Peoria, IL Weather

Peoria, IL climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 85.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 14.30 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.

The annual average precipitation at Peoria is 36.03 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.17 Inches.

Weather Data

Weather Warnings

Dense fog advisory in effect until 9 am cst Saturday .

Current Conditions

(Updated: 9:54 PM CST FRI NOV 20 2009)

Fog And Mist, 38°F	Humidity: 89%	Dewpoint: 35°F
	Wind Speed: CALM	Heat Index: 38°F
	Barometer: 30.18 in.	Wind Chill: 38°F

Weather Forecast

(Generated: 9:37 PM CST FRI NOV 20 2009)

		Tonight: Mostly clear with areas of dense fog after midnight. Lows in the lower 30s. Light winds.
	Lo: 31°F
	Hi: 55°F	Saturday: Areas of dense fog in the morning. Mostly sunny. Highs in the mid 50s. Southeast winds 5 to 10 mph.
	Lo: 39°F
	Hi: 55°F	Sunday: Partly sunny. Highs in the mid 50s. Southeast winds 5 to 10 mph.
	Lo: 40°F
	Hi: 55°F	Monday: Partly sunny. Highs in the mid 50s.
	Lo: 41°F
	Hi: 49°F	Tuesday: Mostly cloudy with a 40 percent chance of rain. Highs in the upper 40s.
	Lo: 31°F
	Hi: 45°F	Wednesday: Mostly cloudy. Lows in the lower 30s. Highs in the mid 40s.
	Lo: 31°F
	Hi: 45°F	Thursday: Mostly cloudy. Lows in the lower 30s. Highs in the mid 40s.
	Lo: 31°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 6:20 AM CST	Sunrise: 6:50 AM CST
		Sunset: 4:36 PM CST	Civil Twilight: 5:06 PM CST

Normal Climate

Normal Temperatures

(PEORIA GTR PEORIA AP Weather station, 5.05 miles from Peoria)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	30.7	36.6	49.4	62.0	73.0	82.2	85.7	83.6	76.7	64.4	48.8	35.5	60.7
Mean °F	22.5	28.2	39.8	51.2	61.9	71.1	75.1	73.1	65.4	53.4	40.1	27.8	50.8
Min °F	14.3	19.7	30.2	40.3	50.8	60.1	64.6	62.6	54.0	42.3	31.4	20.1	40.9

Normal Precipitation