Boise, ID Weather
Boise, 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 30's.
The warmest month of the year is July with an average maximum temperature of 89.20 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 23.60 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 29 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.
The annual average precipitation at Boise is 12.19 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is March with an average rainfall of 1.41 Inches.
Weather Data
Current Conditions
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Fair, 56°F | Humidity: 70% | Dewpoint: 46°F |
| Wind Speed: NW 12 MPH | Heat Index: 56°F | ||
| Barometer: 30.31 in. | Wind Chill: 53°F |
Weather Forecast
| Hi: 80°F | Today: Sunny...Warmer. Highs 77 to 82. Northwest winds 10 to 15 mph with gusts to around 25 mph. | |
| Lo: 52°F | ||
| Hi: 86°F | Friday: Sunny. Highs 83 to 88. East winds 10 to 15 mph. | |
| Lo: 55°F | ||
| Hi: 92°F | Saturday: Sunny. Highs 88 to 94. Light winds. | |
| Lo: 57°F | ||
| Hi: 92°F | Sunday: Sunny. Highs 88 to 94. | |
| Lo: 56°F | ||
| Hi: 88°F | Monday: Sunny. Highs 84 to 90. | |
| Lo: 51°F | ||
| Hi: 85°F | Tuesday: Partly cloudy. Lows 45 to 55. Highs 79 to 89. | |
| Lo: 51°F | ||
| Hi: 85°F | Wednesday: Partly cloudy. Lows 45 to 55. Highs 79 to 89. | |
| Lo: 51°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 5:46 AM MDT |
Sunrise: 6:19 AM MDT |
| Sunset: 9:02 PM MDT |
Civil Twilight: 9:35 PM MDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 36.7 | 44.5 | 53.6 | 61.7 | 70.7 | 80.3 | 89.2 | 88.0 | 77.2 | 64.3 | 47.5 | 37.2 | 62.6 |
| Mean °F | 30.2 | 36.7 | 43.8 | 50.6 | 58.6 | 67.2 | 74.7 | 73.9 | 64.2 | 52.8 | 39.9 | 30.6 | 51.9 |
| Min °F | 23.6 | 28.8 | 34.0 | 39.4 | 46.6 | 54.2 | 60.3 | 59.8 | 51.2 | 41.3 | 32.4 | 24.1 | 41.3 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.39 | 1.14 | 1.41 | 1.27 | 1.27 | 0.74 | 0.39 | 0.30 | 0.76 | 0.76 | 1.38 | 1.38 | 12.19 |

