Capitol Heights, MD Weather

Capitol Heights, 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 88.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 24.00 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 22 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.

The annual average precipitation at Capitol Heights is 43.70 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 4.29 Inches.

Weather Data

Weather Forecast

(Generated: 10:42 AM EST WED NOV 25 2009)

	Hi: 55°F	Rest of today: Cloudy. A chance of rain with areas of drizzle late this morning...Then patchy drizzle with a slight chance of rain this afternoon. Areas of fog late this morning...Then patchy fog this afternoon. Highs in the mid 50s. Southeast winds around 5 mph... Becoming south this afternoon. Chance of rain 50 percent.
	Lo: 41°F
	Hi: 59°F	Thanksgiving day: Mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 50s. North winds around 5 mph... Becoming northeast around 5 mph in the afternoon. Chance of rain 20 percent.
	Lo: 39°F
	Hi: 49°F	Friday: Mostly cloudy with a 40 percent chance of showers. Highs in the upper 40s. West winds 15 to 20 mph with gusts up to 30 mph.
	Lo: 35°F
	Hi: 51°F	Saturday: Mostly sunny. Highs in the lower 50s.
	Lo: 35°F
	Hi: 55°F	Sunday: Mostly sunny. Highs in the mid 50s.
	Lo: 39°F
	Hi: 59°F	Monday: Partly sunny. Highs in the upper 50s.
	Lo: 41°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:31 AM EST	Sunrise: 7:00 AM EST
		Sunset: 4:48 PM EST	Civil Twilight: 5:17 PM EST

Normal Climate

Normal Temperatures

(NATIONAL ARBORETUM DC Weather station, 3.59 miles from Capitol Heights)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	43.0	46.4	55.3	66.0	75.8	84.4	88.9	87.4	80.4	69.0	58.0	47.7	66.9
Mean °F	33.5	36.2	44.4	54.1	64.1	73.1	77.9	76.1	68.7	56.6	46.9	38.0	55.8
Min °F	24.0	26.0	33.4	42.2	52.4	61.8	66.9	64.8	56.9	44.1	35.7	28.2	44.7

Normal Precipitation