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Monthly climate in Princeton, West Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Princeton features a oceanic climate (Cfb).Temperatures typically range between 1 °C (34 °F) and 22 °C (72 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 1251 mm (49.3 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually.Princeton enjoys an average of 3004 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Princeton, West Virginia, United States §

The warmest months in Princeton are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 72 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 40 °F) throughout the day. On average each year, Princeton experiences 84 days above 25 °C (77.0 °F) and 82 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Princeton, West Virginia, 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
(69°F)		 24°C
(76°F)		 29°C
(84°F)		 29°C
(84°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(91°F)		 31°C
(88°F)		 31°C
(88°F)		 23°C
(74°F)		 19°C
(67°F)
Mean maximum 17°C
(63°F)		 20°C
(69°F)		 23°C
(75°F)		 27°C
(80°F)		 28°C
(83°F)		 29°C
(84°F)		 31°C
(88°F)		 30°C
(87°F)		 29°C
(84°F)		 28°C
(82°F)		 22°C
(72°F)		 17°C
(64°F)
Average high 6°C
(43°F)		 10°C
(49°F)		 12°C
(55°F)		 18°C
(64°F)		 22°C
(71°F)		 25°C
(77°F)		 28°C
(82°F)		 26°C
(80°F)		 24°C
(76°F)		 19°C
(67°F)		 12°C
(53°F)		 8°C
(47°F)
Daily mean 1°C
(34°F)		 4°C
(40°F)		 7°C
(45°F)		 11°C
(53°F)		 17°C
(62°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(70°F)		 19°C
(66°F)		 14°C
(57°F)		 6°C
(43°F)		 4°C
(39°F)
Average low -3°C
(27°F)		 -0°C
(32°F)		 2°C
(36°F)		 6°C
(43°F)		 12°C
(53°F)		 15°C
(60°F)		 18°C
(64°F)		 17°C
(63°F)		 14°C
(58°F)		 9°C
(48°F)		 1°C
(34°F)		 -1°C
(31°F)
Mean minimum -17°C
(2°F)		 -13°C
(9°F)		 -9°C
(16°F)		 -4°C
(26°F)		 2°C
(36°F)		 10°C
(49°F)		 12°C
(54°F)		 12°C
(54°F)		 7°C
(45°F)		 -1°C
(31°F)		 -7°C
(19°F)		 -11°C
(12°F)
Minimum -21°C
(-5°F)		 -19°C
(-1°F)		 -13°C
(9°F)		 -5°C
(23°F)		 -2°C
(29°F)		 7°C
(45°F)		 11°C
(52°F)		 11°C
(51°F)		 2°C
(37°F)		 -3°C
(26°F)		 -12°C
(11°F)		 -15°C
(6°F)

Compare climate in Princeton with other places

Compare temperature, precipitation, sunshine, UV index in Princeton, West Virginia, United States with other places around the world.

Monthly average precipitation in Princeton, West Virginia, United States §

Princeton usually has the most precipitation in February, April and May, with an average of 13 rainy days and 125 mm (4.9 inches) of precipitation per month.The driest months in Princeton are January, July and November. On average, 76 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Princeton, West Virginia, 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) 77 (3.0) 124 (4.9) 100 (3.9) 120 (4.7) 133 (5.2) 119 (4.7) 78 (3.1) 109 (4.3) 109 (4.3) 115 (4.5) 72 (2.8) 96 (3.8)
Average precipitation days (≥ 1 mm) 10 13 13 12 15 15 12 15 9 10 8 9

Monthly sunshine hours in Princeton, West Virginia, United States §

The sunniest months in Princeton are June, July and August, when the sun shines an average of 10 hours 40 minutes a day.Least sunny months in Princeton: January, February and December receive an average of 5 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Princeton, West Virginia, 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 139 168 237 252 295 310 353 317 281 255 219 171
Mean daily daylight hours 9h 54m 10h 49m 11h 59m 13h 10m 14h 11m 14h 40m 14h 24m 13h 31m 12h 22m 11h 10m 10h 8m 9h 37m

Solar UV radiation in Princeton, West Virginia, United States §

Princeton experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme 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 5. For more detailed information, check out our hourly Princeton UV Index data.

Average daily maximum UV levels by month for Princeton, West Virginia, 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) 4 6 8 10 11 11 11 10 10 7 5 3