Humidity Levels in Montana During January

The average humidity in January 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 January
Daily Place Morning Afternoon
60 Billings 64 56
74 Glasgow 76 72
63 Great Falls 66 60
66 Helena 71 62
78 Kalispell 80 74
72 Miles City 75 69
81 Missoula 85 76

Highest and Lowest Humidity

Below are the averages during January 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 January
High Time Place Low Time
63.7 8 am Billings 53.4 2 pm
75.6 8 am Glasgow 67.6 2 pm
66.2 8 am Great Falls 56.3 2 pm
71.3 8 am Helena 58.3 2 pm
80.3 5 am Kalispell 72.7 2 pm
74.5 8 am Miles City 65.9 2 pm
85.2 5 am Missoula 74.4 2 pm
Reference

World Data Center for Meteorology. Climate of the World.

Montana Humidity
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