Climate Insights for Alert Airport

, Nunavut, Canada

Hottest
July
9°C peak
Coldest
March
-33°C low
Wettest
August
38mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Alert Airport is cold. The average annual temperature is -16°C and approximately 210mm of precipitation falls per year. August is the wettest month, receiving around 38mm 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 March, February, January, when temperatures can drop to -33°C. Snowfall occurs from January to December, with around 171cm accumulating over the season.

Temperature

-40° -30° -20° -10° 10° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -28° Average: -30° Min: -32° Feb Max: -27° Average: -30° Min: -32° Mar Max: -27° Average: -30° Min: -33° Apr Max: -18° Average: -21° Min: -24° May Max: -8° Average: -9° Min: -11° Jun Max: 3° Average: 2° Min: 0° Jul Max: 9° Average: 6° Min: 4° Aug Max: 5° Average: 3° Min: 1° Sep Max: -6° Average: -8° Min: -10° Oct Max: -15° Average: -17° Min: -19° Nov Max: -23° Average: -25° Min: -27° Dec Max: -26° Average: -28° Min: -30°
Max
Average
Min

Alert Airport has a wide annual temperature range, spanning 42°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 9°C with a mean of 6°C. March 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: 10mm Snow: 10mm Feb Precipitation: 8mm Snow: 8mm Mar Precipitation: 13mm Snow: 13mm Apr Precipitation: 10mm Snow: 10mm May Precipitation: 22mm Snow: 22mm Jun Precipitation: 25mm Snow: 17mm Jul Precipitation: 24mm Snow: 7mm Aug Precipitation: 38mm Snow: 24mm Sep Precipitation: 20mm Snow: 20mm Oct Precipitation: 21mm Snow: 21mm Nov Precipitation: 9mm Snow: 9mm Dec Precipitation: 8mm Snow: 8mm
Precipitation
Snow

Alert Airport is a quite dry location, receiving approximately 210mm of precipitation annually, which averages out to around 17mm per month. The wettest month is August, averaging 38mm of rainfall. June and July also tend to see above-average precipitation. The driest month is December, with just 8mm. That's 30mm 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 171cm accumulating over the season. August typically sees the most snow at around 24cm.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 2km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 3km/h Sep Wind Speed: 3km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Alert Airport is relatively calm, with an average annual wind speed of 3km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

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

93 days until Autumn

It is currently summer in Alert Airport, which began on June 21, 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 9°C, while the coldest stretch bottoms out in March near -33°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

Spring

Temperatures range from -33 to -8°C. Precipitation is minimal, with only around 46mm for the entire season. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 0 to 9°C. Rainfall is relatively light, with around 87mm over the season and a monthly average of 29mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -27 to -6°C. Rainfall is relatively light, with around 50mm over the season and a monthly average of 17mm. Expect around 50cm of snow accumulation during this period. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -32 to -26°C. Precipitation is minimal, with only around 27mm for the entire season. Expect around 27cm of snow accumulation during this period. Winds are generally light, averaging 3km/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
-28 °C
3 km/h
10 mm
10 cm
Feb
-32 °C
-27 °C
3 km/h
8 mm
8 cm
Mar
-33 °C
-27 °C
3 km/h
13 mm
13 cm
Apr
-24 °C
-18 °C
2 km/h
10 mm
10 cm
May
-11 °C
-8 °C
3 km/h
22 mm
22 cm
Jun Current
0 °C
3 °C
3 km/h
25 mm
17 cm
Jul
4 °C
9 °C
3 km/h
24 mm
7 cm
Aug
1 °C
5 °C
3 km/h
38 mm
24 cm
Sep
-10 °C
-6 °C
3 km/h
20 mm
20 cm
Oct
-19 °C
-15 °C
3 km/h
21 mm
21 cm
Nov
-27 °C
-23 °C
3 km/h
9 mm
9 cm
Dec
-30 °C
-26 °C
3 km/h
8 mm
8 cm
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