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Monthly climate in Dexter, Michigan, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Dexter features a humid continental climate (Dfa). Temperatures typically range between -3 °C (27 °F) and 24 °C (75 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 964 mm (37.9 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually. Dexter enjoys an average of 2862 hours of sunshine throughout the year, and daylight varies from 9 hours 7 minutes to 15 hours 12 minutes per day.

Monthly average temperatures in Dexter, Michigan, United States §

The warmest months in Dexter 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 -3 to 0 °C (27 - 33 °F) throughout the day. On average each year, Dexter experiences 77 days above 25 °C (77.0 °F) and 112 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dexter, Michigan, 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 15°C
(59°F)		 19°C
(67°F)		 24°C
(75°F)		 28°C
(82°F)		 34°C
(93°F)		 34°C
(94°F)		 34°C
(94°F)		 33°C
(93°F)		 33°C
(92°F)		 29°C
(85°F)		 25°C
(77°F)		 17°C
(62°F)
Mean maximum 11°C
(52°F)		 13°C
(57°F)		 20°C
(68°F)		 25°C
(77°F)		 31°C
(87°F)		 32°C
(90°F)		 33°C
(91°F)		 32°C
(89°F)		 31°C
(89°F)		 28°C
(82°F)		 18°C
(64°F)		 14°C
(58°F)
Average high 0°C
(33°F)		 2°C
(36°F)		 8°C
(47°F)		 13°C
(56°F)		 20°C
(69°F)		 26°C
(79°F)		 28°C
(83°F)		 27°C
(81°F)		 24°C
(75°F)		 17°C
(62°F)		 7°C
(46°F)		 4°C
(39°F)
Daily mean -3°C
(27°F)		 -2°C
(28°F)		 3°C
(37°F)		 8°C
(47°F)		 15°C
(60°F)		 21°C
(70°F)		 24°C
(75°F)		 22°C
(72°F)		 19°C
(66°F)		 12°C
(54°F)		 4°C
(39°F)		 0°C
(33°F)
Average low -7°C
(20°F)		 -7°C
(20°F)		 -2°C
(29°F)		 4°C
(39°F)		 10°C
(51°F)		 16°C
(61°F)		 19°C
(66°F)		 17°C
(63°F)		 14°C
(57°F)		 8°C
(46°F)		 -0°C
(32°F)		 -3°C
(27°F)
Mean minimum -19°C
(-2°F)		 -20°C
(-4°F)		 -11°C
(13°F)		 -4°C
(25°F)		 1°C
(35°F)		 10°C
(51°F)		 14°C
(57°F)		 11°C
(53°F)		 6°C
(43°F)		 -1°C
(30°F)		 -8°C
(17°F)		 -12°C
(10°F)
Minimum -27°C
(-16°F)		 -28°C
(-18°F)		 -14°C
(6°F)		 -7°C
(20°F)		 -2°C
(28°F)		 6°C
(44°F)		 12°C
(54°F)		 8°C
(47°F)		 2°C
(35°F)		 -4°C
(26°F)		 -16°C
(4°F)		 -24°C
(-10°F)

Compare climate in Dexter with other places

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

Monthly average precipitation in Dexter, Michigan, United States §

Dexter usually has the most precipitation in May, July and October, with an average of 13 rainy days and 107 mm (4.2 inches) of precipitation per month. The driest months in Dexter are January, August and December. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dexter, Michigan, 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) 64 (2.5) 67 (2.6) 77 (3.0) 90 (3.6) 120 (4.7) 82 (3.2) 95 (3.8) 65 (2.5) 69 (2.7) 104 (4.1) 76 (3.0) 53 (2.1)
Average precipitation days (≥ 1 mm) 8 11 10 14 15 11 12 10 8 13 9 9

Monthly sunshine hours in Dexter, Michigan, United States §

The sunniest months in Dexter are June, July and August, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Dexter: January, February and December receive an average of 4 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dexter, Michigan, 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 104 160 241 239 288 333 355 335 280 220 164 136
Mean daily daylight hours 9h 28m 10h 34m 11h 58m 13h 23m 14h 36m 15h 12m 14h 52m 13h 48m 12h 25m 11h 0m 9h 45m 9h 7m

Solar UV radiation in Dexter, Michigan, United States §

Dexter experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February 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 Dexter UV Index data.

Average daily maximum UV levels by month for Dexter, Michigan, 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 5 9 9 10 10 9 7 5 4 2

Detailed Monthly Weather Insights for Dexter, Michigan, United States

Discover in-depth weather details for every month in Dexter. 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 Dexter'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.