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Monthly climate in West Salem, Ohio, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification West Salem features a humid continental climate (Dfa).Temperatures typically range between -1 °C (30 °F) and 24 °C (75 °F) through the year, but rarely can drop to -23 °C (-9 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1223 mm (48.2 inches) and receives 155 rainy days on the 1 mm (0.04 inches) threshold annually.West Salem enjoys an average of 2869 hours of sunshine throughout the year, and daylight varies from 9 hours 15 minutes to 15 hours 4 minutes per day.

Monthly average temperatures in West Salem, Ohio, United States §

The warmest months in West Salem 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 -1 to 2 °C (30 - 35 °F) throughout the day. On average each year, West Salem experiences 85 days above 25 °C (77.0 °F) and 92 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in West Salem, Ohio, 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 21°C
(69°F)		 24°C
(75°F)		 24°C
(75°F)		 29°C
(84°F)		 33°C
(92°F)		 34°C
(93°F)		 34°C
(93°F)		 32°C
(91°F)		 33°C
(92°F)		 32°C
(89°F)		 25°C
(78°F)		 18°C
(65°F)
Mean maximum 15°C
(59°F)		 18°C
(64°F)		 22°C
(71°F)		 26°C
(79°F)		 31°C
(89°F)		 33°C
(91°F)		 33°C
(92°F)		 31°C
(89°F)		 31°C
(89°F)		 29°C
(84°F)		 20°C
(68°F)		 16°C
(62°F)
Average high 2°C
(37°F)		 5°C
(41°F)		 9°C
(49°F)		 15°C
(60°F)		 22°C
(71°F)		 26°C
(79°F)		 28°C
(83°F)		 27°C
(81°F)		 25°C
(77°F)		 18°C
(65°F)		 9°C
(49°F)		 5°C
(42°F)
Daily mean -1°C
(30°F)		 0°C
(33°F)		 4°C
(40°F)		 10°C
(50°F)		 17°C
(62°F)		 21°C
(71°F)		 24°C
(75°F)		 22°C
(72°F)		 20°C
(68°F)		 14°C
(57°F)		 5°C
(41°F)		 2°C
(35°F)
Average low -5°C
(23°F)		 -4°C
(25°F)		 -0°C
(32°F)		 5°C
(41°F)		 12°C
(53°F)		 17°C
(62°F)		 19°C
(67°F)		 18°C
(64°F)		 15°C
(59°F)		 9°C
(49°F)		 1°C
(35°F)		 -2°C
(29°F)
Mean minimum -18°C
(-0°F)		 -17°C
(2°F)		 -9°C
(15°F)		 -4°C
(25°F)		 2°C
(37°F)		 10°C
(50°F)		 13°C
(56°F)		 11°C
(53°F)		 7°C
(46°F)		 2°C
(35°F)		 -7°C
(20°F)		 -12°C
(11°F)
Minimum -23°C
(-9°F)		 -22°C
(-7°F)		 -14°C
(7°F)		 -7°C
(19°F)		 -1°C
(30°F)		 5°C
(41°F)		 12°C
(54°F)		 9°C
(48°F)		 4°C
(40°F)		 -1°C
(30°F)		 -10°C
(14°F)		 -18°C
(-1°F)

Compare climate in West Salem with other places

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

Monthly average precipitation in West Salem, Ohio, United States §

West Salem usually has the most precipitation in April, June and July, with an average of 14 rainy days and 126 mm (5.0 inches) of precipitation per month.The driest months in West Salem are January, September and December. On average, 86 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in West Salem, Ohio, 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) 79 (3.1) 93 (3.7) 95 (3.8) 126 (5.0) 119 (4.7) 130 (5.1) 123 (4.9) 90 (3.6) 89 (3.5) 100 (4.0) 89 (3.5) 89 (3.5)
Average precipitation days (≥ 1 mm) 11 13 13 15 15 14 14 13 11 14 10 12

Monthly sunshine hours in West Salem, Ohio, United States §

The sunniest months in West Salem are June, July and August, when the sun shines an average of 11 hours 3 minutes a day.Least sunny months in West Salem: January, February and December receive an average of 4 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in West Salem, Ohio, 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 103 154 229 252 287 331 354 330 288 228 171 137
Mean daily daylight hours 9h 35m 10h 38m 11h 58m 13h 20m 14h 29m 15h 4m 14h 45m 13h 43m 12h 24m 11h 3m 9h 51m 9h 15m

Solar UV radiation in West Salem, Ohio, United States §

West Salem 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 Low / 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 West Salem UV Index data.

Average daily maximum UV levels by month for West Salem, Ohio, 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 6 8 10 10 10 9 8 6 4 2