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Monthly climate in Sioux Center, Iowa, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Sioux Center 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 -31 °C (-23 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 894 mm (35.2 inches) and receives 95 rainy days on the 1 mm (0.04 inches) threshold annually.Sioux Center enjoys an average of 3071 hours of sunshine throughout the year, and daylight varies from 9 hours 3 minutes to 15 hours 17 minutes per day.

Monthly average temperatures in Sioux Center, Iowa, United States §

The warmest months in Sioux Center 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 -3 °C (21 - 27 °F) throughout the day. On average each year, Sioux Center experiences 88 days above 25 °C (77.0 °F) and 137 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sioux Center, 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 12°C
(53°F)		 20°C
(68°F)		 24°C
(76°F)		 29°C
(84°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(96°F)		 35°C
(96°F)		 33°C
(92°F)		 31°C
(87°F)		 25°C
(77°F)		 18°C
(65°F)
Mean maximum 9°C
(49°F)		 12°C
(54°F)		 20°C
(69°F)		 26°C
(80°F)		 31°C
(88°F)		 32°C
(90°F)		 34°C
(94°F)		 32°C
(90°F)		 32°C
(91°F)		 28°C
(83°F)		 19°C
(66°F)		 12°C
(54°F)
Average high -1°C
(30°F)		 -1°C
(30°F)		 8°C
(46°F)		 14°C
(57°F)		 21°C
(69°F)		 28°C
(83°F)		 29°C
(85°F)		 27°C
(81°F)		 25°C
(77°F)		 15°C
(59°F)		 7°C
(46°F)		 2°C
(36°F)
Daily mean -6°C
(21°F)		 -6°C
(21°F)		 2°C
(37°F)		 8°C
(46°F)		 15°C
(60°F)		 23°C
(73°F)		 24°C
(76°F)		 22°C
(72°F)		 19°C
(66°F)		 10°C
(49°F)		 2°C
(36°F)		 -3°C
(27°F)
Average low -10°C
(14°F)		 -11°C
(12°F)		 -2°C
(28°F)		 2°C
(36°F)		 10°C
(51°F)		 17°C
(63°F)		 19°C
(66°F)		 17°C
(62°F)		 13°C
(56°F)		 4°C
(40°F)		 -3°C
(27°F)		 -7°C
(20°F)
Mean minimum -23°C
(-9°F)		 -23°C
(-9°F)		 -13°C
(9°F)		 -8°C
(18°F)		 2°C
(36°F)		 10°C
(51°F)		 13°C
(55°F)		 11°C
(51°F)		 5°C
(41°F)		 -6°C
(22°F)		 -13°C
(9°F)		 -17°C
(1°F)
Minimum -31°C
(-23°F)		 -30°C
(-22°F)		 -25°C
(-12°F)		 -14°C
(6°F)		 -0°C
(31°F)		 7°C
(45°F)		 11°C
(52°F)		 8°C
(47°F)		 3°C
(38°F)		 -10°C
(13°F)		 -16°C
(4°F)		 -24°C
(-10°F)

Compare climate in Sioux Center with other places

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

Monthly average precipitation in Sioux Center, Iowa, United States §

Sioux Center usually has the most precipitation in May, June and September, with an average of 11 rainy days and 116 mm (4.6 inches) of precipitation per month.The driest months in Sioux Center are January, February and November. On average, 28 mm (1.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sioux Center, 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) 30 (1.2) 73 (2.9) 93 (3.7) 141 (5.6) 106 (4.2) 78 (3.1) 100 (3.9) 100 (3.9) 81 (3.2) 27 (1.1) 39 (1.5)
Average precipitation days (≥ 1 mm) 4 6 7 9 15 10 8 9 9 9 5 4

Monthly sunshine hours in Sioux Center, Iowa, United States §

The sunniest months in Sioux Center are June, July and August, when the sun shines an average of 11 hours 25 minutes a day.Least sunny months in Sioux Center: January, November and December receive an average of 6 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sioux Center, 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 153 211 224 254 272 349 369 331 262 226 211 204
Mean daily daylight hours 9h 24m 10h 32m 11h 58m 13h 25m 14h 40m 15h 17m 14h 56m 13h 50m 12h 26m 10h 58m 9h 42m 9h 3m

Solar UV radiation in Sioux Center, Iowa, United States §

Sioux Center 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 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 Sioux Center UV Index data.

Average daily maximum UV levels by month for Sioux Center, 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) 2 5 5 8 9 11 10 9 8 5 3 3