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Monthly climate in Hartford, Michigan, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Hartford features a humid continental climate (Dfa). Temperatures typically range between -2 °C (28 °F) and 24 °C (75 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 33 °C (91 °F). The average annual precipitation amounts to about 1156 mm (45.5 inches) and receives 149 rainy days on the 1 mm (0.04 inches) threshold annually. Hartford enjoys an average of 2893 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.

Monthly average temperatures in Hartford, Michigan, United States §

The warmest months in Hartford 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 -2 to 2 °C (28 - 35 °F) throughout the day. On average each year, Hartford experiences 59 days above 25 °C (77.0 °F) and 84 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hartford, 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 13°C
(55°F)		 16°C
(61°F)		 20°C
(68°F)		 26°C
(78°F)		 33°C
(91°F)		 31°C
(89°F)		 32°C
(90°F)		 31°C
(89°F)		 32°C
(90°F)		 28°C
(82°F)		 22°C
(72°F)		 15°C
(60°F)
Mean maximum 9°C
(49°F)		 11°C
(51°F)		 16°C
(61°F)		 22°C
(72°F)		 28°C
(83°F)		 30°C
(86°F)		 31°C
(87°F)		 30°C
(86°F)		 30°C
(86°F)		 26°C
(79°F)		 16°C
(61°F)		 13°C
(56°F)
Average high 0°C
(33°F)		 1°C
(34°F)		 6°C
(44°F)		 11°C
(52°F)		 18°C
(65°F)		 24°C
(76°F)		 27°C
(80°F)		 26°C
(79°F)		 23°C
(74°F)		 16°C
(61°F)		 8°C
(46°F)		 4°C
(40°F)
Daily mean -2°C
(28°F)		 -2°C
(29°F)		 3°C
(37°F)		 8°C
(46°F)		 14°C
(58°F)		 21°C
(70°F)		 24°C
(75°F)		 23°C
(73°F)		 20°C
(67°F)		 13°C
(56°F)		 5°C
(42°F)		 2°C
(35°F)
Average low -5°C
(24°F)		 -5°C
(23°F)		 -0°C
(32°F)		 4°C
(40°F)		 11°C
(52°F)		 18°C
(64°F)		 21°C
(70°F)		 20°C
(67°F)		 16°C
(61°F)		 10°C
(50°F)		 3°C
(37°F)		 -1°C
(31°F)
Mean minimum -15°C
(5°F)		 -15°C
(6°F)		 -9°C
(17°F)		 -2°C
(30°F)		 4°C
(40°F)		 14°C
(57°F)		 17°C
(62°F)		 14°C
(58°F)		 10°C
(50°F)		 3°C
(38°F)		 -4°C
(26°F)		 -8°C
(17°F)
Minimum -25°C
(-12°F)		 -20°C
(-4°F)		 -14°C
(7°F)		 -4°C
(25°F)		 1°C
(34°F)		 10°C
(51°F)		 16°C
(60°F)		 12°C
(53°F)		 6°C
(43°F)		 2°C
(36°F)		 -8°C
(17°F)		 -17°C
(1°F)

Compare climate in Hartford with other places

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

Monthly average precipitation in Hartford, Michigan, United States §

Hartford usually has the most precipitation in May, June and October, with an average of 14 rainy days and 143 mm (5.6 inches) of precipitation per month. The driest months in Hartford are February, November and December. On average, 70 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hartford, 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) 74 (2.9) 73 (2.9) 79 (3.1) 102 (4.0) 151 (5.9) 133 (5.3) 106 (4.2) 78 (3.1) 75 (3.0) 146 (5.7) 72 (2.8) 67 (2.6)
Average precipitation days (≥ 1 mm) 13 13 12 14 14 12 12 11 9 16 12 11

Monthly sunshine hours in Hartford, Michigan, United States §

The sunniest months in Hartford are June, July and August, when the sun shines an average of 11 hours 20 minutes a day. Least sunny months in Hartford: January, February and December receive an average of 4 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hartford, 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 89 156 242 252 297 334 362 344 289 214 167 140
Mean daily daylight hours 9h 29m 10h 34m 11h 58m 13h 23m 14h 35m 15h 11m 14h 52m 13h 47m 12h 25m 11h 0m 9h 46m 9h 8m

Solar UV radiation in Hartford, Michigan, United States §

Hartford 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 Hartford UV Index data.

Average daily maximum UV levels by month for Hartford, 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 8 9 10 10 9 7 5 3 2

Detailed Monthly Weather Insights for Hartford, Michigan, United States

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