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Monthly climate in Thomas, West Virginia, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Thomas features a oceanic climate (Cfb). Temperatures typically range between -2 °C (29 °F) and 21 °C (70 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1529 mm (60.2 inches) and receives 181 rainy days on the 1 mm (0.04 inches) threshold annually. Thomas enjoys an average of 2918 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 51 minutes per day.

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

The warmest months in Thomas are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 70 °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, Thomas experiences 45 days above 25 °C (77.0 °F) and 105 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Thomas, 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 18°C
(64°F)		 23°C
(73°F)		 24°C
(75°F)		 26°C
(80°F)		 27°C
(81°F)		 29°C
(85°F)		 31°C
(88°F)		 30°C
(86°F)		 29°C
(84°F)		 28°C
(83°F)		 22°C
(73°F)		 18°C
(65°F)
Mean maximum 14°C
(58°F)		 18°C
(64°F)		 22°C
(71°F)		 25°C
(78°F)		 27°C
(80°F)		 28°C
(83°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(79°F)		 20°C
(69°F)		 16°C
(61°F)
Average high 2°C
(36°F)		 6°C
(43°F)		 9°C
(48°F)		 14°C
(58°F)		 19°C
(67°F)		 23°C
(73°F)		 26°C
(78°F)		 24°C
(76°F)		 22°C
(72°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
(70°F)		 20°C
(68°F)		 17°C
(63°F)		 12°C
(54°F)		 4°C
(39°F)		 1°C
(34°F)
Average low -6°C
(22°F)		 -3°C
(26°F)		 -1°C
(31°F)		 4°C
(40°F)		 10°C
(51°F)		 14°C
(58°F)		 17°C
(62°F)		 16°C
(61°F)		 13°C
(56°F)		 7°C
(46°F)		 -1°C
(31°F)		 -3°C
(27°F)
Mean minimum -20°C
(-4°F)		 -17°C
(2°F)		 -13°C
(9°F)		 -5°C
(24°F)		 -0°C
(32°F)		 7°C
(45°F)		 11°C
(53°F)		 10°C
(51°F)		 5°C
(42°F)		 -1°C
(30°F)		 -8°C
(17°F)		 -13°C
(8°F)
Minimum -27°C
(-16°F)		 -23°C
(-10°F)		 -16°C
(4°F)		 -8°C
(18°F)		 -5°C
(24°F)		 4°C
(39°F)		 11°C
(52°F)		 9°C
(48°F)		 1°C
(34°F)		 -4°C
(25°F)		 -12°C
(10°F)		 -20°C
(-3°F)

Compare climate in Thomas with other places

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

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

Thomas usually has the most precipitation in February, April and May, with an average of 17 rainy days and 158 mm (6.2 inches) of precipitation per month. The driest months in Thomas are January, July and November. On average, 98 mm (3.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Thomas, 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) 97 (3.8) 151 (6.0) 125 (4.9) 153 (6.0) 169 (6.6) 142 (5.6) 109 (4.3) 127 (5.0) 120 (4.7) 120 (4.7) 89 (3.5) 128 (5.1)
Average precipitation days (≥ 1 mm) 14 17 15 17 19 16 15 17 12 12 11 16

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

The sunniest months in Thomas are June, July and August, when the sun shines an average of 10 hours 35 minutes a day. Least sunny months in Thomas: January, February and December receive an average of 4 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Thomas, 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 122 153 243 240 285 314 347 312 286 244 203 163
Mean daily daylight hours 9h 45m 10h 43m 11h 58m 13h 15m 14h 19m 14h 51m 14h 34m 13h 36m 12h 23m 11h 7m 10h 0m 9h 27m

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

Thomas experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme 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 Thomas UV Index data.

Average daily maximum UV levels by month for Thomas, 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 11 11 10 9 7 5 3

Detailed Monthly Weather Insights for Thomas, West Virginia, United States

Discover in-depth weather details for every month in Thomas. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Thomas's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.