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Asotin, WA Weather


Asotin, WA climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.

The warmest month of the year is July with an average maximum temperature of 87.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 28.00 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 13 degrees Fahrenheit.

The annual average precipitation at Asotin is 12.74 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 1.56 Inches.

Weather Data

Current Conditions

(Updated: 10:56 AM PST SUN NOV 22 2009)

Overcast Overcast, 46°F Humidity: 56% Dewpoint: 31°F
Wind Speed: S 15.0 MPH (13 KT) Heat Index: 46°F
Barometer: 29.69 in. Wind Chill: 40°F

Weather Forecast

(Generated: 11:39 AM PST SUN NOV 22 2009)
Hi: 45°F Rest of today: Rain or snow showers likely. Snow accumulation up to 1 inch. Total snow accumulation up to 2 inches above 2500 feet. Highs in the 40s. Windy. Southwest wind 5 to 15 mph in the morning increasing to 20 to 30 mph in the afternoon. Gusts up to 45 mph. Chance of precipitation 70 percent.
Lo: 31°F
Hi: 45°F Monday: Mostly cloudy. Highs in the 40s.
Lo: 31°F
Hi: 46°F Tuesday: Partly sunny with a 20 percent chance of rain showers. Snow level 3000 feet in the morning. Highs in the lower 40s to lower 50s.
Lo: 30°F
Hi: 45°F Wednesday: Partly cloudy. Lows in the upper 20s to mid 30s. Highs in the 40s.
Lo: 30°F
Hi: 45°F Wednesday: Partly cloudy. Lows in the upper 20s to mid 30s. Highs in the 40s.
Lo: 30°F
Hi: 45°F Thanksgiving day: Partly sunny. Patchy fog. Highs in the 40s.
Lo: 33°F
Hi: 45°F Friday: Mostly cloudy with a 40 percent chance of rain showers. Highs in the 40s.
Lo: 30°F

Moon, Sunrise and Sunset

Waxing Crescent Moon Moon Phase: Waxing Crescent Moon Civil Twilight:
6:25 AM PST
Sunrise:
6:58 AM PST
Sunset:
4:09 PM PST
Civil Twilight:
4:42 PM PST

Normal Climate

Normal Temperatures

(LEWISTON AP Weather station, 2.48 miles from Asotin)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 39.4 45.6 53.8 61.6 70.0 78.0 87.6 87.6 76.7 62.0 46.8 39.2 62.4
Mean °F 33.7 38.4 44.7 51.1 58.5 65.8 73.5 73.4 63.8 51.6 40.4 33.9 52.4
Min °F 28.0 31.2 35.6 40.6 47.0 53.6 59.3 59.3 50.9 41.2 34.1 28.5 42.4

Normal Precipitation

(LEWISTON AP Weather station, 2.48 miles from Asotin)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.14 0.95 1.12 1.31 1.56 1.16 0.72 0.75 0.81 0.96 1.21 1.05 12.74