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Barstow, CA Weather


Barstow, CA climate is hot during summer when temperatures tend to be in the 80's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is July with an average maximum temperature of 99.99 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 33.20 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 34 degrees Fahrenheit, and moderate during winter with an average difference of 28 degrees Fahrenheit.

The annual average precipitation at Barstow is 4.33 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is January with an average rainfall of 0.92 Inches.

Weather Data

Current Conditions

(Updated: 8:51 PM PST SUN NOV 22 2009)

Fair Fair, 53°F Humidity: 45% Dewpoint: 32°F
Wind Speed: W 8.1 MPH (7 KT) Heat Index: 53°F
Barometer: 30.02 in. Wind Chill: 50°F

Weather Forecast

(Generated: 3:00 PM PST SUN NOV 22 2009)
  Tonight: Mostly clear. Lows in the upper 30s. West wind around 10 mph.
Lo: 39°F
Hi: 69°F Monday: Sunny. Highs in the upper 60s. Light wind becoming northeast around 10 mph in the afternoon.
Lo: 39°F
Hi: 69°F Tuesday: Sunny. Highs in the upper 60s. West wind around 10 mph shifting to the northeast in the afternoon.
Lo: 39°F
Hi: 69°F Wednesday: Sunny. Highs in the upper 60s.
Lo: 39°F
Hi: 71°F Thanksgiving day: Sunny. Highs in the lower 70s.
Lo: 40°F
Hi: 70°F Friday: Sunny. Highs around 70.
Lo: 39°F
Hi: 65°F Saturday: Mostly sunny. Highs in the mid 60s.
Lo: 39°F

Moon, Sunrise and Sunset

Waxing Crescent Moon Moon Phase: Waxing Crescent Moon Civil Twilight:
6:01 AM PST
Sunrise:
6:28 AM PST
Sunset:
4:39 PM PST
Civil Twilight:
5:06 PM PST

Normal Climate

Normal Temperatures

(BARSTOW FIRE STATION Weather station, 1.29 miles from Barstow)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 61.7 66.3 71.4 78.9 87.2 97.3 102.7 101.4 94.8 83.7 69.8 61.6 81.4
Mean °F 47.9 52.2 56.8 63.2 70.8 79.8 85.6 84.3 78.1 67.4 55.0 47.4 65.7
Min °F 34.0 38.1 42.1 47.4 54.3 62.2 68.5 67.1 61.3 51.1 40.2 33.2 50.0

Normal Precipitation

(BARSTOW FIRE STATION Weather station, 1.29 miles from Barstow)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 0.92 0.82 0.61 0.14 0.07 0.05 0.23 0.22 0.25 0.18 0.37 0.47 4.33