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Climate & Weather Averages in Agattu Island, Alaska, USA

Currently: 50 °F. Mostly cloudy. (Weather station: Adak, USA). See more current weather

Annual Weather Averages in Adak

Adak is 416 miles from Agattu Island, so the actual climate in Agattu Island can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
36
28
3.23
Feb
37
30
3.6
Mar
38
31
3.03
Apr
41
33
2.44
May
44
37
2.18
Jun
49
42
1.52
Jul
53
46
1.97
Aug
56
48
2.3
Sep
53
45
2.65
Oct
47
39
3.5
Nov
42
34
3.12
Dec
38
30
3.51

All Year Climate & Weather Averages in Agattu Island

High Temp: 56 °F

Low Temp: 28 °F

Mean Temp: 41 °F

Precipitation: 2.75"

Humidity: 80%

Dew Point: 35 °F

Wind: 27 mph

Pressure: 29.75 "Hg

Visibility: 8 mi

January Climate & Weather Averages in Agattu Island

High Temp: 36 °F

Low Temp: 28 °F

Mean Temp: 32 °F

Precipitation: 3.23"

Humidity: 78%

Dew Point: 27 °F

Wind: 30 mph

Pressure: 29.51 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Agattu Island

High Temp: 37 °F

Low Temp: 30 °F

Mean Temp: 33 °F

Precipitation: 3.60"

Humidity: 77%

Dew Point: 27 °F

Wind: 32 mph

Pressure: 29.52 "Hg

Visibility: 8 mi

March Climate & Weather Averages in Agattu Island

High Temp: 38 °F

Low Temp: 31 °F

Mean Temp: 35 °F

Precipitation: 3.03"

Humidity: 78%

Dew Point: 28 °F

Wind: 30 mph

Pressure: 29.76 "Hg

Visibility: 8 mi

April Climate & Weather Averages in Agattu Island

High Temp: 41 °F

Low Temp: 33 °F

Mean Temp: 37 °F

Precipitation: 2.44"

Humidity: 78%

Dew Point: 30 °F

Wind: 29 mph

Pressure: 29.76 "Hg

Visibility: 8 mi

May Climate & Weather Averages in Agattu Island

High Temp: 44 °F

Low Temp: 37 °F

Mean Temp: 41 °F

Precipitation: 2.18"

Humidity: 81%

Dew Point: 35 °F

Wind: 25 mph

Pressure: 29.85 "Hg

Visibility: 8 mi

June Climate & Weather Averages in Agattu Island

High Temp: 49 °F

Low Temp: 42 °F

Mean Temp: 45 °F

Precipitation: 1.52"

Humidity: 83%

Dew Point: 40 °F

Wind: 22 mph

Pressure: 29.88 "Hg

Visibility: 8 mi

July Climate & Weather Averages in Agattu Island

High Temp: 53 °F

Low Temp: 46 °F

Mean Temp: 49 °F

Precipitation: 1.97"

Humidity: 86%

Dew Point: 45 °F

Wind: 21 mph

Pressure: 29.95 "Hg

Visibility: 8 mi

August Climate & Weather Averages in Agattu Island

High Temp: 56 °F

Low Temp: 48 °F

Mean Temp: 52 °F

Precipitation: 2.30"

Humidity: 86%

Dew Point: 47 °F

Wind: 22 mph

Pressure: 29.94 "Hg

Visibility: 8 mi

September Climate & Weather Averages in Agattu Island

High Temp: 53 °F

Low Temp: 45 °F

Mean Temp: 49 °F

Precipitation: 2.65"

Humidity: 82%

Dew Point: 43 °F

Wind: 26 mph

Pressure: 29.85 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Agattu Island

High Temp: 47 °F

Low Temp: 39 °F

Mean Temp: 43 °F

Precipitation: 3.50"

Humidity: 79%

Dew Point: 37 °F

Wind: 29 mph

Pressure: 29.76 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Agattu Island

High Temp: 42 °F

Low Temp: 34 °F

Mean Temp: 38 °F

Precipitation: 3.12"

Humidity: 78%

Dew Point: 32 °F

Wind: 31 mph

Pressure: 29.71 "Hg

Visibility: 8 mi

December Climate & Weather Averages in Agattu Island

High Temp: 38 °F

Low Temp: 30 °F

Mean Temp: 34 °F

Precipitation: 3.51"

Humidity: 79%

Dew Point: 28 °F

Wind: 30 mph

Pressure: 29.50 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthAugust (52 °F avg)
Coldest MonthJanuary (32 °F avg)
Wettest MonthFebruary (3.60" avg)
Windiest MonthFebruary (32 mph avg)
Annual precip.33.03" (per year)

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