nomadseason

Monthly climate in Lexington, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Lexington features a humid continental climate (Dfa).Temperatures typically range between -3 °C (27 °F) and 25 °C (77 °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 1122 mm (44.2 inches) and receives 127 rainy days on the 1 mm (0.04 inches) threshold annually.Lexington enjoys an average of 2921 hours of sunshine throughout the year, and daylight varies from 9 hours 18 minutes to 15 hours 1 minutes per day.

Monthly average temperatures in Lexington, Illinois, United States §

The warmest months in Lexington 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 -3 to 1 °C (27 - 35 °F) throughout the day. On average each year, Lexington experiences 103 days above 25 °C (77.0 °F) and 103 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lexington, 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 16°C
(61°F)		 23°C
(73°F)		 26°C
(79°F)		 29°C
(85°F)		 35°C
(96°F)		 34°C
(94°F)		 35°C
(95°F)		 36°C
(96°F)		 35°C
(95°F)		 32°C
(90°F)		 25°C
(76°F)		 19°C
(67°F)
Mean maximum 13°C
(56°F)		 16°C
(61°F)		 21°C
(70°F)		 28°C
(82°F)		 32°C
(89°F)		 33°C
(91°F)		 34°C
(93°F)		 33°C
(91°F)		 33°C
(91°F)		 30°C
(86°F)		 19°C
(66°F)		 17°C
(63°F)
Average high 1°C
(34°F)		 3°C
(37°F)		 10°C
(51°F)		 16°C
(61°F)		 23°C
(73°F)		 28°C
(83°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(80°F)		 19°C
(66°F)		 9°C
(49°F)		 6°C
(43°F)
Daily mean -3°C
(27°F)		 -2°C
(29°F)		 5°C
(42°F)		 10°C
(51°F)		 18°C
(64°F)		 23°C
(74°F)		 25°C
(77°F)		 23°C
(74°F)		 21°C
(70°F)		 13°C
(56°F)		 5°C
(41°F)		 1°C
(35°F)
Average low -7°C
(20°F)		 -7°C
(21°F)		 0°C
(33°F)		 5°C
(42°F)		 13°C
(55°F)		 18°C
(65°F)		 20°C
(68°F)		 18°C
(65°F)		 15°C
(60°F)		 9°C
(48°F)		 0°C
(32°F)		 -3°C
(27°F)
Mean minimum -21°C
(-5°F)		 -21°C
(-5°F)		 -11°C
(13°F)		 -4°C
(25°F)		 4°C
(39°F)		 13°C
(55°F)		 15°C
(59°F)		 12°C
(54°F)		 8°C
(46°F)		 -1°C
(31°F)		 -9°C
(16°F)		 -13°C
(9°F)
Minimum -30°C
(-22°F)		 -31°C
(-23°F)		 -19°C
(-1°F)		 -8°C
(17°F)		 -0°C
(32°F)		 10°C
(50°F)		 13°C
(57°F)		 11°C
(52°F)		 5°C
(41°F)		 -5°C
(24°F)		 -14°C
(8°F)		 -21°C
(-5°F)

Compare climate in Lexington with other places

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

Monthly average precipitation in Lexington, Illinois, United States §

Lexington usually has the most precipitation in May, June and October, with an average of 13 rainy days and 134 mm (5.3 inches) of precipitation per month.The driest months in Lexington are January, November and December. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lexington, 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) 62 (2.4) 68 (2.7) 106 (4.2) 114 (4.5) 157 (6.2) 120 (4.7) 96 (3.8) 92 (3.6) 69 (2.7) 125 (4.9) 59 (2.3) 54 (2.1)
Average precipitation days (≥ 1 mm) 7 10 12 12 16 12 12 10 8 12 9 7

Monthly sunshine hours in Lexington, Illinois, United States §

The sunniest months in Lexington are June, July and August, when the sun shines an average of 10 hours 57 minutes a day.Least sunny months in Lexington: January, February and December receive an average of 5 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lexington, 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 118 172 218 238 277 330 347 329 284 220 192 190
Mean daily daylight hours 9h 37m 10h 39m 11h 58m 13h 19m 14h 27m 15h 1m 14h 42m 13h 41m 12h 24m 11h 4m 9h 53m 9h 18m

Solar UV radiation in Lexington, Illinois, United States §

Lexington 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 Lexington UV Index data.

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