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Monthly climate in Peoria Heights, Illinois, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Peoria Heights 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 -30 °C (-22 °F) or can rise to as high as 36 °C (96 °F).The average annual precipitation amounts to about 1162 mm (45.8 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually.Peoria Heights enjoys an average of 2933 hours of sunshine throughout the year, and daylight varies from 9 hours 17 minutes to 15 hours 1 minutes per day.

Monthly average temperatures in Peoria Heights, Illinois, United States §

The warmest months in Peoria Heights 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 - 34 °F) throughout the day. On average each year, Peoria Heights experiences 100 days above 25 °C (77.0 °F) and 102 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Peoria Heights, 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 14°C
(58°F)		 22°C
(73°F)		 25°C
(78°F)		 28°C
(83°F)		 35°C
(95°F)		 34°C
(93°F)		 35°C
(95°F)		 36°C
(96°F)		 35°C
(95°F)		 32°C
(89°F)		 24°C
(76°F)		 20°C
(68°F)
Mean maximum 12°C
(54°F)		 16°C
(60°F)		 21°C
(70°F)		 27°C
(81°F)		 31°C
(88°F)		 33°C
(91°F)		 34°C
(93°F)		 33°C
(91°F)		 33°C
(91°F)		 30°C
(86°F)		 18°C
(65°F)		 17°C
(62°F)
Average high 1°C
(34°F)		 3°C
(37°F)		 10°C
(51°F)		 15°C
(60°F)		 22°C
(73°F)		 28°C
(83°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(80°F)		 18°C
(65°F)		 9°C
(48°F)		 6°C
(42°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)		 4°C
(40°F)		 1°C
(34°F)
Average low -7°C
(20°F)		 -6°C
(21°F)		 1°C
(34°F)		 5°C
(42°F)		 13°C
(55°F)		 18°C
(65°F)		 20°C
(69°F)		 18°C
(65°F)		 15°C
(60°F)		 8°C
(48°F)		 -0°C
(32°F)		 -3°C
(27°F)
Mean minimum -21°C
(-6°F)		 -21°C
(-5°F)		 -11°C
(13°F)		 -3°C
(26°F)		 4°C
(39°F)		 13°C
(56°F)		 15°C
(60°F)		 13°C
(56°F)		 8°C
(47°F)		 -1°C
(31°F)		 -10°C
(15°F)		 -13°C
(9°F)
Minimum -30°C
(-22°F)		 -30°C
(-22°F)		 -19°C
(-1°F)		 -8°C
(18°F)		 -1°C
(31°F)		 11°C
(51°F)		 13°C
(56°F)		 12°C
(55°F)		 5°C
(42°F)		 -3°C
(27°F)		 -14°C
(7°F)		 -21°C
(-6°F)

Compare climate in Peoria Heights with other places

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

Monthly average precipitation in Peoria Heights, Illinois, United States §

Peoria Heights usually has the most precipitation in May, June and October, with an average of 13 rainy days and 149 mm (5.9 inches) of precipitation per month.The driest months in Peoria Heights 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 Peoria Heights, 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) 61 (2.4) 67 (2.7) 108 (4.3) 116 (4.6) 167 (6.6) 148 (5.8) 107 (4.2) 74 (2.9) 71 (2.8) 131 (5.2) 57 (2.3) 55 (2.2)
Average precipitation days (≥ 1 mm) 8 11 12 11 16 11 11 9 7 12 8 6

Monthly sunshine hours in Peoria Heights, Illinois, United States §

The sunniest months in Peoria Heights are June, July and August, when the sun shines an average of 11 hours 0 minutes a day.Least sunny months in Peoria Heights: January, February and November receive an average of 5 hours 26 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Peoria Heights, 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 120 175 216 237 276 331 348 332 283 221 193 195
Mean daily daylight hours 9h 37m 10h 39m 11h 58m 13h 19m 14h 27m 15h 1m 14h 43m 13h 42m 12h 24m 11h 3m 9h 53m 9h 17m

Solar UV radiation in Peoria Heights, Illinois, United States §

Peoria Heights 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 4. For more detailed information, check out our hourly Peoria Heights UV Index data.

Average daily maximum UV levels by month for Peoria Heights, 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 7 8 9 11 10 9 8 6 4 2