Coulee City, WA Weather

Coulee City, 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 20's.

The warmest month of the year is July with an average maximum temperature of 87.10 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 19.80 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 32 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.

The annual average precipitation at Coulee City is 10.45 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is December with an average rainfall of 1.41 Inches.

Weather Data

Current Conditions

(Updated: 11:53 PM PST MON NOV 23 2009)

Mostly Cloudy, 37°F	Humidity: 89%	Dewpoint: 34°F
	Wind Speed: N 5.8 MPH (5 KT)	Heat Index: 37°F
	Barometer: 30.26 in.	Wind Chill: 32°F

Weather Forecast

(Generated: 7:19 PM PST MON NOV 23 2009)

		Tonight: Cloudy. A chance of rain or snow. Snow level around 2500 feet. Lows in the lower to mid 30s. Southeast wind 5 to 10 mph. Chance of precipitation 30 percent.
	Lo: 33°F
	Hi: 43°F	Tuesday: Mostly cloudy. Highs in the lower to mid 40s. Light wind.
	Lo: 33°F
	Hi: 43°F	Wednesday: Mostly cloudy. Highs in the lower to mid 40s. Light wind.
	Lo: 31°F
	Hi: 40°F	Thanksgiving day: Mostly cloudy. Patchy fog. Highs in the upper 30s to lower 40s.
	Lo: 33°F
	Hi: 43°F	Friday: Mostly cloudy. A 20 percent chance of rain. Lows in the lower to mid 30s. Highs in the lower to mid 40s.
	Lo: 30°F
	Hi: 40°F	Saturday: Mostly cloudy. Lows in the upper 20s to lower 30s. Highs in the upper 30s to lower 40s.
	Lo: 30°F
	Hi: 40°F	Saturday: Mostly cloudy. Lows in the upper 20s to lower 30s. Highs in the upper 30s to lower 40s.
	Lo: 30°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:40 AM PST	Sunrise: 7:14 AM PST
		Sunset: 4:12 PM PST	Civil Twilight: 4:46 PM PST

Normal Climate

Normal Temperatures

(HARTLINE Weather station, 9.27 miles from Coulee City)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	33.2	40.4	51.6	62.0	71.1	78.9	87.1	86.6	77.5	62.3	43.3	33.5	60.6
Mean °F	26.5	32.5	41.2	49.0	56.9	63.8	71.2	70.9	62.3	49.5	35.5	27.2	48.9
Min °F	19.8	24.5	30.8	35.9	42.6	48.7	55.2	55.1	47.1	36.6	27.6	20.9	37.1

Normal Precipitation