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Monthly climate in Petersburg, Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Petersburg features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 27 °C (81 °F) through the year, but rarely can drop to -19 °C (-1 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 1253 mm (49.3 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually.Petersburg enjoys an average of 3123 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 Petersburg, Virginia, United States §

The warmest months in Petersburg are June, July and August, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (41 - 46 °F) throughout the day. On average each year, Petersburg experiences 132 days above 25 °C (77.0 °F) and 47 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, 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 23°C
(73°F)		 26°C
(79°F)		 30°C
(86°F)		 31°C
(89°F)		 36°C
(98°F)		 37°C
(99°F)		 38°C
(101°F)		 36°C
(98°F)		 36°C
(97°F)		 36°C
(98°F)		 28°C
(82°F)		 22°C
(72°F)
Mean maximum 21°C
(70°F)		 24°C
(75°F)		 27°C
(81°F)		 30°C
(86°F)		 34°C
(93°F)		 35°C
(95°F)		 36°C
(98°F)		 36°C
(97°F)		 34°C
(93°F)		 32°C
(89°F)		 26°C
(79°F)		 21°C
(70°F)
Average high 10°C
(50°F)		 13°C
(56°F)		 16°C
(61°F)		 21°C
(71°F)		 26°C
(79°F)		 29°C
(85°F)		 32°C
(91°F)		 31°C
(88°F)		 28°C
(83°F)		 23°C
(74°F)		 16°C
(60°F)		 12°C
(54°F)
Daily mean 5°C
(41°F)		 8°C
(46°F)		 10°C
(51°F)		 16°C
(60°F)		 20°C
(69°F)		 24°C
(76°F)		 27°C
(81°F)		 26°C
(79°F)		 23°C
(74°F)		 18°C
(64°F)		 10°C
(50°F)		 7°C
(45°F)
Average low 0°C
(33°F)		 2°C
(37°F)		 5°C
(41°F)		 10°C
(51°F)		 16°C
(60°F)		 20°C
(68°F)		 22°C
(73°F)		 22°C
(71°F)		 19°C
(66°F)		 13°C
(56°F)		 5°C
(41°F)		 2°C
(36°F)
Mean minimum -10°C
(14°F)		 -7°C
(20°F)		 -4°C
(25°F)		 1°C
(35°F)		 6°C
(42°F)		 14°C
(57°F)		 18°C
(64°F)		 16°C
(62°F)		 11°C
(53°F)		 4°C
(39°F)		 -3°C
(26°F)		 -5°C
(22°F)
Minimum -19°C
(-1°F)		 -9°C
(17°F)		 -5°C
(23°F)		 -1°C
(30°F)		 2°C
(36°F)		 10°C
(50°F)		 15°C
(59°F)		 15°C
(59°F)		 8°C
(47°F)		 1°C
(34°F)		 -6°C
(22°F)		 -9°C
(17°F)

Compare climate in Petersburg with other places

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

Monthly average precipitation in Petersburg, Virginia, United States §

Petersburg usually has the most precipitation in July, August and October, with an average of 11 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Petersburg are January, March and November. On average, 76 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Petersburg, 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) 75 (3.0) 99 (3.9) 77 (3.0) 106 (4.2) 107 (4.2) 114 (4.5) 116 (4.6) 160 (6.3) 102 (4.0) 127 (5.0) 76 (3.0) 94 (3.7)
Average precipitation days (≥ 1 mm) 8 10 9 11 11 12 11 15 10 9 7 9

Monthly sunshine hours in Petersburg, Virginia, United States §

The sunniest months in Petersburg are June, July and August, when the sun shines an average of 10 hours 45 minutes a day.Least sunny months in Petersburg: January, February and December receive an average of 5 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Petersburg, 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 162 181 255 276 298 322 349 317 276 259 227 196
Mean daily daylight hours 9h 54m 10h 49m 11h 59m 13h 10m 14h 10m 14h 40m 14h 23m 13h 30m 12h 22m 11h 11m 10h 9m 9h 37m

Solar UV radiation in Petersburg, Virginia, United States §

Petersburg 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 5. For more detailed information, check out our hourly Petersburg UV Index data.

Average daily maximum UV levels by month for Petersburg, 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 6 7 9 10 10 10 10 9 8 5 3