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Monthly climate in Stuart, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Stuart features a humid continental climate (Dfa).Temperatures typically range between -5 °C (23 °F) and 25 °C (77 °F) through the year, but rarely can drop to -30 °C (-21 °F) or can rise to as high as 39 °C (102 °F).The average annual precipitation amounts to about 974 mm (38.3 inches) and receives 103 rainy days on the 1 mm (0.04 inches) threshold annually.Stuart enjoys an average of 3062 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 7 minutes per day.

Monthly average temperatures in Stuart, Iowa, United States §

The warmest months in Stuart are June, July and August, with daily mean temperatures ranging from 23 to 25 °C (74 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -1 °C (23 - 31 °F) throughout the day. On average each year, Stuart experiences 96 days above 25 °C (77.0 °F) and 120 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Stuart, 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 14°C
(57°F)		 22°C
(71°F)		 24°C
(75°F)		 30°C
(87°F)		 36°C
(97°F)		 39°C
(102°F)		 35°C
(96°F)		 35°C
(96°F)		 34°C
(94°F)		 31°C
(89°F)		 25°C
(77°F)		 22°C
(72°F)
Mean maximum 12°C
(54°F)		 16°C
(61°F)		 21°C
(71°F)		 27°C
(80°F)		 32°C
(89°F)		 34°C
(93°F)		 35°C
(95°F)		 33°C
(92°F)		 33°C
(92°F)		 30°C
(86°F)		 19°C
(67°F)		 17°C
(63°F)
Average high -1°C
(31°F)		 1°C
(34°F)		 10°C
(49°F)		 15°C
(60°F)		 22°C
(71°F)		 29°C
(84°F)		 30°C
(86°F)		 28°C
(83°F)		 26°C
(79°F)		 16°C
(62°F)		 9°C
(48°F)		 4°C
(40°F)
Daily mean -5°C
(23°F)		 -4°C
(24°F)		 4°C
(40°F)		 10°C
(49°F)		 17°C
(62°F)		 23°C
(75°F)		 25°C
(77°F)		 23°C
(74°F)		 20°C
(69°F)		 11°C
(52°F)		 4°C
(39°F)		 -1°C
(31°F)
Average low -9°C
(15°F)		 -9°C
(16°F)		 -0°C
(32°F)		 4°C
(39°F)		 12°C
(53°F)		 18°C
(65°F)		 20°C
(68°F)		 18°C
(64°F)		 15°C
(59°F)		 6°C
(43°F)		 -2°C
(30°F)		 -5°C
(23°F)
Mean minimum -24°C
(-11°F)		 -22°C
(-8°F)		 -11°C
(13°F)		 -6°C
(21°F)		 4°C
(39°F)		 12°C
(53°F)		 14°C
(57°F)		 12°C
(54°F)		 7°C
(45°F)		 -3°C
(27°F)		 -12°C
(11°F)		 -15°C
(5°F)
Minimum -30°C
(-21°F)		 -30°C
(-21°F)		 -20°C
(-5°F)		 -11°C
(13°F)		 1°C
(34°F)		 9°C
(49°F)		 12°C
(54°F)		 10°C
(51°F)		 5°C
(41°F)		 -7°C
(20°F)		 -20°C
(-3°F)		 -23°C
(-10°F)

Compare climate in Stuart with other places

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

Monthly average precipitation in Stuart, Iowa, United States §

Stuart usually has the most precipitation in May, June and October, with an average of 12 rainy days and 136 mm (5.4 inches) of precipitation per month.The driest months in Stuart are January, November and December. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Stuart, 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) 35 (1.4) 38 (1.5) 84 (3.3) 69 (2.7) 177 (7.0) 113 (4.4) 70 (2.8) 96 (3.8) 102 (4.0) 118 (4.7) 35 (1.4) 37 (1.4)
Average precipitation days (≥ 1 mm) 6 6 8 10 16 10 8 7 10 11 6 5

Monthly sunshine hours in Stuart, Iowa, United States §

The sunniest months in Stuart are June, July and August, when the sun shines an average of 11 hours 27 minutes a day.Least sunny months in Stuart: January, February and November receive an average of 6 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Stuart, 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 141 197 218 260 262 348 373 331 278 223 210 215
Mean daily daylight hours 9h 33m 10h 37m 11h 58m 13h 21m 14h 32m 15h 7m 14h 47m 13h 45m 12h 24m 11h 2m 9h 49m 9h 12m

Solar UV radiation in Stuart, Iowa, United States §

Stuart experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 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 4. For more detailed information, check out our hourly Stuart UV Index data.

Average daily maximum UV levels by month for Stuart, 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 6 8 10 11 10 9 8 6 4 3