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Monthly climate in Petersburg, West Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Petersburg features a oceanic climate (Cfb).Temperatures typically range between 0 °C (33 °F) and 24 °C (75 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1108 mm (43.6 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually.Petersburg enjoys an average of 2980 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 50 minutes per day.

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

The warmest months in Petersburg are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (69 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 3 °C (33 - 38 °F) throughout the day. On average each year, Petersburg experiences 90 days above 25 °C (77.0 °F) and 89 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Petersburg, 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)		 25°C
(78°F)		 24°C
(76°F)		 30°C
(86°F)		 31°C
(88°F)		 32°C
(90°F)		 34°C
(93°F)		 34°C
(93°F)		 32°C
(90°F)		 31°C
(89°F)		 23°C
(74°F)		 21°C
(71°F)
Mean maximum 16°C
(61°F)		 20°C
(68°F)		 23°C
(74°F)		 28°C
(83°F)		 30°C
(86°F)		 31°C
(88°F)		 33°C
(92°F)		 32°C
(90°F)		 31°C
(88°F)		 28°C
(83°F)		 22°C
(72°F)		 18°C
(64°F)
Average high 5°C
(40°F)		 8°C
(47°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(71°F)		 26°C
(79°F)		 29°C
(85°F)		 27°C
(82°F)		 25°C
(76°F)		 19°C
(67°F)		 11°C
(52°F)		 7°C
(45°F)
Daily mean 0°C
(33°F)		 3°C
(38°F)		 6°C
(43°F)		 11°C
(52°F)		 16°C
(62°F)		 21°C
(69°F)		 24°C
(75°F)		 22°C
(72°F)		 19°C
(67°F)		 14°C
(57°F)		 6°C
(42°F)		 3°C
(37°F)
Average low -4°C
(25°F)		 -2°C
(29°F)		 1°C
(34°F)		 6°C
(42°F)		 11°C
(53°F)		 15°C
(60°F)		 18°C
(65°F)		 17°C
(64°F)		 14°C
(58°F)		 9°C
(48°F)		 1°C
(34°F)		 -1°C
(30°F)
Mean minimum -17°C
(2°F)		 -14°C
(6°F)		 -10°C
(13°F)		 -3°C
(27°F)		 1°C
(34°F)		 9°C
(48°F)		 13°C
(57°F)		 12°C
(54°F)		 6°C
(44°F)		 -0°C
(32°F)		 -6°C
(21°F)		 -10°C
(14°F)
Minimum -26°C
(-15°F)		 -20°C
(-4°F)		 -15°C
(6°F)		 -5°C
(23°F)		 -2°C
(29°F)		 6°C
(43°F)		 12°C
(54°F)		 11°C
(52°F)		 1°C
(35°F)		 -3°C
(27°F)		 -9°C
(17°F)		 -15°C
(5°F)

Compare climate in Petersburg with other places

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

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

Petersburg usually has the most precipitation in May, September and October, with an average of 11 rainy days and 112 mm (4.4 inches) of precipitation per month.The driest months in Petersburg are January, March and November. On average, 68 mm (2.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Petersburg, 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) 62 (2.4) 94 (3.7) 77 (3.0) 103 (4.0) 124 (4.9) 100 (4.0) 89 (3.5) 95 (3.8) 108 (4.2) 106 (4.2) 64 (2.5) 87 (3.4)
Average precipitation days (≥ 1 mm) 8 12 11 13 14 12 10 13 9 10 7 9

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

The sunniest months in Petersburg are June, July and August, when the sun shines an average of 10 hours 41 minutes a day.Least sunny months in Petersburg: 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 Petersburg, 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 133 165 249 249 281 315 353 315 284 246 212 175
Mean daily daylight hours 9h 46m 10h 44m 11h 58m 13h 14m 14h 18m 14h 50m 14h 33m 13h 36m 12h 23m 11h 7m 10h 1m 9h 27m

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

Petersburg experiences the highest level of ultraviolet (UV) radiation in April, May and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure.January, February 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 Petersburg UV Index data.

Average daily maximum UV levels by month for Petersburg, 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) 3 5 7 10 10 10 10 10 8 7 5 3