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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

(Updated: 9:54 PM PST THU NOV 5 2009)

Overcast Overcast, 53°F Humidity: 96% Dewpoint: 52°F
Wind Speed: CALM Heat Index: 53°F
Barometer: 30.10 in. Wind Chill: 53°F

Weather Forecast

(Generated: 4:00 PM PST THU NOV 05 2009)
  Tonight: Mostly cloudy. A chance of showers. Lows in the lower 50s. South winds 5 to 15 mph.
Lo: 51°F
Hi: 65°F Friday: Mostly cloudy. A chance of showers. Highs in the 60s. Southwest winds 5 to 10 mph.
Lo: 49°F
Hi: 66°F Saturday: Partly cloudy. Highs in the 60s to lower 70s. Northwest winds 5 to 15 mph.
Lo: 45°F
Hi: 66°F Sunday: Partly cloudy. Highs in the 60s to lower 70s.
Lo: 43°F
Hi: 66°F Monday: Partly cloudy. Lows in the lower to mid 40s. Highs in the 60s to lower 70s.
Lo: 45°F
Hi: 66°F Tuesday: Mostly cloudy. A slight chance of showers. Highs in the mid 60s to lower 70s.
Lo: 45°F
Hi: 70°F Veterans day: Partly cloudy. Highs in the upper 60s to mid 70s.
Lo: 43°F

Moon, Sunrise and Sunset

Waning Gibbous Moon Moon Phase: Waning Gibbous Moon Civil Twilight:
6:11 AM PST
Sunrise:
6:38 AM PST
Sunset:
5:05 PM PST
Civil Twilight:
5:33 PM PST

Normal Climate

Normal Temperatures

(NAPA STATE HOSPITAL Weather station, 7.28 miles from American Canyon)
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

(NAPA STATE HOSPITAL Weather station, 7.28 miles from American Canyon)
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