Humidity Levels in Montana During October





The average humidity in October 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 October
Daily Place Morning Afternoon
53 Billings 63 41
60 Glasgow 70 46
53 Great Falls 61 42
58 Helena 72 42
72 Kalispell 86 53
60 Miles City 71 46
71 Missoula 87 50

Highest and Lowest Humidity

Below are the averages during October 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 October
High Time Place Low Time
63.5 5 am Billings 38.9 2 pm
73.2 5 am Glasgow 41.4 2 pm
63.1 5 am Great Falls 39.1 2 pm
72.8 5 am Helena 39.9 2 pm
85.7 8 am Kalispell 51.9 2 pm
74.1 5 am Miles City 42.1 2 pm
86.6 8 am Missoula 49.9 2 pm
Reference

World Data Center for Meteorology. Climate of the World.

Montana Humidity
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