C
(64°F)		 19°C
(67°F)		 25°C
(77°F)		 29°C
(84°F)		 30°C
(87°F)		 32°C
(89°F)		 31°C
(89°F)		 30°C
(86°F)		 27°C
(81°F)		 20°C
(69°F)		 14°C
(58°F)
Average high 2°C
(36°F)		 5°C
(41°F)		 8°C
(47°F)		 14°C
(58°F)		 20°C
(68°F)		 24°C
(76°F)		 28°C
(82°F)		 27°C
(80°F)		 23°C
(74°F)		 17°C
(63°F)		 9°C
(48°F)		 5°C
(40°F)
Daily mean -2°C
(29°F)		 0°C
(33°F)		 4°C
(39°F)		 9°C
(49°F)		 15°C
(60°F)		 20°C
(68°F)		 23°C
(73°F)		 22°C
(71°F)		 18°C
(65°F)		 13°C
(55°F)		 4°C
(40°F)		 1°C
(34°F)
Average low -6°C
(22°F)		 -4°C
(25°F)		 -1°C
(30°F)		 4°C
(40°F)		 11°C
(51°F)		 15°C
(59°F)		 18°C
(64°F)		 17°C
(63°F)		 14°C
(57°F)		 8°C
(47°F)		 -0°C
(32°F)		 -3°C
(27°F)
Mean minimum -19°C
(-2°F)		 -17°C
(2°F)		 -12°C
(10°F)		 -4°C
(25°F)		 0°C
(33°F)		 7°C
(45°F)		 12°C
(54°F)		 11°C
(52°F)		 6°C
(42°F)		 -1°C
(31°F)		 -8°C
(18°F)		 -12°C
(12°F)
Minimum -26°C
(-15°F)		 -25°C
(-13°F)		 -16°C
(4°F)		 -6°C
(21°F)		 -3°C
(27°F)		 3°C
(38°F)		 11°C
(52°F)		 9°C
(49°F)		 1°C
(34°F)		 -3°C
(27°F)		 -11°C
(12°F)		 -16°C
(3°F)

Compare climate in Geistown with other places

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

Monthly average precipitation in Geistown, Pennsylvania, United States §

Geistown usually has the most precipitation in May, June and September, with an average of 14 rainy days and 131 mm (5.2 inches) of precipitation per month.The driest months in Geistown are January, August and November. On average, 85 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Geistown, 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) 80 (3.1) 118 (4.6) 103 (4.1) 121 (4.8) 141 (5.6) 127 (5.0) 116 (4.6) 97 (3.8) 127 (5.0) 111 (4.4) 80 (3.2) 104 (4.1)
Average precipitation days (≥ 1 mm) 13 15 14 16 18 14 14 15 11 13 11 12

Monthly sunshine hours in Geistown, Pennsylvania, United States §

The sunniest months in Geistown are June, July and August, when the sun shines an average of 10 hours 18 minutes a day.Least sunny months in Geistown: January, February and December receive an average of 4 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Geistown, 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 111 143 225 237 260 303 335 309 272 223 179 148
Mean daily daylight hours 9h 39m 10h 40m 11h 58m 13h 18m 14h 25m 14h 59m 14h 40m 13h 40m 12h 24m 11h 4m 9h 55m 9h 20m

Solar UV radiation in Geistown, Pennsylvania, United States §

Geistown 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, November and December are in the 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 Geistown UV Index data.

Average daily maximum UV levels by month for Geistown, 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 6 4 3