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Monthly climate in Seymour, Wisconsin, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Seymour features a humid continental climate (Dfb).Temperatures typically range between -7 °C (20 °F) and 23 °C (73 °F) through the year, but rarely can drop to -32 °C (-25 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 948 mm (37.3 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually.Seymour enjoys an average of 2892 hours of sunshine throughout the year, and daylight varies from 8 hours 52 minutes to 15 hours 28 minutes per day.

Monthly average temperatures in Seymour, Wisconsin, United States §

The warmest months in Seymour are June, July and August, with daily mean temperatures ranging from 20 to 23 °C (69 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -3 °C (20 - 26 °F) throughout the day. On average each year, Seymour experiences 64 days above 25 °C (77.0 °F) and 139 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Seymour, 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 9°C
(48°F)		 18°C
(65°F)		 19°C
(67°F)		 26°C
(79°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(98°F)		 33°C
(91°F)		 33°C
(92°F)		 29°C
(84°F)		 24°C
(75°F)		 17°C
(64°F)
Mean maximum 6°C
(43°F)		 11°C
(52°F)		 16°C
(61°F)		 23°C
(73°F)		 31°C
(88°F)		 33°C
(92°F)		 33°C
(93°F)		 31°C
(88°F)		 30°C
(86°F)		 27°C
(81°F)		 16°C
(61°F)		 12°C
(54°F)
Average high -3°C
(26°F)		 -2°C
(29°F)		 5°C
(41°F)		 11°C
(52°F)		 19°C
(67°F)		 25°C
(78°F)		 28°C
(82°F)		 26°C
(79°F)		 22°C
(72°F)		 14°C
(58°F)		 5°C
(42°F)		 0°C
(32°F)
Daily mean -7°C
(20°F)		 -7°C
(20°F)		 1°C
(33°F)		 6°C
(43°F)		 14°C
(57°F)		 20°C
(69°F)		 23°C
(73°F)		 21°C
(70°F)		 17°C
(63°F)		 10°C
(50°F)		 1°C
(35°F)		 -3°C
(26°F)
Average low -10°C
(14°F)		 -11°C
(12°F)		 -4°C
(25°F)		 1°C
(35°F)		 9°C
(48°F)		 15°C
(59°F)		 17°C
(64°F)		 16°C
(60°F)		 12°C
(54°F)		 5°C
(42°F)		 -2°C
(28°F)		 -7°C
(19°F)
Mean minimum -23°C
(-10°F)		 -24°C
(-11°F)		 -15°C
(5°F)		 -6°C
(21°F)		 0°C
(33°F)		 9°C
(49°F)		 12°C
(54°F)		 9°C
(48°F)		 4°C
(39°F)		 -4°C
(25°F)		 -11°C
(12°F)		 -20°C
(-3°F)
Minimum -32°C
(-25°F)		 -31°C
(-24°F)		 -24°C
(-11°F)		 -13°C
(8°F)		 -2°C
(28°F)		 5°C
(41°F)		 10°C
(50°F)		 6°C
(44°F)		 1°C
(33°F)		 -5°C
(22°F)		 -14°C
(7°F)		 -29°C
(-20°F)

Compare climate in Seymour with other places

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

Monthly average precipitation in Seymour, Wisconsin, United States §

Seymour usually has the most precipitation in May, July and August, with an average of 12 rainy days and 110 mm (4.3 inches) of precipitation per month.The driest months in Seymour are January, February and November. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Seymour, 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) 39 (1.5) 48 (1.9) 60 (2.4) 100 (3.9) 107 (4.2) 106 (4.2) 111 (4.4) 111 (4.4) 67 (2.6) 96 (3.8) 49 (1.9) 54 (2.1)
Average precipitation days (≥ 1 mm) 7 9 8 12 13 11 13 11 11 12 7 7

Monthly sunshine hours in Seymour, Wisconsin, United States §

The sunniest months in Seymour are June, July and August, when the sun shines an average of 10 hours 58 minutes a day.Least sunny months in Seymour: January, November and December receive an average of 4 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Seymour, 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 120 197 239 234 289 328 358 324 264 204 179 152
Mean daily daylight hours 9h 15m 10h 27m 11h 57m 13h 30m 14h 49m 15h 28m 15h 6m 13h 56m 12h 27m 10h 55m 9h 34m 8h 52m

Solar UV radiation in Seymour, Wisconsin, United States §

Seymour experiences the highest level of ultraviolet (UV) radiation in May, June 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 Seymour UV Index data.

Average daily maximum UV levels by month for Seymour, 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) 3 4 5 7 9 10 9 9 7 5 3 2