Climate Overview
The climate in Ulukhaktok/Holman Island Airport is cold. The average annual temperature is -10°C and approximately 202mm of precipitation falls per year. September is the wettest month, receiving around 39mm of rainfall. Ulukhaktok/Holman Island 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 -28°C. Snowfall occurs from January to December, with around 79cm accumulating over the season.
Temperature
Ulukhaktok/Holman Island Airport has a wide annual temperature range, spanning 39°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 11°C with a mean of 8°C. February brings the harshest conditions, with lows dropping to -28°C and an average temperature of -27°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 12°C shift in average temperatures.
Precipitation
Ulukhaktok/Holman Island Airport is a quite dry location, receiving approximately 202mm of precipitation annually, which averages out to around 17mm per month. The wettest month is September, averaging 39mm of rainfall. August and July also tend to see above-average precipitation. The driest month is April, with just 4mm. That's 35mm less than September, 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 79cm accumulating over the season. October typically sees the most snow at around 18cm.
Wind
Ulukhaktok/Holman Island Airport is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.
Seasons
88 days until Summer
It is currently spring in Ulukhaktok/Holman Island Airport, which began on March 20, 2026. Ulukhaktok/Holman Island 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 11°C, while the coldest stretch bottoms out in February near -28°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from -26 to -2°C. Precipitation is minimal, with only around 25mm for the entire season. Winds are moderate at around 25km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 2 to 11°C. Rainfall is relatively light, with around 80mm over the season and a monthly average of 27mm. Winds are moderate at around 24km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -17 to 4°C. Rainfall is relatively light, with around 78mm over the season and a monthly average of 26mm. Expect around 41cm of snow accumulation during this period. Winds are strong, averaging 27km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -28 to -21°C. Precipitation is minimal, with only around 19mm for the entire season. Expect around 18cm of snow accumulation during this period. Winds are moderate at around 24km/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 Ulukhaktok/Holman Island 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.
