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Monthly climate in Mansfield, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mansfield features a humid continental climate (Dfa).Temperatures typically range between -2 °C (28 °F) and 25 °C (77 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 35 °C (96 °F).The average annual precipitation amounts to about 1142 mm (45.0 inches) and receives 123 rainy days on the 1 mm (0.04 inches) threshold annually.Mansfield enjoys an average of 2969 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 58 minutes per day.

Monthly average temperatures in Mansfield, Illinois, United States §

The warmest months in Mansfield 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 -2 to 2 °C (28 - 35 °F) throughout the day. On average each year, Mansfield experiences 107 days above 25 °C (77.0 °F) and 100 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mansfield, 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 17°C
(64°F)		 22°C
(73°F)		 26°C
(79°F)		 29°C
(84°F)		 34°C
(94°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 35°C
(94°F)		 32°C
(90°F)		 25°C
(77°F)		 18°C
(66°F)
Mean maximum 14°C
(58°F)		 17°C
(62°F)		 21°C
(70°F)		 27°C
(82°F)		 31°C
(89°F)		 33°C
(91°F)		 33°C
(92°F)		 33°C
(91°F)		 32°C
(91°F)		 30°C
(86°F)		 20°C
(68°F)		 17°C
(63°F)
Average high 2°C
(35°F)		 4°C
(39°F)		 11°C
(52°F)		 16°C
(62°F)		 23°C
(74°F)		 28°C
(83°F)		 30°C
(85°F)		 28°C
(83°F)		 27°C
(80°F)		 19°C
(66°F)		 10°C
(50°F)		 6°C
(44°F)
Daily mean -2°C
(28°F)		 -1°C
(31°F)		 6°C
(42°F)		 11°C
(52°F)		 18°C
(65°F)		 23°C
(74°F)		 25°C
(77°F)		 23°C
(74°F)		 21°C
(70°F)		 14°C
(57°F)		 5°C
(41°F)		 2°C
(35°F)
Average low -6°C
(21°F)		 -6°C
(22°F)		 1°C
(34°F)		 6°C
(43°F)		 13°C
(56°F)		 18°C
(65°F)		 20°C
(69°F)		 18°C
(65°F)		 16°C
(60°F)		 9°C
(48°F)		 0°C
(33°F)		 -3°C
(28°F)
Mean minimum -20°C
(-4°F)		 -19°C
(-2°F)		 -11°C
(13°F)		 -3°C
(26°F)		 4°C
(39°F)		 13°C
(56°F)		 15°C
(59°F)		 12°C
(55°F)		 8°C
(47°F)		 -1°C
(31°F)		 -9°C
(17°F)		 -13°C
(9°F)
Minimum -28°C
(-18°F)		 -24°C
(-10°F)		 -18°C
(-0°F)		 -8°C
(18°F)		 -0°C
(32°F)		 10°C
(50°F)		 13°C
(56°F)		 12°C
(53°F)		 5°C
(42°F)		 -5°C
(23°F)		 -13°C
(8°F)		 -21°C
(-5°F)

Compare climate in Mansfield with other places

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

Monthly average precipitation in Mansfield, Illinois, United States §

Mansfield usually has the most precipitation in April, May and October, with an average of 12 rainy days and 129 mm (5.1 inches) of precipitation per month.The driest months in Mansfield are January, November and December. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mansfield, 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) 73 (2.9) 74 (2.9) 117 (4.6) 120 (4.7) 146 (5.8) 108 (4.2) 86 (3.4) 100 (4.0) 73 (2.9) 121 (4.8) 70 (2.8) 54 (2.1)
Average precipitation days (≥ 1 mm) 8 10 11 12 15 11 11 11 7 11 8 8

Monthly sunshine hours in Mansfield, Illinois, United States §

The sunniest months in Mansfield are June, July and August, when the sun shines an average of 11 hours 8 minutes a day.Least sunny months in Mansfield: January, February and December receive an average of 5 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mansfield, 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 117 169 219 243 289 336 354 334 292 227 195 189
Mean daily daylight hours 9h 40m 10h 40m 11h 58m 13h 18m 14h 25m 14h 58m 14h 40m 13h 40m 12h 24m 11h 5m 9h 55m 9h 20m

Solar UV radiation in Mansfield, Illinois, United States §

Mansfield 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 Low / 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 Mansfield UV Index data.

Average daily maximum UV levels by month for Mansfield, 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 10 11 10 9 8 6 4 2