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Monthly climate in Roscommon, Michigan, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Roscommon features a humid continental climate (Dfb). Temperatures typically range between -6 °C (21 °F) and 21 °C (71 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 968 mm (38.1 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually. Roscommon enjoys an average of 2687 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 Roscommon, Michigan, United States §

The warmest months in Roscommon are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (21 - 27 °F) throughout the day. On average each year, Roscommon experiences 59 days above 25 °C (77.0 °F) and 147 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Roscommon, 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 12°C
(54°F)		 16°C
(61°F)		 21°C
(70°F)		 26°C
(79°F)		 33°C
(91°F)		 35°C
(95°F)		 36°C
(96°F)		 32°C
(90°F)		 33°C
(93°F)		 27°C
(82°F)		 25°C
(77°F)		 15°C
(59°F)
Mean maximum 6°C
(43°F)		 10°C
(51°F)		 15°C
(60°F)		 23°C
(74°F)		 30°C
(87°F)		 32°C
(90°F)		 33°C
(92°F)		 31°C
(88°F)		 29°C
(85°F)		 25°C
(77°F)		 15°C
(60°F)		 11°C
(51°F)
Average high -3°C
(27°F)		 -1°C
(30°F)		 5°C
(40°F)		 11°C
(52°F)		 19°C
(67°F)		 25°C
(76°F)		 27°C
(81°F)		 26°C
(78°F)		 22°C
(71°F)		 14°C
(57°F)		 5°C
(41°F)		 0°C
(33°F)
Daily mean -6°C
(21°F)		 -6°C
(21°F)		 -1°C
(31°F)		 5°C
(42°F)		 13°C
(56°F)		 19°C
(66°F)		 21°C
(71°F)		 20°C
(68°F)		 16°C
(61°F)		 9°C
(49°F)		 1°C
(35°F)		 -3°C
(27°F)
Average low -10°C
(14°F)		 -11°C
(13°F)		 -6°C
(22°F)		 0°C
(33°F)		 7°C
(45°F)		 13°C
(55°F)		 16°C
(61°F)		 15°C
(59°F)		 11°C
(51°F)		 5°C
(41°F)		 -2°C
(29°F)		 -6°C
(22°F)
Mean minimum -21°C
(-6°F)		 -22°C
(-7°F)		 -18°C
(-0°F)		 -8°C
(17°F)		 -1°C
(30°F)		 7°C
(44°F)		 10°C
(51°F)		 8°C
(47°F)		 3°C
(38°F)		 -3°C
(28°F)		 -11°C
(12°F)		 -16°C
(4°F)
Minimum -27°C
(-17°F)		 -25°C
(-14°F)		 -23°C
(-9°F)		 -17°C
(1°F)		 -4°C
(26°F)		 3°C
(37°F)		 9°C
(49°F)		 5°C
(41°F)		 -0°C
(32°F)		 -4°C
(25°F)		 -18°C
(-0°F)		 -25°C
(-12°F)

Compare climate in Roscommon with other places

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

Monthly average precipitation in Roscommon, Michigan, United States §

Roscommon usually has the most precipitation in May, June and October, with an average of 13 rainy days and 114 mm (4.5 inches) of precipitation per month. The driest months in Roscommon are January, February and March. On average, 52 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Roscommon, 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) 50 (2.0) 52 (2.1) 54 (2.1) 93 (3.7) 107 (4.2) 118 (4.6) 87 (3.4) 90 (3.6) 73 (2.9) 118 (4.6) 61 (2.4) 63 (2.5)
Average precipitation days (≥ 1 mm) 9 11 10 13 12 12 10 11 10 16 11 12

Monthly sunshine hours in Roscommon, Michigan, United States §

The sunniest months in Roscommon are June, July and August, when the sun shines an average of 10 hours 45 minutes a day. Least sunny months in Roscommon: January, November and December receive an average of 3 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Roscommon, 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 98 157 224 228 286 317 350 321 270 182 143 104
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 Roscommon, Michigan, United States §

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

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

Detailed Monthly Weather Insights for Roscommon, Michigan, United States

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