Aspen Hill, MD Weather

Aspen Hill, MD 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 85.40 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 23.80 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 17 degrees Fahrenheit.

The annual average precipitation at Aspen Hill is 43.08 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.38 Inches.

Weather Data

Current Conditions

(Updated: 10:52 PM EST MON NOV 23 2009)

Light Rain, 49°F	Humidity: 90%	Dewpoint: 46°F
	Wind Speed: N 10.4 MPH (9 KT)	Heat Index: 49°F
	Barometer: 30.18 in.	Wind Chill: 45°F

Weather Forecast

(Generated: 8:57 PM EST MON NOV 23 2009)

		Tonight: Rain. Areas of drizzle. Lows in the mid 40s. North winds 5 to 10 mph. Chance of rain near 100 percent.
	Lo: 45°F
	Hi: 55°F	Tuesday: A slight chance of rain in the morning. Cloudy with areas of drizzle. Highs in the mid 50s. North winds around 5 mph. Chance of rain 20 percent.
	Lo: 45°F
	Hi: 55°F	Wednesday: Cloudy. Patchy drizzle in the morning...Then a chance of showers in the afternoon. Highs in the mid 50s. Southeast winds around 5 mph. Chance of rain 40 percent.
	Lo: 41°F
	Hi: 59°F	Thanksgiving day: Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s.
	Lo: 39°F
	Hi: 45°F	Friday: Cloudy with a 50 percent chance of showers. Highs in the mid 40s.
	Lo: 39°F
	Hi: 51°F	Saturday: Partly sunny. Highs in the lower 50s.
	Lo: 31°F
	Hi: 51°F	Sunday: Sunny. Highs in the lower 50s.
	Lo: 35°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 6:30 AM EST	Sunrise: 6:59 AM EST
		Sunset: 4:49 PM EST	Civil Twilight: 5:18 PM EST

Normal Climate

Normal Temperatures

(ROCKVILLE 1 NE Weather station, 4.35 miles from Aspen Hill)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	39.7	43.3	52.8	64.1	72.8	81.0	85.4	83.4	76.6	65.8	54.7	44.4	63.7
Mean °F	31.8	34.6	43.2	53.3	62.3	70.7	75.3	73.3	66.5	55.1	45.2	36.3	54.0
Min °F	23.8	25.8	33.6	42.4	51.7	60.3	65.1	63.2	56.3	44.4	35.7	28.1	44.2

Normal Precipitation