Fairfield, MT Weather
Fairfield, 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 79.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 11.30 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 28 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.
The annual average precipitation at Fairfield is 12.50 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 2.39 Inches.
Weather Data
Current Conditions
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Fair, 46°F | Humidity: 38% | Dewpoint: 22°F |
| Wind Speed: SW 21 MPH G 32 | Heat Index: 46°F | ||
| Barometer: 29.89 in. | Wind Chill: 38°F |
Weather Forecast
| Hi: 45°F | Rest of today: Partly cloudy. Highs around 45. West winds 10 to 20 mph with gusts to 30 mph. | |
| Lo: 23°F | ||
| Hi: 40°F | Sunday: Partly cloudy. Highs around 40. Southwest winds 5 to 15 mph. | |
| Lo: 25°F | ||
| Hi: 55°F | Monday: Sunny. Highs around 55. Southwest winds 10 to 15 mph. | |
| Lo: 28°F | ||
| Hi: 55°F | Tuesday: Partly cloudy. Lows 25 to 30. Highs around 55. | |
| Lo: 28°F | ||
| Hi: 40°F | Wednesday: Mostly cloudy with a chance of rain and snow. Colder. Highs around 40. Chance of precipitation 30 percent. | |
| Lo: 23°F | ||
| Hi: 35°F | Thanksgiving day: Mostly cloudy with a 40 percent chance of snow. Highs around 35. | |
| Lo: 23°F |
Moon, Sunrise and Sunset
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Moon Phase: Waning Crescent Moon | Civil Twilight: 7:08 AM MST |
Sunrise: 7:42 AM MST |
| Sunset: 4:44 PM MST |
Civil Twilight: 5:18 PM MST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 31.7 | 37.6 | 45.4 | 54.9 | 64.1 | 72.1 | 78.7 | 79.6 | 69.6 | 58.5 | 41.5 | 34.3 | 55.7 |
| Mean °F | 21.5 | 26.4 | 33.7 | 42.8 | 52.0 | 59.7 | 64.9 | 65.2 | 55.9 | 45.8 | 31.6 | 24.5 | 43.7 |
| Min °F | 11.3 | 15.1 | 21.9 | 30.7 | 39.9 | 47.2 | 51.1 | 50.8 | 42.1 | 33.1 | 21.6 | 14.7 | 31.6 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 0.38 | 0.29 | 0.59 | 1.11 | 2.39 | 2.07 | 1.54 | 1.55 | 1.19 | 0.69 | 0.37 | 0.33 | 12.50 |

