American Canyon, CA Weather
American Canyon, CA climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is July with an average maximum temperature of 82.60 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 38.60 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 28 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.
The annual average precipitation at American Canyon is 26.46 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 5.35 Inches.
Weather Data
Current Conditions
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Overcast, 48°F | Humidity: 96% | Dewpoint: 47°F |
| Wind Speed: N 3.5 MPH (3 KT) | Heat Index: 48°F | ||
| Barometer: 30.14 in. | Wind Chill: 48°F |
Weather Forecast
| Hi: 59°F | Rest of today: Showers likely early in the morning...Then a chance of showers. Highs in the upper 50s. Southwest winds 5 to 10 mph. | |
| Lo: 40°F | ||
| Hi: 63°F | Monday: Mostly sunny. Highs in the lower to mid 60s. Northwest winds 5 to 10 mph. | |
| Lo: 40°F | ||
| Hi: 69°F | Tuesday: Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph in the morning...Becoming light. | |
| Lo: 41°F | ||
| Hi: 65°F | Wednesday: Sunny. Highs in the mid 60s. | |
| Lo: 43°F | ||
| Hi: 61°F | Thanksgiving day: Mostly clear. Lows in the lower to mid 40s. Highs in the lower 60s. | |
| Lo: 41°F | ||
| Hi: 61°F | Friday: Partly cloudy. Lows in the lower 40s. Highs in the lower 60s. | |
| Lo: 43°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:28 AM PST |
Sunrise: 6:57 AM PST |
| Sunset: 4:52 PM PST |
Civil Twilight: 5:21 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 56.6 | 61.8 | 65.4 | 70.5 | 75.4 | 80.5 | 82.6 | 82.4 | 81.8 | 76.4 | 64.1 | 56.8 | 71.2 |
| Mean °F | 47.9 | 51.8 | 54.3 | 57.6 | 62.1 | 66.6 | 68.6 | 68.5 | 67.5 | 62.7 | 53.5 | 47.7 | 59.1 |
| Min °F | 39.2 | 41.8 | 43.1 | 44.7 | 48.8 | 52.6 | 54.5 | 54.5 | 53.1 | 49.0 | 42.9 | 38.6 | 46.9 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 5.35 | 5.03 | 4.09 | 1.45 | 0.78 | 0.16 | 0.05 | 0.11 | 0.41 | 1.43 | 3.72 | 3.88 | 26.46 |

