Climate Insights for Port Moller Airport

Aleutians East Borough, Alaska, United States

Hottest
August
14°C peak
Coldest
January
-3°C low
Wettest
October
174mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Port Moller Airport is cool. The average annual temperature is 5°C and approximately 1281mm of precipitation falls per year. Port Moller Airport receives a notable amount of rainfall throughout the year, including during its driest month. Port Moller Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, March, February, when temperatures can drop to -3°C. Port Moller Airport experiences heavy snowfall, typically from January through December.

Temperature

-10° -5° 10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -2° Min: -3° Feb Max: 2° Average: 0° Min: -2° Mar Max: 1° Average: -1° Min: -2° Apr Max: 4° Average: 3° Min: 1° May Max: 7° Average: 5° Min: 4° Jun Max: 10° Average: 9° Min: 7° Jul Max: 13° Average: 11° Min: 10° Aug Max: 14° Average: 12° Min: 11° Sep Max: 12° Average: 10° Min: 9° Oct Max: 9° Average: 7° Min: 6° Nov Max: 5° Average: 4° Min: 3° Dec Max: 2° Average: 0° Min: -1°
Max
Average
Min

Port Moller Airport sees moderate temperature variation throughout the year, ranging from -3°C to 14°C. August is the warmest month, though highs remain moderate at 14°C with a mean of 12°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between November and December, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 89mm Snow: 48mm Feb Precipitation: 90mm Snow: 36mm Mar Precipitation: 69mm Snow: 35mm Apr Precipitation: 69mm Snow: 22mm May Precipitation: 83mm Snow: 4mm Jun Precipitation: 64mm Snow: 0mm Jul Precipitation: 80mm Snow: 0mm Aug Precipitation: 121mm Snow: 0mm Sep Precipitation: 156mm Snow: 0mm Oct Precipitation: 174mm Snow: 4mm Nov Precipitation: 152mm Snow: 25mm Dec Precipitation: 133mm Snow: 63mm
Precipitation
Snow

Port Moller Airport is a fairly wet location, receiving approximately 1281mm of precipitation annually, which averages out to around 107mm per month. The wettest month is October, averaging 174mm of rainfall. September and November also tend to see above-average precipitation. The driest month is June, with just 64mm. That's 111mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Port Moller Airport receives heavy snowfall, accumulating around 236cm annually from January through December. The snowiest month is December, with approximately 63cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 6km/h Feb Wind Speed: 6km/h Mar Wind Speed: 5km/h Apr Wind Speed: 5km/h May Wind Speed: 4km/h Jun Wind Speed: 4km/h Jul Wind Speed: 4km/h Aug Wind Speed: 5km/h Sep Wind Speed: 6km/h Oct Wind Speed: 6km/h Nov Wind Speed: 6km/h Dec Wind Speed: 6km/h
Wind Speed

Port Moller Airport is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

76 days until Autumn

It is currently summer in Port Moller Airport, which began on June 21, 2026. Port Moller Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 14°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 — 76 days from now.

Spring

Temperatures range from -2 to 7°C. Precipitation is moderate at around 221mm for the season, averaging 74mm per month. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 7 to 14°C. Precipitation is moderate at around 265mm for the season, averaging 88mm per month. Winds are generally light, averaging 4km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 3 to 12°C. Rainfall is heavy, totalling around 483mm across the season with a monthly average of 161mm. Expect around 29cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -3 to 2°C. Rainfall is heavy, totalling around 312mm across the season with a monthly average of 104mm. Expect around 147cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Port Moller Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-3 °C
0 °C
6 km/h
89 mm
48 cm
Feb
-2 °C
2 °C
6 km/h
90 mm
36 cm
Mar
-2 °C
1 °C
5 km/h
69 mm
35 cm
Apr
1 °C
4 °C
5 km/h
69 mm
22 cm
May
4 °C
7 °C
4 km/h
83 mm
4 cm
Jun
7 °C
10 °C
4 km/h
64 mm
0 cm
Jul Current
10 °C
13 °C
4 km/h
80 mm
0 cm
Aug
11 °C
14 °C
5 km/h
121 mm
0 cm
Sep
9 °C
12 °C
6 km/h
156 mm
0 cm
Oct
6 °C
9 °C
6 km/h
174 mm
4 cm
Nov
3 °C
5 °C
6 km/h
152 mm
25 cm
Dec
-1 °C
2 °C
6 km/h
133 mm
63 cm
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