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Monthly climate in Martinsburg, Pennsylvania, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Martinsburg features a oceanic climate (Cfb).Temperatures typically range between -1 °C (30 °F) and 24 °C (75 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1202 mm (47.3 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Martinsburg enjoys an average of 2797 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in Martinsburg, Pennsylvania, United States §

The warmest months in Martinsburg are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (69 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (30 - 35 °F) throughout the day. On average each year, Martinsburg experiences 83 days above 25 °C (77.0 °F) and 95 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Martinsburg, Pennsylvania, 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
(65°F)		 25°C
(77°F)		 22°C
(72°F)		 29°C
(84°F)		 31°C
(87°F)		 34°C
(93°F)		 36°C
(97°F)		 34°C
(94°F)		 33°C
(91°F)		 31°C
(89°F)		 23°C
(74°F)		 20°C
(68°F)
Mean maximum 14°C
(57°F)		 18°C
(65°F)		 20°C
(69°F)		 26°C
(79°F)		 30°C
(86°F)		 32°C
(90°F)		 33°C
(93°F)		 33°C
(92°F)		 31°C
(88°F)		 28°C
(82°F)		 21°C
(70°F)		 14°C
(58°F)
Average high 3°C
(37°F)		 5°C
(42°F)		 9°C
(49°F)		 15°C
(60°F)		 21°C
(70°F)		 26°C
(78°F)		 29°C
(85°F)		 28°C
(83°F)		 25°C
(76°F)		 18°C
(65°F)		 10°C
(49°F)		 5°C
(42°F)
Daily mean -1°C
(30°F)		 1°C
(34°F)		 4°C
(40°F)		 10°C
(51°F)		 16°C
(61°F)		 21°C
(69°F)		 24°C
(75°F)		 23°C
(73°F)		 19°C
(67°F)		 13°C
(56°F)		 5°C
(41°F)		 2°C
(35°F)
Average low -5°C
(24°F)		 -3°C
(26°F)		 -0°C
(32°F)		 5°C
(42°F)		 11°C
(52°F)		 15°C
(60°F)		 19°C
(66°F)		 18°C
(65°F)		 15°C
(58°F)		 9°C
(49°F)		 1°C
(34°F)		 -2°C
(29°F)
Mean minimum -17°C
(2°F)		 -16°C
(3°F)		 -11°C
(13°F)		 -3°C
(27°F)		 2°C
(35°F)		 8°C
(47°F)		 14°C
(58°F)		 12°C
(55°F)		 7°C
(46°F)		 1°C
(34°F)		 -7°C
(20°F)		 -10°C
(14°F)
Minimum -25°C
(-12°F)		 -25°C
(-13°F)		 -17°C
(2°F)		 -5°C
(24°F)		 -2°C
(29°F)		 5°C
(41°F)		 13°C
(56°F)		 11°C
(52°F)		 3°C
(38°F)		 -1°C
(31°F)		 -11°C
(12°F)		 -14°C
(6°F)

Compare climate in Martinsburg with other places

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

Monthly average precipitation in Martinsburg, Pennsylvania, United States §

Martinsburg usually has the most precipitation in May, June and September, with an average of 12 rainy days and 121 mm (4.8 inches) of precipitation per month.The driest months in Martinsburg are January, March and November. On average, 75 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Martinsburg, Pennsylvania, 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) 62 (2.4) 102 (4.0) 90 (3.5) 104 (4.1) 122 (4.8) 113 (4.4) 111 (4.4) 98 (3.8) 128 (5.0) 110 (4.3) 73 (2.9) 90 (3.5)
Average precipitation days (≥ 1 mm) 9 12 12 14 15 13 12 14 10 12 9 10

Monthly sunshine hours in Martinsburg, Pennsylvania, United States §

The sunniest months in Martinsburg are June, July and August, when the sun shines an average of 10 hours 22 minutes a day.Least sunny months in Martinsburg: January, February and December receive an average of 4 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Martinsburg, Pennsylvania, 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 117 151 231 238 259 306 338 310 272 226 190 156
Mean daily daylight hours 9h 39m 10h 40m 11h 58m 13h 18m 14h 25m 14h 58m 14h 40m 13h 40m 12h 24m 11h 5m 9h 55m 9h 20m

Solar UV radiation in Martinsburg, Pennsylvania, United States §

Martinsburg 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, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Martinsburg UV Index data.

Average daily maximum UV levels by month for Martinsburg, Pennsylvania, 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 4 3