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Monthly climate in Osage, Iowa, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Osage features a humid continental climate (Dfa). Temperatures typically range between -8 °C (18 °F) and 23 °C (74 °F) through the year, but rarely can drop to -35 °C (-31 °F) or can rise to as high as 36 °C (96 °F). The average annual precipitation amounts to about 1032 mm (40.6 inches) and receives 108 rainy days on the 1 mm (0.04 inches) threshold annually. Osage enjoys an average of 2910 hours of sunshine throughout the year, and daylight varies from 9 hours 0 minutes to 15 hours 19 minutes per day.

Monthly average temperatures in Osage, Iowa, United States §

The warmest months in Osage are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -8 to -3 °C (18 - 27 °F) throughout the day. On average each year, Osage experiences 76 days above 25 °C (77.0 °F) and 138 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Osage, 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
(52°F)		 19°C
(66°F)		 22°C
(71°F)		 27°C
(81°F)		 34°C
(94°F)		 36°C
(96°F)		 33°C
(92°F)		 36°C
(96°F)		 33°C
(92°F)		 30°C
(86°F)		 24°C
(76°F)		 20°C
(68°F)
Mean maximum 8°C
(47°F)		 10°C
(50°F)		 18°C
(65°F)		 25°C
(76°F)		 31°C
(88°F)		 32°C
(91°F)		 33°C
(91°F)		 31°C
(89°F)		 31°C
(88°F)		 28°C
(83°F)		 17°C
(63°F)		 14°C
(57°F)
Average high -4°C
(26°F)		 -3°C
(26°F)		 6°C
(43°F)		 13°C
(55°F)		 21°C
(69°F)		 27°C
(81°F)		 28°C
(82°F)		 26°C
(80°F)		 24°C
(75°F)		 15°C
(58°F)		 6°C
(43°F)		 1°C
(35°F)
Daily mean -7°C
(19°F)		 -8°C
(18°F)		 1°C
(35°F)		 7°C
(45°F)		 15°C
(60°F)		 22°C
(72°F)		 23°C
(74°F)		 21°C
(70°F)		 18°C
(65°F)		 10°C
(50°F)		 1°C
(35°F)		 -3°C
(27°F)
Average low -11°C
(12°F)		 -12°C
(10°F)		 -3°C
(27°F)		 2°C
(36°F)		 10°C
(51°F)		 17°C
(62°F)		 18°C
(65°F)		 16°C
(61°F)		 13°C
(55°F)		 5°C
(41°F)		 -3°C
(27°F)		 -7°C
(20°F)
Mean minimum -25°C
(-13°F)		 -26°C
(-14°F)		 -16°C
(3°F)		 -8°C
(19°F)		 2°C
(36°F)		 10°C
(51°F)		 13°C
(55°F)		 10°C
(51°F)		 5°C
(42°F)		 -5°C
(24°F)		 -13°C
(9°F)		 -18°C
(-1°F)
Minimum -34°C
(-29°F)		 -35°C
(-31°F)		 -24°C
(-12°F)		 -13°C
(9°F)		 -1°C
(30°F)		 8°C
(46°F)		 11°C
(52°F)		 10°C
(50°F)		 2°C
(36°F)		 -8°C
(17°F)		 -17°C
(1°F)		 -22°C
(-8°F)

Compare climate in Osage with other places

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

Monthly average precipitation in Osage, Iowa, United States §

Osage usually has the most precipitation in May, June and October, with an average of 12 rainy days and 135 mm (5.3 inches) of precipitation per month. The driest months in Osage are January, February and December. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Osage, 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) 37 (1.4) 48 (1.9) 70 (2.8) 73 (2.9) 156 (6.1) 129 (5.1) 89 (3.5) 115 (4.5) 107 (4.2) 121 (4.8) 50 (2.0) 37 (1.4)
Average precipitation days (≥ 1 mm) 6 8 8 9 14 12 9 10 10 10 7 5

Monthly sunshine hours in Osage, Iowa, United States §

The sunniest months in Osage are June, July and August, when the sun shines an average of 11 hours 6 minutes a day. Least sunny months in Osage: January, November and December receive an average of 5 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Osage, 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 132 194 225 234 256 335 364 322 256 207 194 185
Mean daily daylight hours 9h 22m 10h 31m 11h 57m 13h 26m 14h 41m 15h 19m 14h 58m 13h 51m 12h 26m 10h 58m 9h 40m 9h 0m

Solar UV radiation in Osage, Iowa, United States §

Osage 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 Osage UV Index data.

Average daily maximum UV levels by month for Osage, 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 Osage, Iowa, United States

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