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Monthly climate in New Martinsville, West Virginia, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification New Martinsville features a humid subtropical climate (Cfa).Temperatures typically range between 0 °C (33 °F) and 24 °C (75 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1463 mm (57.6 inches) and receives 157 rainy days on the 1 mm (0.04 inches) threshold annually.New Martinsville enjoys an average of 2808 hours of sunshine throughout the year, and daylight varies from 9 hours 24 minutes to 14 hours 54 minutes per day.

Monthly average temperatures in New Martinsville, West Virginia, United States §

The warmest months in New Martinsville 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 0 to 3 °C (33 - 38 °F) throughout the day. On average each year, New Martinsville experiences 97 days above 25 °C (77.0 °F) and 82 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in New Martinsville, 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)		 26°C
(79°F)		 26°C
(79°F)		 29°C
(84°F)		 31°C
(88°F)		 32°C
(91°F)		 34°C
(94°F)		 33°C
(92°F)		 34°C
(94°F)		 34°C
(93°F)		 26°C
(79°F)		 18°C
(65°F)
Mean maximum 16°C
(62°F)		 21°C
(69°F)		 24°C
(75°F)		 27°C
(81°F)		 30°C
(86°F)		 32°C
(89°F)		 33°C
(91°F)		 32°C
(90°F)		 32°C
(89°F)		 29°C
(85°F)		 23°C
(73°F)		 17°C
(63°F)
Average high 4°C
(40°F)		 7°C
(45°F)		 11°C
(53°F)		 17°C
(63°F)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(78°F)		 20°C
(68°F)		 11°C
(52°F)		 7°C
(45°F)
Daily mean 0°C
(33°F)		 3°C
(37°F)		 6°C
(44°F)		 12°C
(53°F)		 17°C
(64°F)		 21°C
(71°F)		 24°C
(75°F)		 23°C
(73°F)		 20°C
(69°F)		 14°C
(58°F)		 6°C
(43°F)		 3°C
(38°F)
Average low -3°C
(26°F)		 -2°C
(29°F)		 1°C
(35°F)		 7°C
(44°F)		 13°C
(55°F)		 17°C
(62°F)		 19°C
(67°F)		 18°C
(66°F)		 16°C
(60°F)		 10°C
(50°F)		 2°C
(36°F)		 -1°C
(31°F)
Mean minimum -16°C
(4°F)		 -14°C
(7°F)		 -9°C
(16°F)		 -3°C
(27°F)		 3°C
(37°F)		 10°C
(51°F)		 14°C
(58°F)		 13°C
(56°F)		 9°C
(48°F)		 2°C
(36°F)		 -5°C
(22°F)		 -10°C
(14°F)
Minimum -21°C
(-5°F)		 -19°C
(-2°F)		 -14°C
(6°F)		 -5°C
(24°F)		 -2°C
(29°F)		 6°C
(44°F)		 13°C
(56°F)		 12°C
(54°F)		 5°C
(42°F)		 -1°C
(30°F)		 -9°C
(17°F)		 -15°C
(5°F)

Compare climate in New Martinsville with other places

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

Monthly average precipitation in New Martinsville, West Virginia, United States §

New Martinsville usually has the most precipitation in April, May and June, with an average of 15 rainy days and 153 mm (6.0 inches) of precipitation per month.The driest months in New Martinsville are January, August and November. On average, 94 mm (3.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in New Martinsville, 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) 93 (3.7) 125 (4.9) 120 (4.7) 145 (5.7) 140 (5.5) 175 (6.9) 135 (5.3) 99 (3.9) 107 (4.2) 115 (4.5) 88 (3.5) 121 (4.8)
Average precipitation days (≥ 1 mm) 10 14 13 14 17 16 14 14 10 13 10 12

Monthly sunshine hours in New Martinsville, West Virginia, United States §

The sunniest months in New Martinsville are June, July and August, when the sun shines an average of 10 hours 29 minutes a day.Least sunny months in New Martinsville: January, February and December receive an average of 4 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in New Martinsville, 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 108 136 232 238 281 306 343 315 280 233 187 143
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 16m 14h 22m 14h 54m 14h 36m 13h 38m 12h 23m 11h 6m 9h 58m 9h 24m

Solar UV radiation in New Martinsville, West Virginia, United States §

New Martinsville experiences the highest level of ultraviolet (UV) radiation in May, June and July, 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 New Martinsville UV Index data.

Average daily maximum UV levels by month for New Martinsville, 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 9 8 6 5 3