Humidity Levels in Alaska During December

The average humidity in December is listed below for places in Alaska. 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 these tables, the Daily number is the average of humidity readings taken every three hours throughout the day. Morning percentages are for 6 am and Afternoon measures are for 3 pm local standard time.

Southeast Alaska

Daily Place Morning Afternoon
79 Annette Island 82 79
83 Juneau 83 82
84 Yakutat 85 84

South - Central Alaska

Daily Place Morning Afternoon
77 Anchorage 78 77
71 Fairbanks 72 71
77 Gulkana 75 74
79 Homer 81 78
73 Talkeetna 73 73
77 Valdez 78 76

Southwest Alaska

Daily Place Morning Afternoon
77 Bethel 77 77
86 Cold Bay 87 85
77 King Salmon 77 76
76 Kodiak 77 73
74 McGrath 74 74
83 St Paul Island 83 82

Far North Alaska

Daily Place Morning Afternoon
74 Barrow 75 74
72 Bettles 72 72
74 Kotzebue 74 74
72 Nome 72 72

Highest and Lowest Humidity

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

Southeast Alaska

High Time Place Low Time
81.6 6 am Annette Island 78.1 12 noon
84.1 3 am Juneau 81.1 12 noon
84.7 6 am Yakutat 83.6 3 pm

South - Central Alaska

High Time Place Low Time
77.5 6 am Anchorage 76.5 3 pm
71.5 6 am Fairbanks 71.2 9 pm
76.4 3 am Gulkana 74.0 9 pm
80.7 6 am Homer 77.7 3 pm
76.2 12 am Talkeetna 72.7 3 pm
78.0 6 am Valdez 75.5 3 pm

Southwest Alaska

High Time Place Low Time
77.0 6 pm Bethel 76.5 3 pm
87.2 9 am Cold Bay 84.9 3 pm
77.1 6 am King Salmon 75.5 3 pm
76.8 9 pm Kodiak 72.6 3 pm
74.6 9 am McGrath 73.8 3 pm
83.5 12 am St Paul Island 82.1 3 pm

Far North Alaska

High Time Place Low Time
74.5 6 pm Barrow 73.9 12 am
72.3 9 pm Bettles 71.3 12 noon
74.2 9 pm Kotzebue 73.2 3 pm
71.9 6 pm Nome 71.2 12 am
Reference

World Data Center for Meteorology. Climate of the World.

Alaska Humidity
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