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Monthly climate in Gwynn, Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gwynn features a humid subtropical climate (Cfa).Temperatures typically range between 5 °C (41 °F) and 27 °C (80 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1333 mm (52.5 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually.Gwynn enjoys an average of 3213 hours of sunshine throughout the year, and daylight varies from 9 hours 36 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Gwynn, Virginia, United States §

The warmest months in Gwynn are July, August and September, with daily mean temperatures ranging from 24 to 27 °C (75 - 80 °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, Gwynn experiences 82 days above 25 °C (77.0 °F) and 12 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gwynn, 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 17°C
(63°F)		 16°C
(62°F)		 20°C
(68°F)		 23°C
(75°F)		 29°C
(85°F)		 30°C
(86°F)		 34°C
(93°F)		 32°C
(90°F)		 30°C
(86°F)		 28°C
(82°F)		 23°C
(73°F)		 18°C
(65°F)
Mean maximum 14°C
(57°F)		 14°C
(58°F)		 18°C
(64°F)		 21°C
(71°F)		 26°C
(80°F)		 29°C
(84°F)		 31°C
(89°F)		 30°C
(87°F)		 29°C
(84°F)		 26°C
(79°F)		 21°C
(70°F)		 16°C
(61°F)
Average high 7°C
(44°F)		 8°C
(47°F)		 11°C
(51°F)		 16°C
(60°F)		 21°C
(69°F)		 25°C
(78°F)		 28°C
(83°F)		 27°C
(82°F)		 25°C
(77°F)		 21°C
(70°F)		 14°C
(57°F)		 10°C
(49°F)
Daily mean 5°C
(41°F)		 6°C
(43°F)		 8°C
(47°F)		 13°C
(56°F)		 19°C
(66°F)		 24°C
(75°F)		 27°C
(80°F)		 26°C
(79°F)		 24°C
(75°F)		 19°C
(67°F)		 12°C
(53°F)		 8°C
(46°F)
Average low 3°C
(37°F)		 4°C
(39°F)		 6°C
(44°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 25°C
(78°F)		 25°C
(77°F)		 22°C
(73°F)		 18°C
(64°F)		 10°C
(50°F)		 6°C
(43°F)
Mean minimum -5°C
(23°F)		 -3°C
(28°F)		 -1°C
(31°F)		 5°C
(41°F)		 10°C
(51°F)		 18°C
(64°F)		 22°C
(71°F)		 21°C
(71°F)		 18°C
(65°F)		 12°C
(53°F)		 2°C
(37°F)		 -1°C
(31°F)
Minimum -9°C
(16°F)		 -6°C
(22°F)		 -3°C
(28°F)		 2°C
(36°F)		 6°C
(43°F)		 14°C
(57°F)		 21°C
(70°F)		 20°C
(68°F)		 16°C
(61°F)		 9°C
(49°F)		 0°C
(33°F)		 -5°C
(24°F)

Compare climate in Gwynn with other places

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

Monthly average precipitation in Gwynn, Virginia, United States §

Gwynn usually has the most precipitation in February, August and September, with an average of 12 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Gwynn are May, June and November. On average, 89 mm (3.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gwynn, 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) 102 (4.0) 140 (5.5) 105 (4.1) 99 (3.9) 92 (3.6) 84 (3.3) 120 (4.7) 133 (5.2) 128 (5.1) 121 (4.8) 93 (3.6) 117 (4.6)
Average precipitation days (≥ 1 mm) 9 13 9 11 9 8 10 13 10 10 8 11

Monthly sunshine hours in Gwynn, Virginia, United States §

The sunniest months in Gwynn are June, July and August, when the sun shines an average of 11 hours 6 minutes a day.Least sunny months in Gwynn: 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 Gwynn, 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 162 183 264 290 315 334 357 330 291 262 225 194
Mean daily daylight hours 9h 53m 10h 48m 11h 59m 13h 11m 14h 12m 14h 42m 14h 25m 13h 31m 12h 22m 11h 10m 10h 7m 9h 36m

Solar UV radiation in Gwynn, Virginia, United States §

Gwynn 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, 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 Gwynn UV Index data.

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