Merrillville, IN Weather

Merrillville, IN 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 83.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 13.90 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 Merrillville is 38.02 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.47 Inches.

Weather Data

Weather Warnings

Dense fog advisory in effect until 10 am cst this morning .

Current Conditions

(Updated: 5:45 AM CST TUE NOV 24 2009)

Fog And Mist, 39°F	Humidity: 100%	Dewpoint: 39°F
	Wind Speed: SE 8.1 MPH (7 KT)	Heat Index: 39°F
	Barometer: 30.08 in.	Wind Chill: 33°F

Weather Forecast

(Generated: 4:08 AM CST TUE NOV 24 2009)

	Hi: 51°F	Today: Mostly cloudy. Areas of dense fog in the morning. Showers likely in the afternoon. Highs in the lower 50s. Southeast winds 10 to 15 mph. Chance of precipitation 60 percent.
	Lo: 41°F
	Hi: 49°F	Wednesday: Cloudy with a 50 percent chance of light showers. Highs in the upper 40s. Southwest winds 10 to 15 mph.
	Lo: 35°F
	Hi: 41°F	Thanksgiving day: Cloudy with light rain showers and light snow showers likely. Highs in the lower 40s. West winds 10 to 15 mph. Chance of precipitation 60 percent.
	Lo: 31°F
	Hi: 41°F	Friday: Partly sunny with a 20 percent chance of light snow showers. Highs in the lower 40s.
	Lo: 31°F
	Hi: 45°F	Saturday: Partly cloudy. Highs in the mid 40s. Lows in the lower 30s.
	Lo: 31°F
	Hi: 45°F	Sunday: Partly cloudy. Highs in the mid 40s. Lows in the lower 30s.
	Lo: 31°F
	Hi: 45°F	Sunday: Partly cloudy. Highs in the mid 40s. Lows in the lower 30s.
	Lo: 31°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:17 AM CST	Sunrise: 6:47 AM CST
		Sunset: 4:23 PM CST	Civil Twilight: 4:53 PM CST

Normal Climate

Normal Temperatures

(HOBART 2 WNW Weather station, 5.39 miles from Merrillville)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	30.4	35.1	46.6	57.6	69.8	79.8	83.9	81.3	75.6	63.8	48.0	35.7	59.0
Mean °F	22.2	26.4	37.3	47.6	58.8	68.7	73.5	71.3	64.6	52.9	39.4	28.1	49.2
Min °F	13.9	17.7	28.0	37.5	47.8	57.5	63.0	61.3	53.5	42.0	30.8	20.4	39.5

Normal Precipitation