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Monthly climate in Witt, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Witt features a humid subtropical climate (Cfa).Temperatures typically range between -1 °C (31 °F) and 26 °C (79 °F) through the year, but rarely can drop to -24 °C (-10 °F) or can rise to as high as 36 °C (98 °F).The average annual precipitation amounts to about 1223 mm (48.1 inches) and receives 120 rainy days on the 1 mm (0.04 inches) threshold annually.Witt enjoys an average of 3005 hours of sunshine throughout the year, and daylight varies from 9 hours 26 minutes to 14 hours 52 minutes per day.

Monthly average temperatures in Witt, Illinois, United States §

The warmest months in Witt are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (75 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 3 °C (31 - 37 °F) throughout the day. On average each year, Witt experiences 113 days above 25 °C (77.0 °F) and 87 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Witt, Illinois, 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 18°C
(65°F)		 23°C
(74°F)		 25°C
(77°F)		 29°C
(84°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(98°F)		 34°C
(93°F)		 34°C
(93°F)		 33°C
(92°F)		 24°C
(76°F)		 19°C
(66°F)
Mean maximum 15°C
(60°F)		 18°C
(65°F)		 22°C
(72°F)		 28°C
(83°F)		 32°C
(90°F)		 34°C
(93°F)		 35°C
(94°F)		 33°C
(91°F)		 33°C
(91°F)		 31°C
(87°F)		 21°C
(70°F)		 18°C
(64°F)
Average high 3°C
(38°F)		 6°C
(42°F)		 12°C
(54°F)		 17°C
(64°F)		 24°C
(75°F)		 29°C
(85°F)		 30°C
(87°F)		 29°C
(84°F)		 27°C
(82°F)		 20°C
(68°F)		 11°C
(52°F)		 8°C
(46°F)
Daily mean -1°C
(31°F)		 1°C
(34°F)		 7°C
(45°F)		 12°C
(54°F)		 19°C
(67°F)		 24°C
(76°F)		 26°C
(79°F)		 24°C
(75°F)		 22°C
(71°F)		 14°C
(58°F)		 6°C
(43°F)		 3°C
(37°F)
Average low -5°C
(24°F)		 -4°C
(25°F)		 2°C
(36°F)		 7°C
(44°F)		 14°C
(58°F)		 19°C
(67°F)		 21°C
(70°F)		 19°C
(66°F)		 16°C
(61°F)		 9°C
(49°F)		 1°C
(34°F)		 -2°C
(29°F)
Mean minimum -17°C
(1°F)		 -17°C
(1°F)		 -9°C
(15°F)		 -2°C
(29°F)		 5°C
(41°F)		 14°C
(58°F)		 15°C
(60°F)		 13°C
(55°F)		 8°C
(47°F)		 -1°C
(30°F)		 -8°C
(18°F)		 -12°C
(10°F)
Minimum -24°C
(-10°F)		 -22°C
(-7°F)		 -18°C
(1°F)		 -6°C
(22°F)		 2°C
(36°F)		 10°C
(51°F)		 14°C
(57°F)		 11°C
(52°F)		 6°C
(43°F)		 -5°C
(24°F)		 -13°C
(8°F)		 -23°C
(-8°F)

Compare climate in Witt with other places

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

Monthly average precipitation in Witt, Illinois, United States §

Witt usually has the most precipitation in March, April and May, with an average of 12 rainy days and 142 mm (5.6 inches) of precipitation per month.The driest months in Witt are September, November and December. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Witt, Illinois, 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) 78 (3.1) 78 (3.1) 131 (5.1) 140 (5.5) 156 (6.1) 110 (4.3) 100 (3.9) 118 (4.6) 64 (2.5) 111 (4.4) 78 (3.1) 60 (2.4)
Average precipitation days (≥ 1 mm) 8 10 12 11 14 11 11 11 6 10 9 7

Monthly sunshine hours in Witt, Illinois, United States §

The sunniest months in Witt are June, July and August, when the sun shines an average of 11 hours 8 minutes a day.Least sunny months in Witt: January, February and December receive an average of 5 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Witt, Illinois, 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 121 172 212 247 288 340 353 331 297 240 207 193
Mean daily daylight hours 9h 44m 10h 43m 11h 58m 13h 15m 14h 20m 14h 52m 14h 35m 13h 37m 12h 23m 11h 6m 9h 59m 9h 26m

Solar UV radiation in Witt, Illinois, United States §

Witt 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 Witt UV Index data.

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