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Monthly climate in Gassaway, West Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Gassaway features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (35 °F) and 24 °C (75 °F) through the year, but rarely can drop to -20 °C (-4 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1516 mm (59.7 inches) and receives 166 rainy days on the 1 mm (0.04 inches) threshold annually.Gassaway enjoys an average of 2828 hours of sunshine throughout the year, and daylight varies from 9 hours 29 minutes to 14 hours 48 minutes per day.

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

The warmest months in Gassaway are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (71 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 5 °C (35 - 41 °F) throughout the day. On average each year, Gassaway experiences 100 days above 25 °C (77.0 °F) and 70 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gassaway, 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 22°C
(72°F)		 27°C
(80°F)		 28°C
(83°F)		 30°C
(85°F)		 31°C
(88°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(92°F)		 25°C
(78°F)		 21°C
(70°F)
Mean maximum 18°C
(65°F)		 22°C
(72°F)		 25°C
(78°F)		 29°C
(84°F)		 30°C
(86°F)		 32°C
(89°F)		 32°C
(90°F)		 32°C
(89°F)		 31°C
(89°F)		 29°C
(85°F)		 24°C
(75°F)		 19°C
(67°F)
Average high 6°C
(43°F)		 9°C
(49°F)		 13°C
(56°F)		 18°C
(65°F)		 23°C
(74°F)		 26°C
(79°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(79°F)		 20°C
(69°F)		 12°C
(55°F)		 9°C
(48°F)
Daily mean 2°C
(35°F)		 5°C
(41°F)		 8°C
(46°F)		 13°C
(55°F)		 18°C
(65°F)		 21°C
(71°F)		 24°C
(75°F)		 23°C
(73°F)		 20°C
(69°F)		 15°C
(59°F)		 7°C
(45°F)		 4°C
(40°F)
Average low -2°C
(29°F)		 0°C
(33°F)		 3°C
(37°F)		 7°C
(46°F)		 13°C
(56°F)		 17°C
(63°F)		 19°C
(67°F)		 19°C
(66°F)		 16°C
(61°F)		 10°C
(51°F)		 2°C
(37°F)		 0°C
(33°F)
Mean minimum -15°C
(6°F)		 -12°C
(10°F)		 -8°C
(18°F)		 -3°C
(28°F)		 3°C
(38°F)		 10°C
(51°F)		 14°C
(58°F)		 13°C
(56°F)		 8°C
(48°F)		 2°C
(36°F)		 -6°C
(22°F)		 -9°C
(16°F)
Minimum -20°C
(-4°F)		 -17°C
(1°F)		 -13°C
(9°F)		 -5°C
(24°F)		 -0°C
(32°F)		 7°C
(45°F)		 13°C
(55°F)		 12°C
(54°F)		 4°C
(40°F)		 -1°C
(30°F)		 -10°C
(15°F)		 -14°C
(7°F)

Compare climate in Gassaway with other places

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

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

Gassaway usually has the most precipitation in February, May and June, with an average of 16 rainy days and 157 mm (6.2 inches) of precipitation per month.The driest months in Gassaway are January, September and November. On average, 96 mm (3.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gassaway, 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) 103 (4.1) 158 (6.2) 120 (4.7) 145 (5.7) 160 (6.3) 155 (6.1) 121 (4.8) 121 (4.8) 103 (4.1) 120 (4.7) 83 (3.3) 128 (5.0)
Average precipitation days (≥ 1 mm) 14 17 14 15 17 16 14 14 9 11 10 15

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

The sunniest months in Gassaway are June, July and August, when the sun shines an average of 10 hours 21 minutes a day.Least sunny months in Gassaway: January, February and December receive an average of 4 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gassaway, 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 110 137 233 233 287 306 339 305 284 244 195 149
Mean daily daylight hours 9h 47m 10h 45m 11h 58m 13h 14m 14h 17m 14h 48m 14h 31m 13h 35m 12h 23m 11h 8m 10h 2m 9h 29m

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

Gassaway 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 Gassaway UV Index data.

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