Niwot, CO Weather

Niwot, CO 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 88.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 12.00 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 34 degrees Fahrenheit, and relatively big during winter with an average difference of 30 degrees Fahrenheit.

The annual average precipitation at Niwot is 14.15 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 2.41 Inches.

Weather Data

Weather Warnings

Winter storm warning in effect until midnight mdt tonight .

Current Conditions

(Updated: 7:47 PM MDT FRI MAR 19 2010)

Light Snow, 23°F	Humidity: 93%	Dewpoint: 21°F
	Wind Speed: N 5.8 MPH (5 KT)	Heat Index: 23°F
	Barometer: 30.23 in.	Wind Chill: 16°F

Weather Forecast

(Generated: 6:24 PM MDT FRI MAR 19 2010)

		Tonight: Snow likely in the evening...Then a slight chance of snow after midnight. Areas of fog after midnight. New snow accumulation up to 3 inches. Lows around 13. Northeast winds 10 to 20 mph in the evening becoming light. Chance of snow 70 percent.
	Lo: 13°F
	Hi: 31°F	Saturday: Mostly sunny. Patchy fog in the morning. Highs in the lower 30s.
	Lo: 21°F
	Hi: 51°F	Sunday: Sunny. Highs in the lower 50s.
	Lo: 37°F
	Hi: 61°F	Monday: Partly cloudy. Highs in the lower 60s. Lows 33 to 39.
	Lo: 30°F
	Hi: 55°F	Tuesday: Mostly cloudy. A 30 percent chance of rain and snow. Highs in the mid 50s. Lows around 30.
	Lo: 25°F
	Hi: 39°F	Wednesday: Mostly cloudy with a 40 percent chance of snow. Colder. Highs in the upper 30s. Lows in the mid 20s.
	Lo: 34°F
	Hi: 49°F	Thursday: Partly cloudy. Highs in the upper 40s. Lows 30 to 36.
	Lo: 34°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 6:38 AM MDT	Sunrise: 7:05 AM MDT
		Sunset: 7:11 PM MDT	Civil Twilight: 7:38 PM MDT

Normal Climate

Normal Temperatures

(LONGMONT 2 ESE Weather station, 7.00 miles from Niwot)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	42.1	46.6	54.4	62.2	71.9	83.0	88.9	86.9	78.3	66.8	51.3	43.7	64.7
Mean °F	27.1	31.9	39.4	47.0	57.0	66.8	72.2	70.2	61.2	49.7	36.5	28.6	49.0
Min °F	12.0	17.2	24.3	31.8	42.1	50.6	55.4	53.4	44.1	32.5	21.6	13.5	33.2

Normal Precipitation