Banner, IL Weather
Banner, 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 88.40 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 14.00 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 25 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.
The annual average precipitation at Banner is 39.85 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.79 Inches.
Weather Data
Current Conditions
|
Fair, 56°F | Humidity: 62% | Dewpoint: 43°F |
| Wind Speed: SE 5.8 MPH (5 KT) | Heat Index: 56°F | ||
| Barometer: 30.05 in. | Wind Chill: 55°F |
Weather Forecast
 | Tonight: Mostly cloudy. Lows in the lower 40s. Light southeast winds. | |
| Lo: 41°F | ||
 | Hi: 55°F | Tuesday: Chance of rain in the morning...Then rain likely in the afternoon. Highs in the mid 50s. Southeast winds 10 to 15 mph. Chance of precipitation 70 percent. |
| Lo: 39°F | ||
 | Hi: 45°F | Wednesday: Mostly cloudy. Highs in the mid 40s. West winds 10 to 15 mph. |
| Lo: 31°F | ||
 | Hi: 39°F | Thanksgiving day: Mostly cloudy with a 30 percent chance of snow. Highs in the upper 30s. |
| Lo: 30°F | ||
 | Hi: 45°F | Friday: Partly cloudy. Highs in the mid 40s. Lows around 30. |
| Lo: 31°F | ||
| Hi: 50°F | Saturday: Partly cloudy. Highs around 50. Lows in the lower 30s. |
| Lo: 31°F | ||
 | Hi: 45°F | Sunday: Mostly sunny. Highs in the mid 40s. |
| Lo: 31°F |
Moon, Sunrise and Sunset
 |
Moon Phase: First Quarter Moon | Civil Twilight: 6:24 AM CST |
Sunrise: 6:54 AM CST |
| Sunset: 4:36 PM CST |
Civil Twilight: 5:06 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 31.9 | 38.0 | 50.2 | 63.0 | 74.0 | 84.0 | 88.4 | 86.4 | 79.9 | 67.6 | 50.9 | 37.2 | 62.6 |
| Mean °F | 23.0 | 28.6 | 40.0 | 51.7 | 62.4 | 72.2 | 76.2 | 73.8 | 66.1 | 54.1 | 40.6 | 28.3 | 51.4 |
| Min °F | 14.0 | 19.2 | 29.7 | 40.3 | 50.8 | 60.4 | 63.9 | 61.2 | 52.3 | 40.5 | 30.2 | 19.4 | 40.2 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.37 | 1.90 | 3.06 | 4.01 | 4.79 | 4.32 | 4.44 | 3.64 | 3.55 | 3.03 | 3.32 | 2.42 | 39.85 |
