American Falls, ID Weather
American Falls, ID 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 86.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 17.50 degrees Fahrenheit.
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 32 degrees Fahrenheit, and fairly limited during winter with an average difference of 16 degrees Fahrenheit.
The annual average precipitation at American Falls is 12.43 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 1.60 Inches.
Weather Data
Current Conditions
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Partly Cloudy, 12°F | Humidity: 87% | Dewpoint: 9°F |
| Wind Speed: CALM | Heat Index: 12°F | ||
| Barometer: 30.47 in. | Wind Chill: 12°F |
Weather Forecast
| Hi: 34°F | Today: Sunny. Highs 30 to 37. Light and variable winds. | |
| Lo: 16°F | ||
| Hi: 39°F | Thanksgiving day: Sunny. Highs 34 to 42. East winds up to 10 mph. | |
| Lo: 23°F | ||
| Hi: 38°F | Friday: Mostly cloudy with a slight chance of rain showers and snow showers. Highs 34 to 41. Light and variable winds. Chance of precipitation 20 percent. | |
| Lo: 22°F | ||
| Hi: 34°F | Saturday: Mostly cloudy with a chance of snow showers. Highs 29 to 37. | |
| Lo: 18°F | ||
| Hi: 35°F | Sunday: Partly cloudy. Highs 29 to 39. Lows 13 to 22. | |
| Lo: 18°F | ||
| Hi: 35°F | Monday: Partly cloudy. Highs 29 to 39. Lows 13 to 22. | |
| Lo: 18°F | ||
| Hi: 35°F | Tuesday: Partly cloudy. Highs 29 to 39. Lows 13 to 22. | |
| Lo: 18°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 7:03 AM MST |
Sunrise: 7:34 AM MST |
| Sunset: 5:01 PM MST |
Civil Twilight: 5:32 PM MST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 32.9 | 39.2 | 49.7 | 60.1 | 68.7 | 78.2 | 86.3 | 85.8 | 75.4 | 61.8 | 44.1 | 33.8 | 59.7 |
| Mean °F | 25.2 | 30.5 | 39.2 | 47.5 | 55.4 | 63.6 | 70.4 | 69.7 | 60.4 | 49.1 | 35.7 | 26.3 | 47.8 |
| Min °F | 17.5 | 21.8 | 28.6 | 34.9 | 42.0 | 48.9 | 54.5 | 53.6 | 45.3 | 36.4 | 27.3 | 18.7 | 35.8 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.10 | 0.97 | 1.35 | 1.20 | 1.60 | 0.95 | 0.61 | 0.60 | 0.84 | 0.95 | 1.20 | 1.06 | 12.43 |

