Climate Insights for Cantwell Airport

Denali Borough, Alaska, United States

Hottest
Luglio
15°C peak
Coldest
Gennaio
-22°C low
Wettest
Agosto
119mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Cantwell Airport is cold. The average annual temperature is -5°C and approximately 683mm of precipitation falls per year. Agosto is the wettest month, receiving around 119mm of rainfall. Cantwell Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Giugno, Agosto. The coldest months are Gennaio, Dicembre, Febbraio, when temperatures can drop to -22°C. Cantwell Airport experiences heavy snowfall, typically from January through December.

Temperature

-30° -20° -10° 10° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -17° Average: -20° Min: -22° Feb Max: -14° Average: -17° Min: -20° Mar Max: -10° Average: -14° Min: -17° Apr Max: -1° Average: -5° Min: -8° May Max: 7° Average: 3° Min: 0° Jun Max: 13° Average: 9° Min: 5° Jul Max: 15° Average: 11° Min: 7° Aug Max: 12° Average: 8° Min: 5° Sep Max: 6° Average: 3° Min: 0° Oct Max: -1° Average: -5° Min: -8° Nov Max: -13° Average: -16° Min: -18° Dec Max: -15° Average: -18° Min: -21°
Max
Average
Min

Cantwell Airport has a wide annual temperature range, spanning 37°C from the coldest to warmest months. Luglio is the warmest month, though highs remain moderate at 15°C with a mean of 11°C. Gennaio brings the harshest conditions, with lows dropping to -22°C and an average temperature of -20°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 10°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: 20mm Snow: 16mm Feb Precipitation: 28mm Snow: 23mm Mar Precipitation: 26mm Snow: 21mm Apr Precipitation: 23mm Snow: 19mm May Precipitation: 45mm Snow: 17mm Jun Precipitation: 88mm Snow: 4mm Jul Precipitation: 98mm Snow: 0mm Aug Precipitation: 119mm Snow: 3mm Sep Precipitation: 97mm Snow: 25mm Oct Precipitation: 59mm Snow: 40mm Nov Precipitation: 40mm Snow: 31mm Dec Precipitation: 40mm Snow: 32mm
Precipitation
Snow

Cantwell Airport is a relatively dry area, receiving approximately 683mm of precipitation annually, which averages out to around 57mm per month. The wettest month is August, averaging 119mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 20mm. That's 99mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Cantwell Airport receives heavy snowfall, accumulating around 230cm annually from January through December. The snowiest month is October, with approximately 40cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 6km/h Feb Wind Speed: 7km/h Mar Wind Speed: 8km/h Apr Wind Speed: 9km/h May Wind Speed: 11km/h Jun Wind Speed: 13km/h Jul Wind Speed: 13km/h Aug Wind Speed: 13km/h Sep Wind Speed: 12km/h Oct Wind Speed: 9km/h Nov Wind Speed: 7km/h Dec Wind Speed: 7km/h
Wind Speed

Cantwell Airport is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 9km/h in spring, 13km/h in summer, 9km/h in autumn.

Seasons

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

92 days until Summer

It is currently spring in Cantwell Airport, which began on March 20, 2026. Cantwell 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 Luglio at around 15°C, while the coldest stretch bottoms out in Gennaio near -22°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

Spring

Temperatures range from -17 to 7°C. Rainfall is relatively light, with around 94mm over the season and a monthly average of 31mm. Winds are generally light, averaging 9km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 5 to 15°C. Rainfall is heavy, totalling around 305mm across the season with a monthly average of 102mm. Winds are generally light, averaging 13km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -18 to 6°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Expect around 97cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -22 to -14°C. Rainfall is relatively light, with around 88mm over the season and a monthly average of 29mm. Expect around 71cm of snow accumulation during this period. Winds are generally light, averaging 7km/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 Cantwell 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
-22 °C
-17 °C
6 km/h
20 mm
16 cm
Feb
-20 °C
-14 °C
7 km/h
28 mm
23 cm
Mar Current
-17 °C
-10 °C
8 km/h
26 mm
21 cm
Apr
-8 °C
-1 °C
9 km/h
23 mm
19 cm
May
0 °C
7 °C
11 km/h
45 mm
17 cm
Jun
5 °C
13 °C
13 km/h
88 mm
4 cm
Jul
7 °C
15 °C
13 km/h
98 mm
0 cm
Aug
5 °C
12 °C
13 km/h
119 mm
3 cm
Sep
0 °C
6 °C
12 km/h
97 mm
25 cm
Oct
-8 °C
-1 °C
9 km/h
59 mm
40 cm
Nov
-18 °C
-13 °C
7 km/h
40 mm
31 cm
Dec
-21 °C
-15 °C
7 km/h
40 mm
32 cm
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Metric (°C, km/h)