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Monthly climate in Terra Alta, West Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Terra Alta features a oceanic climate (Cfb).Temperatures typically range between -2 °C (29 °F) and 21 °C (71 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 1545 mm (60.8 inches) and receives 182 rainy days on the 1 mm (0.04 inches) threshold annually.Terra Alta enjoys an average of 2826 hours of sunshine throughout the year, and daylight varies from 9 hours 25 minutes to 14 hours 53 minutes per day.

Monthly average temperatures in Terra Alta, West Virginia, United States §

The warmest months in Terra Alta are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (29 - 34 °F) throughout the day. On average each year, Terra Alta experiences 52 days above 25 °C (77.0 °F) and 104 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Terra Alta, 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 19°C
(66°F)		 23°C
(74°F)		 24°C
(76°F)		 27°C
(81°F)		 28°C
(82°F)		 30°C
(86°F)		 31°C
(88°F)		 31°C
(88°F)		 29°C
(85°F)		 29°C
(84°F)		 23°C
(74°F)		 18°C
(64°F)
Mean maximum 15°C
(59°F)		 18°C
(65°F)		 22°C
(71°F)		 25°C
(78°F)		 27°C
(81°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(79°F)		 21°C
(70°F)		 16°C
(61°F)
Average high 2°C
(36°F)		 6°C
(43°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(68°F)		 23°C
(74°F)		 26°C
(79°F)		 25°C
(77°F)		 22°C
(73°F)		 17°C
(63°F)		 9°C
(48°F)		 5°C
(41°F)
Daily mean -2°C
(29°F)		 1°C
(34°F)		 4°C
(39°F)		 9°C
(49°F)		 15°C
(59°F)		 19°C
(66°F)		 21°C
(71°F)		 20°C
(69°F)		 18°C
(64°F)		 12°C
(54°F)		 4°C
(40°F)		 1°C
(34°F)
Average low -6°C
(22°F)		 -3°C
(26°F)		 -1°C
(31°F)		 4°C
(40°F)		 11°C
(51°F)		 15°C
(59°F)		 17°C
(63°F)		 16°C
(62°F)		 13°C
(56°F)		 8°C
(47°F)		 -0°C
(32°F)		 -3°C
(27°F)
Mean minimum -20°C
(-3°F)		 -17°C
(1°F)		 -12°C
(11°F)		 -5°C
(23°F)		 0°C
(33°F)		 8°C
(46°F)		 12°C
(53°F)		 11°C
(52°F)		 6°C
(43°F)		 -0°C
(31°F)		 -8°C
(18°F)		 -14°C
(7°F)
Minimum -27°C
(-17°F)		 -24°C
(-10°F)		 -16°C
(4°F)		 -8°C
(18°F)		 -4°C
(25°F)		 4°C
(40°F)		 10°C
(51°F)		 9°C
(48°F)		 2°C
(37°F)		 -3°C
(26°F)		 -12°C
(11°F)		 -23°C
(-10°F)

Compare climate in Terra Alta with other places

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

Monthly average precipitation in Terra Alta, West Virginia, United States §

Terra Alta usually has the most precipitation in February, April and May, with an average of 17 rainy days and 160 mm (6.3 inches) of precipitation per month.The driest months in Terra Alta are January, August and November. On average, 101 mm (4.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Terra Alta, 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) 98 (3.8) 153 (6.0) 124 (4.9) 156 (6.1) 171 (6.7) 152 (6.0) 116 (4.6) 114 (4.5) 120 (4.7) 118 (4.7) 92 (3.6) 131 (5.2)
Average precipitation days (≥ 1 mm) 14 16 15 18 19 17 15 16 11 13 12 16

Monthly sunshine hours in Terra Alta, West Virginia, United States §

The sunniest months in Terra Alta are June, July and August, when the sun shines an average of 10 hours 27 minutes a day.Least sunny months in Terra Alta: January, February and December receive an average of 4 hours 28 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Terra Alta, 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 113 141 233 238 276 307 342 312 282 234 191 152
Mean daily daylight hours 9h 43m 10h 43m 11h 58m 13h 16m 14h 21m 14h 53m 14h 35m 13h 38m 12h 23m 11h 6m 9h 59m 9h 25m

Solar UV radiation in Terra Alta, West Virginia, United States §

Terra Alta 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 Terra Alta UV Index data.

Average daily maximum UV levels by month for Terra Alta, 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