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Monthly climate in East Troy, Wisconsin, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification East Troy features a humid continental climate (Dfa). Temperatures typically range between -5 °C (23 °F) and 24 °C (75 °F) through the year, but rarely can drop to -33 °C (-26 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 1024 mm (40.3 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually. East Troy enjoys an average of 2944 hours of sunshine throughout the year, and daylight varies from 9 hours 5 minutes to 15 hours 15 minutes per day.

Monthly average temperatures in East Troy, Wisconsin, United States §

The warmest months in East Troy are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (70 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -1 °C (23 - 31 °F) throughout the day. On average each year, East Troy experiences 78 days above 25 °C (77.0 °F) and 123 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in East Troy, 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 14°C
(57°F)		 20°C
(68°F)		 23°C
(74°F)		 27°C
(82°F)		 34°C
(94°F)		 34°C
(93°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(92°F)		 30°C
(86°F)		 24°C
(75°F)		 19°C
(66°F)
Mean maximum 9°C
(48°F)		 12°C
(54°F)		 19°C
(66°F)		 25°C
(78°F)		 31°C
(88°F)		 32°C
(91°F)		 33°C
(92°F)		 32°C
(89°F)		 31°C
(87°F)		 28°C
(83°F)		 17°C
(63°F)		 14°C
(58°F)
Average high -2°C
(29°F)		 0°C
(32°F)		 7°C
(46°F)		 13°C
(55°F)		 20°C
(68°F)		 26°C
(79°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(75°F)		 16°C
(60°F)		 7°C
(44°F)		 3°C
(37°F)
Daily mean -5°C
(23°F)		 -4°C
(24°F)		 3°C
(37°F)		 8°C
(46°F)		 15°C
(59°F)		 21°C
(70°F)		 24°C
(75°F)		 22°C
(72°F)		 19°C
(66°F)		 11°C
(52°F)		 3°C
(37°F)		 -1°C
(31°F)
Average low -9°C
(15°F)		 -9°C
(16°F)		 -2°C
(29°F)		 3°C
(38°F)		 10°C
(51°F)		 16°C
(61°F)		 19°C
(66°F)		 17°C
(63°F)		 14°C
(57°F)		 7°C
(45°F)		 -1°C
(30°F)		 -5°C
(24°F)
Mean minimum -24°C
(-12°F)		 -24°C
(-11°F)		 -15°C
(6°F)		 -5°C
(24°F)		 1°C
(35°F)		 11°C
(52°F)		 13°C
(56°F)		 11°C
(52°F)		 6°C
(44°F)		 -2°C
(28°F)		 -10°C
(14°F)		 -15°C
(6°F)
Minimum -32°C
(-25°F)		 -33°C
(-26°F)		 -23°C
(-10°F)		 -9°C
(17°F)		 -1°C
(30°F)		 8°C
(47°F)		 12°C
(54°F)		 8°C
(46°F)		 2°C
(36°F)		 -5°C
(23°F)		 -16°C
(4°F)		 -22°C
(-8°F)

Compare climate in East Troy with other places

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

Monthly average precipitation in East Troy, Wisconsin, United States §

East Troy usually has the most precipitation in May, June and October, with an average of 13 rainy days and 122 mm (4.8 inches) of precipitation per month. The driest months in East Troy are February, November and December. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in East Troy, 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) 59 (2.3) 55 (2.2) 61 (2.4) 111 (4.4) 141 (5.5) 112 (4.4) 88 (3.5) 86 (3.4) 101 (4.0) 114 (4.5) 47 (1.9) 49 (1.9)
Average precipitation days (≥ 1 mm) 8 9 9 14 14 12 11 12 9 14 8 7

Monthly sunshine hours in East Troy, Wisconsin, United States §

The sunniest months in East Troy are June, July and August, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in East Troy: January, February and December receive an average of 5 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in East Troy, 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 122 187 238 246 280 324 362 337 277 205 188 172
Mean daily daylight hours 9h 26m 10h 33m 11h 58m 13h 24m 14h 38m 15h 15m 14h 55m 13h 49m 12h 25m 10h 59m 9h 43m 9h 5m

Solar UV radiation in East Troy, Wisconsin, United States §

East Troy 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 East Troy UV Index data.

Average daily maximum UV levels by month for East Troy, 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 6 8 9 10 10 9 8 5 3 2

Detailed Monthly Weather Insights for East Troy, Wisconsin, United States

Discover in-depth weather details for every month in East Troy. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about East Troy's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.