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Monthly climate in Salem, Wisconsin, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Salem features a humid continental climate (Dfa).Temperatures typically range between -4 °C (26 °F) and 22 °C (73 °F) through the year, but rarely can drop to -28 °C (-19 °F) or can rise to as high as 31 °C (89 °F).The average annual precipitation amounts to about 1046 mm (41.2 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually.Salem enjoys an average of 2981 hours of sunshine throughout the year, and daylight varies from 9 hours 6 minutes to 15 hours 13 minutes per day.

Monthly average temperatures in Salem, Wisconsin, United States §

The warmest months in Salem are July, August and September, with daily mean temperatures ranging from 19 to 22 °C (67 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to 0 °C (26 - 33 °F) throughout the day. On average each year, Salem experiences 39 days above 25 °C (77.0 °F) and 97 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Salem, Wisconsin, 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 11°C
(52°F)		 15°C
(59°F)		 20°C
(68°F)		 22°C
(71°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(89°F)		 31°C
(88°F)		 29°C
(84°F)		 27°C
(80°F)		 20°C
(68°F)		 17°C
(63°F)
Mean maximum 8°C
(47°F)		 10°C
(51°F)		 15°C
(59°F)		 20°C
(68°F)		 24°C
(75°F)		 27°C
(80°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(83°F)		 25°C
(77°F)		 15°C
(60°F)		 13°C
(55°F)
Average high -1°C
(31°F)		 0°C
(33°F)		 6°C
(43°F)		 10°C
(50°F)		 15°C
(60°F)		 22°C
(71°F)		 25°C
(78°F)		 25°C
(78°F)		 22°C
(72°F)		 15°C
(60°F)		 7°C
(44°F)		 3°C
(38°F)
Daily mean -4°C
(26°F)		 -3°C
(27°F)		 2°C
(36°F)		 6°C
(44°F)		 12°C
(54°F)		 18°C
(66°F)		 22°C
(73°F)		 22°C
(72°F)		 19°C
(67°F)		 12°C
(54°F)		 4°C
(39°F)		 0°C
(33°F)
Average low -6°C
(21°F)		 -6°C
(21°F)		 -1°C
(31°F)		 3°C
(38°F)		 9°C
(49°F)		 15°C
(60°F)		 19°C
(67°F)		 19°C
(66°F)		 16°C
(61°F)		 9°C
(49°F)		 1°C
(34°F)		 -2°C
(28°F)
Mean minimum -19°C
(-2°F)		 -19°C
(-2°F)		 -11°C
(12°F)		 -3°C
(27°F)		 3°C
(37°F)		 11°C
(53°F)		 15°C
(60°F)		 15°C
(59°F)		 10°C
(50°F)		 2°C
(35°F)		 -7°C
(19°F)		 -12°C
(11°F)
Minimum -28°C
(-18°F)		 -28°C
(-19°F)		 -21°C
(-6°F)		 -7°C
(20°F)		 -0°C
(32°F)		 9°C
(48°F)		 13°C
(56°F)		 13°C
(56°F)		 6°C
(43°F)		 -1°C
(31°F)		 -12°C
(10°F)		 -19°C
(-2°F)

Compare climate in Salem with other places

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

Monthly average precipitation in Salem, Wisconsin, United States §

Salem usually has the most precipitation in April, May and October, with an average of 13 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Salem are February, November and December. On average, 60 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Salem, Wisconsin, 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) 67 (2.7) 65 (2.6) 70 (2.8) 113 (4.5) 156 (6.1) 100 (3.9) 74 (2.9) 72 (2.8) 84 (3.3) 130 (5.1) 56 (2.2) 58 (2.3)
Average precipitation days (≥ 1 mm) 9 11 10 13 14 12 11 11 10 13 9 8

Monthly sunshine hours in Salem, Wisconsin, United States §

The sunniest months in Salem are June, July and August, when the sun shines an average of 11 hours 17 minutes a day.Least sunny months in Salem: January, February and December receive an average of 5 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Salem, Wisconsin, 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 119 181 240 252 288 331 365 341 282 215 189 171
Mean daily daylight hours 9h 27m 10h 34m 11h 58m 13h 24m 14h 36m 15h 13m 14h 53m 13h 48m 12h 25m 11h 0m 9h 45m 9h 6m

Solar UV radiation in Salem, Wisconsin, United States §

Salem experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 3. For more detailed information, check out our hourly Salem UV Index data.

Average daily maximum UV levels by month for Salem, Wisconsin, 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) 2 4 6 8 9 10 10 9 8 5 3 2