Humidity Levels in Montana During August





The average humidity in August is listed below for places in Montana. The tables give daily averages along with highest and lowest relative humidity levels.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

All the numbers here are averages for the years 1961 to 1990.

Average Humidity

In this table, the Daily number is the average of humidity readings taken every three hours throughout the day. Morning percentages are for 8 am and Afternoon measures are for 5 pm local standard time.

Average relative humidity (%) in August
Daily Place Morning Afternoon
45 Billings 56 30
49 Glasgow 57 31
46 Great Falls 53 31
48 Helena 57 30
58 Kalispell 66 35
45 Miles City 54 29
53 Missoula 67 32

Highest and Lowest Humidity

Below are the averages during August for maximum and minimum humidity levels in Montana. The hours when this month's highest and lowest humidity readings usually occur are given in local standard time.

Daily high and low relative humidity (%) averages in August
High Time Place Low Time
61.0 5 am Billings 29.2 2 pm
67.9 5 am Glasgow 30.8 5 pm
63.7 5 am Great Falls 30.5 5 pm
66.5 5 am Helena 30.1 5 pm
80.7 5 am Kalispell 35.4 5 pm
64.7 5 am Miles City 29.1 5 pm
75.3 5 am Missoula 31.6 5 pm
Reference

World Data Center for Meteorology. Climate of the World.

Montana Humidity
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