Climate Insights for Alert Airport

, Nunavut, Canada

Hottest
July
8°C peak
Coldest
February
-33°C low
Wettest
July
29mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Alert Airport is cold. The average annual temperature is -15°C and approximately 144mm of precipitation falls per year. July is the wettest month, receiving around 29mm of rainfall. Alert 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 February, January, March, when temperatures can drop to -33°C. Snowfall occurs from January to December, with around 99cm accumulating over the season.

Temperature

-40° -30° -20° -10° 10° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -27° Average: -30° Min: -32° Feb Max: -28° Average: -30° Min: -33° Mar Max: -27° Average: -29° Min: -32° Apr Max: -18° Average: -21° Min: -24° May Max: -8° Average: -10° Min: -11° Jun Max: 3° Average: 1° Min: 0° Jul Max: 8° Average: 6° Min: 4° Aug Max: 5° Average: 3° Min: 1° Sep Max: -5° Average: -7° Min: -9° Oct Max: -14° Average: -16° Min: -19° Nov Max: -22° Average: -25° Min: -27° Dec Max: -25° Average: -27° Min: -30°
Max
Average
Min

Alert Airport has a wide annual temperature range, spanning 41°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 8°C with a mean of 6°C. February brings the harshest conditions, with lows dropping to -33°C and an average temperature of -30°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between April and May, with a 11°C shift in average temperatures.

Precipitation

0mm 25mm 50mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 4mm Snow: 5mm Feb Precipitation: 5mm Snow: 5mm Mar Precipitation: 5mm Snow: 6mm Apr Precipitation: 5mm Snow: 5mm May Precipitation: 12mm Snow: 12mm Jun Precipitation: 17mm Snow: 9mm Jul Precipitation: 29mm Snow: 7mm Aug Precipitation: 25mm Snow: 12mm Sep Precipitation: 19mm Snow: 16mm Oct Precipitation: 14mm Snow: 12mm Nov Precipitation: 6mm Snow: 6mm Dec Precipitation: 4mm Snow: 4mm
Precipitation
Snow

Alert Airport is a quite dry location, receiving approximately 144mm of precipitation annually, which averages out to around 12mm per month. The wettest month is July, averaging 29mm of rainfall. August and September also tend to see above-average precipitation. The driest month is December, with just 4mm. That's 25mm less than July, 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. Snowfall is a regular feature from January to December, with around 99cm accumulating over the season. September typically sees the most snow at around 16cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 14km/h Feb Wind Speed: 15km/h Mar Wind Speed: 14km/h Apr Wind Speed: 14km/h May Wind Speed: 15km/h Jun Wind Speed: 16km/h Jul Wind Speed: 16km/h Aug Wind Speed: 15km/h Sep Wind Speed: 14km/h Oct Wind Speed: 14km/h Nov Wind Speed: 14km/h Dec Wind Speed: 13km/h
Wind Speed

Alert Airport is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

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

89 days until Summer

It is currently spring in Alert Airport, which began on March 20, 2026. Alert 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 8°C, while the coldest stretch bottoms out in February near -33°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from -32 to -8°C. Precipitation is minimal, with only around 21mm for the entire season. Winds are generally light, averaging 14km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 0 to 8°C. Rainfall is relatively light, with around 71mm over the season and a monthly average of 24mm. Winds are moderate at around 16km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -27 to -5°C. Precipitation is minimal, with only around 39mm for the entire season. Expect around 34cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -33 to -25°C. Precipitation is minimal, with only around 12mm for the entire season. Expect around 14cm of snow accumulation during this period. Winds are generally light, averaging 14km/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 Alert 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
-32 °C
-27 °C
14 km/h
4 mm
5 cm
Feb
-33 °C
-28 °C
15 km/h
5 mm
5 cm
Mar Current
-32 °C
-27 °C
14 km/h
5 mm
6 cm
Apr
-24 °C
-18 °C
14 km/h
5 mm
5 cm
May
-11 °C
-8 °C
15 km/h
12 mm
12 cm
Jun
0 °C
3 °C
16 km/h
17 mm
9 cm
Jul
4 °C
8 °C
16 km/h
29 mm
7 cm
Aug
1 °C
5 °C
15 km/h
25 mm
12 cm
Sep
-9 °C
-5 °C
14 km/h
19 mm
16 cm
Oct
-19 °C
-14 °C
14 km/h
14 mm
12 cm
Nov
-27 °C
-22 °C
14 km/h
6 mm
6 cm
Dec
-30 °C
-25 °C
13 km/h
4 mm
4 cm
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Metric (°C, km/h)