Alto Pass, IL Weather
Alto Pass, 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 30's.
The warmest month of the year is July with an average maximum temperature of 89.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 22.50 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 24 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.
The annual average precipitation at Alto Pass is 48.30 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 5.22 Inches.
Weather Data
Current Conditions
|
Partly Cloudy, 56°F | Humidity: 29% | Dewpoint: 24°F |
| Wind Speed: W 11.5 MPH G 19.6 (10 MPH G 17 KT) | Heat Index: 56°F | ||
| Barometer: 29.98 in. | Wind Chill: 53°F |
Weather Forecast
 | Tonight: Partly cloudy. Lows in the mid 30s. West winds 5 to 10 mph. | |
| Lo: 35°F | ||
 | Hi: 41°F | Thanksgiving day: Mostly cloudy. Highs in the lower 40s. Northwest winds 10 to 15 mph. |
| Lo: 29°F | ||
 | Hi: 51°F | Friday: Sunny. Highs in the lower 50s. Southwest winds 5 to 10 mph. |
| Lo: 35°F | ||
| Hi: 59°F | Saturday: Mostly sunny. Highs in the upper 50s. |
| Lo: 41°F | ||
 | Hi: 55°F | Sunday: Mostly cloudy with a 40 percent chance of rain. Highs in the mid 50s. |
| Lo: 41°F | ||
 | Hi: 49°F | Monday: Cloudy with a 50 percent chance of rain. Highs in the upper 40s. |
| Lo: 39°F | ||
| Hi: 49°F | Tuesday: Partly sunny. Highs in the upper 40s. |
| Lo: 31°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:18 AM CST |
Sunrise: 6:46 AM CST |
| Sunset: 4:40 PM CST |
Civil Twilight: 5:09 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 42.4 | 49.1 | 59.5 | 69.8 | 78.1 | 86.1 | 89.5 | 88.5 | 81.6 | 71.6 | 57.9 | 46.2 | 68.4 |
| Mean °F | 32.5 | 37.8 | 47.3 | 57.1 | 65.8 | 73.9 | 77.7 | 76.1 | 68.9 | 58.2 | 46.9 | 36.5 | 56.6 |
| Min °F | 22.5 | 26.5 | 35.0 | 44.4 | 53.4 | 61.7 | 65.9 | 63.7 | 56.2 | 44.7 | 35.9 | 26.7 | 44.7 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 3.59 | 3.42 | 4.73 | 4.70 | 5.22 | 4.23 | 3.26 | 3.58 | 3.13 | 3.38 | 4.76 | 4.30 | 48.30 |
