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Mullan, ID Weather


Mullan, ID 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 August with an average maximum temperature of 79.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 19.80 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 30 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.

The annual average precipitation at Mullan is 39.22 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is November with an average rainfall of 5.30 Inches.

Weather Data

Normal Climate

Normal Temperatures

(WALLACE WOODLAND PARK Weather station, 5.61 miles from Mullan)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 33.6 38.9 46.0 54.7 63.1 70.0 78.3 79.3 69.6 57.2 40.7 33.3 55.4
Mean °F 26.7 30.8 36.6 43.7 51.1 57.6 63.6 63.9 55.2 45.2 34.1 27.1 44.6
Min °F 19.8 22.6 27.1 32.7 39.0 45.2 48.9 48.4 40.7 33.2 27.5 20.9 33.8

Normal Precipitation

(WALLACE WOODLAND PARK Weather station, 5.61 miles from Mullan)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 5.12 4.10 3.68 2.91 3.01 2.61 1.41 1.37 1.75 2.71 5.30 5.25 39.22