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Monthly climate in Marcus, Iowa, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Marcus features a humid continental climate (Dfa). Temperatures typically range between -6 °C (21 °F) and 24 °C (76 °F) through the year, but rarely can drop to -33 °C (-27 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 925 mm (36.4 inches) and receives 100 rainy days on the 1 mm (0.04 inches) threshold annually. Marcus enjoys an average of 3048 hours of sunshine throughout the year, and daylight varies from 9 hours 4 minutes to 15 hours 16 minutes per day.

Monthly average temperatures in Marcus, Iowa, United States §

The warmest months in Marcus are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (21 - 28 °F) throughout the day. On average each year, Marcus experiences 89 days above 25 °C (77.0 °F) and 135 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Marcus, Iowa, 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 11°C
(51°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(83°F)		 35°C
(95°F)		 35°C
(95°F)		 35°C
(95°F)		 35°C
(96°F)		 34°C
(94°F)		 31°C
(87°F)		 25°C
(77°F)		 20°C
(68°F)
Mean maximum 9°C
(48°F)		 12°C
(54°F)		 20°C
(69°F)		 26°C
(79°F)		 31°C
(89°F)		 32°C
(91°F)		 34°C
(94°F)		 32°C
(90°F)		 33°C
(91°F)		 29°C
(84°F)		 18°C
(66°F)		 13°C
(55°F)
Average high -1°C
(30°F)		 -1°C
(30°F)		 8°C
(46°F)		 14°C
(57°F)		 21°C
(70°F)		 28°C
(83°F)		 29°C
(85°F)		 27°C
(82°F)		 25°C
(77°F)		 15°C
(59°F)		 8°C
(46°F)		 2°C
(36°F)
Daily mean -6°C
(22°F)		 -6°C
(21°F)		 3°C
(37°F)		 8°C
(46°F)		 16°C
(60°F)		 23°C
(73°F)		 24°C
(76°F)		 22°C
(72°F)		 19°C
(67°F)		 10°C
(50°F)		 2°C
(36°F)		 -2°C
(28°F)
Average low -10°C
(14°F)		 -11°C
(12°F)		 -2°C
(29°F)		 2°C
(36°F)		 10°C
(51°F)		 17°C
(63°F)		 19°C
(66°F)		 17°C
(62°F)		 13°C
(57°F)		 5°C
(41°F)		 -3°C
(27°F)		 -7°C
(20°F)
Mean minimum -23°C
(-9°F)		 -23°C
(-10°F)		 -12°C
(10°F)		 -8°C
(19°F)		 3°C
(37°F)		 10°C
(51°F)		 12°C
(55°F)		 10°C
(51°F)		 5°C
(41°F)		 -5°C
(24°F)		 -12°C
(10°F)		 -17°C
(2°F)
Minimum -29°C
(-19°F)		 -33°C
(-27°F)		 -24°C
(-11°F)		 -12°C
(10°F)		 1°C
(34°F)		 7°C
(46°F)		 11°C
(52°F)		 9°C
(48°F)		 3°C
(38°F)		 -9°C
(16°F)		 -16°C
(4°F)		 -23°C
(-10°F)

Compare climate in Marcus with other places

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

Monthly average precipitation in Marcus, Iowa, United States §

Marcus usually has the most precipitation in May, June and September, with an average of 11 rainy days and 128 mm (5.0 inches) of precipitation per month. The driest months in Marcus are January, February and November. On average, 30 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Marcus, Iowa, 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) 26 (1.0) 35 (1.4) 74 (2.9) 91 (3.6) 142 (5.6) 131 (5.2) 60 (2.4) 108 (4.3) 109 (4.3) 79 (3.1) 30 (1.2) 38 (1.5)
Average precipitation days (≥ 1 mm) 4 7 8 10 15 11 7 10 9 9 6 4

Monthly sunshine hours in Marcus, Iowa, United States §

The sunniest months in Marcus are June, July and August, when the sun shines an average of 11 hours 22 minutes a day. Least sunny months in Marcus: January, February and December receive an average of 6 hours 10 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Marcus, Iowa, 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 146 206 218 251 266 346 371 328 267 224 210 207
Mean daily daylight hours 9h 25m 10h 32m 11h 58m 13h 25m 14h 39m 15h 16m 14h 56m 13h 49m 12h 25m 10h 59m 9h 42m 9h 4m

Solar UV radiation in Marcus, Iowa, United States §

Marcus experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the 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 Marcus UV Index data.

Average daily maximum UV levels by month for Marcus, Iowa, 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 5 5 8 9 11 10 9 8 5 3 3

Detailed Monthly Weather Insights for Marcus, Iowa, United States

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