Carter, MT Weather
Carter, MT climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is August with an average maximum temperature of 83.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 7.40 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 moderate during winter with an average difference of 23 degrees Fahrenheit.
The annual average precipitation at Carter is 12.41 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 2.18 Inches.
Weather Data
Current Conditions
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Fair, 48°F | Humidity: 27% | Dewpoint: 15°F |
| Wind Speed: SW 19.6 MPH G 38.0 (17 MPH G 33 KT) | Heat Index: 48°F | ||
| Barometer: 29.64 in. | Wind Chill: 41°F |
Weather Forecast
| Hi: 43°F | Rest of today: Mostly cloudy. Windy. Highs 40 to 45. West winds 20 to 30 mph with gusts to 45 mph. | |
| Lo: 25°F | ||
| Hi: 43°F | Sunday: Mostly cloudy. Highs 40 to 45. South winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. | |
| Lo: 28°F | ||
| Hi: 43°F | Monday: Partly cloudy. Highs 40 to 45. Southwest winds 15 to 25 mph with gusts to 35 mph. | |
| Lo: 28°F | ||
| Hi: 48°F | Tuesday: Mostly cloudy with a 20 percent chance of rain showers. Highs 45 to 50. | |
| Lo: 31°F | ||
| Hi: 51°F | Wednesday: Partly cloudy. Lows 25 to 35. Highs 45 to 55. | |
| Lo: 31°F | ||
| Hi: 51°F | Thursday: Partly cloudy. Lows 25 to 35. Highs 45 to 55. | |
| Lo: 31°F | ||
| Hi: 51°F | Thursday: Partly cloudy. Lows 25 to 35. Highs 45 to 55. | |
| Lo: 31°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Crescent Moon | Civil Twilight: 7:03 AM MST |
Sunrise: 7:37 AM MST |
| Sunset: 4:40 PM MST |
Civil Twilight: 5:15 PM MST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 29.6 | 36.4 | 44.5 | 55.7 | 65.9 | 75.6 | 83.4 | 83.6 | 71.6 | 59.4 | 40.8 | 32.8 | 56.6 |
| Mean °F | 18.5 | 24.5 | 32.4 | 43.0 | 52.8 | 61.3 | 67.4 | 67.4 | 56.9 | 45.8 | 30.0 | 22.7 | 43.6 |
| Min °F | 7.4 | 12.5 | 20.2 | 30.2 | 39.6 | 46.9 | 51.3 | 51.1 | 42.1 | 32.2 | 19.2 | 12.5 | 30.4 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 0.40 | 0.35 | 0.73 | 1.00 | 2.18 | 1.90 | 1.43 | 1.66 | 1.18 | 0.76 | 0.48 | 0.34 | 12.41 |

