Butler, PA Weather

Butler, PA climate is mild during summer when temperatures tend to be in the 60'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 81.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 16.00 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 24 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Butler is 42.41 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 4.47 Inches.

Weather Data

Current Conditions

(Updated: 8:55 AM EST SUN NOV 23 2008)

Fair, 21°F	Humidity: 74%	Dewpoint: 14°F
	Wind Speed: CALM	Heat Index: 21°F
	Barometer: 30.43 in.	Wind Chill: 21°F

Weather Forecast

(Generated: 3:21 AM EST SUN NOV 23 2008)

	Hi: 35°F	Today: Mostly sunny. Highs in the mid 30s. Southwest winds 5 to 10 mph.
	Lo: 25°F
	Hi: 39°F	Monday: Mostly cloudy. Rain in the afternoon. Highs in the upper 30s. South winds 5 to 10 mph. Chance of rain 90 percent.
	Lo: 29°F
	Hi: 35°F	Tuesday: Snow showers. Light snow accumulation. Highs in the mid 30s. West winds 10 to 15 mph. Chance of snow 80 percent.
	Lo: 25°F
	Hi: 31°F	Wednesday: Snow showers likely. Additional light snow accumulation possible. Highs in the lower 30s. Lows in the mid 20s. Chance of snow 60 percent.
	Lo: 25°F
	Hi: 35°F	Thanksgiving day: Mostly cloudy with a 50 percent chance of snow showers. Highs in the mid 30s.
	Lo: 25°F
	Hi: 39°F	Friday: Mostly cloudy. Highs in the upper 30s. Lows in the mid 20s.
	Lo: 25°F

Moon, Sunrise and Sunset

	Moon Phase: Waning Crescent Moon	Civil Twilight: 6:45 AM EST	Sunrise: 7:15 AM EST
		Sunset: 4:55 PM EST	Civil Twilight: 5:25 PM EST

Normal Climate

Normal Temperatures

(BUTLER 2 SW Weather station, 1.49 miles from Butler)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	33.9	37.5	47.2	59.2	69.8	78.1	81.7	80.2	73.3	61.9	49.7	38.7	59.3
Mean °F	25.0	27.3	36.0	46.4	56.8	65.6	69.7	68.3	61.2	49.7	39.9	30.3	48.0
Min °F	16.0	17.0	24.7	33.6	43.7	53.1	57.6	56.4	49.1	37.4	30.0	21.9	36.7

Normal Precipitation