Climate Insights for St. Michael Airport

Southeastern Connecticut Planning Region, Alaska, United States

Hottest
July
15°C peak
Coldest
January
-14°C low
Wettest
August
104mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in St. Michael Airport is cold. The average annual temperature is 0°C and approximately 641mm of precipitation falls per year. August is the wettest month, receiving around 104mm of rainfall. St. Michael Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -14°C. Snowfall occurs from January to December, with around 181cm accumulating over the season.

Temperature

-20° -10° 10° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -10° Average: -12° Min: -14° Feb Max: -7° Average: -10° Min: -12° Mar Max: -6° Average: -9° Min: -11° Apr Max: 1° Average: -1° Min: -3° May Max: 7° Average: 5° Min: 3° Jun Max: 13° Average: 11° Min: 9° Jul Max: 15° Average: 14° Min: 12° Aug Max: 14° Average: 13° Min: 11° Sep Max: 10° Average: 9° Min: 8° Oct Max: 5° Average: 3° Min: 2° Nov Max: -3° Average: -5° Min: -7° Dec Max: -8° Average: -10° Min: -12°
Max
Average
Min

Temperatures in St. Michael Airport vary considerably across the year, with a 29°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 15°C with a mean of 14°C. The coldest month is January, when overnight lows fall to -14°C and the daily average is -12°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 8°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 24mm Snow: 21mm Feb Precipitation: 37mm Snow: 33mm Mar Precipitation: 29mm Snow: 25mm Apr Precipitation: 33mm Snow: 16mm May Precipitation: 42mm Snow: 2mm Jun Precipitation: 47mm Snow: 0mm Jul Precipitation: 77mm Snow: 0mm Aug Precipitation: 104mm Snow: 0mm Sep Precipitation: 102mm Snow: 0mm Oct Precipitation: 62mm Snow: 12mm Nov Precipitation: 46mm Snow: 36mm Dec Precipitation: 38mm Snow: 35mm
Precipitation
Snow

St. Michael Airport is a relatively dry area, receiving approximately 641mm of precipitation annually, which averages out to around 53mm per month. The wettest month is August, averaging 104mm of rainfall. September and July also tend to see above-average precipitation. The driest month is January, with just 24mm. That's 80mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 181cm accumulating over the season. November typically sees the most snow at around 36cm.

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: 4km/h May Wind Speed: 4km/h Jun Wind Speed: 4km/h Jul Wind Speed: 4km/h Aug Wind Speed: 4km/h Sep Wind Speed: 5km/h Oct Wind Speed: 6km/h Nov Wind Speed: 6km/h Dec Wind Speed: 5km/h
Wind Speed

St. Michael 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 February, 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

72 days until Autumn

It is currently summer in St. Michael Airport, which began on June 21, 2026. St. Michael 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 July at around 15°C, while the coldest stretch bottoms out in January near -14°C. Autumn is next, beginning on September 23, 2026 — 72 days from now.

Spring

Temperatures range from -11 to 7°C. Rainfall is relatively light, with around 104mm over the season and a monthly average of 35mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 9 to 15°C. Precipitation is moderate at around 228mm for the season, averaging 76mm 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 -7 to 10°C. Precipitation is moderate at around 210mm for the season, averaging 70mm per month. Expect around 49cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -14 to -7°C. Rainfall is relatively light, with around 99mm over the season and a monthly average of 33mm. Expect around 89cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Monthly Climate Data

The table below shows monthly climate averages for St. Michael 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
-14 °C
-10 °C
6 km/h
24 mm
21 cm
Feb
-12 °C
-7 °C
6 km/h
37 mm
33 cm
Mar
-11 °C
-6 °C
5 km/h
29 mm
25 cm
Apr
-3 °C
1 °C
4 km/h
33 mm
16 cm
May
3 °C
7 °C
4 km/h
42 mm
2 cm
Jun
9 °C
13 °C
4 km/h
47 mm
0 cm
Jul Current
12 °C
15 °C
4 km/h
77 mm
0 cm
Aug
11 °C
14 °C
4 km/h
104 mm
0 cm
Sep
8 °C
10 °C
5 km/h
102 mm
0 cm
Oct
2 °C
5 °C
6 km/h
62 mm
12 cm
Nov
-7 °C
-3 °C
6 km/h
46 mm
36 cm
Dec
-12 °C
-8 °C
5 km/h
38 mm
35 cm
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