Climate Overview
The climate in Uummannaq is cold. The average annual temperature is -5°C and approximately 375mm of precipitation falls per year. July is the wettest month, receiving around 52mm of rainfall. Uummannaq 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, March, January, when temperatures can drop to -18°C. Uummannaq experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Uummannaq vary considerably across the year, with a 27°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 9°C with a mean of 6°C. February brings the harshest conditions, with lows dropping to -18°C and an average temperature of -17°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between March and April, with a 7°C shift in average temperatures.
Precipitation
Uummannaq is a quite dry location, receiving approximately 375mm of precipitation annually, which averages out to around 31mm per month. The wettest month is July, averaging 52mm of rainfall. August and October also tend to see above-average precipitation. The driest month is February, with just 11mm. That's 41mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Uummannaq receives heavy snowfall, accumulating around 229cm annually from January through December. The snowiest month is October, with approximately 34cm. Winter travel should account for significant snow cover.
Wind
Uummannaq is relatively calm, with an average annual wind speed of 8km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
88 days until Winter
It is currently autumn in Uummannaq, which began on September 23, 2026. Uummannaq 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 February near -18°C. Winter is next, beginning on December 21, 2026 (88 days from now).
Spring
Temperatures range from -16 to 0°C. Rainfall is relatively light, with around 69mm over the season and a monthly average of 23mm. Winds are generally light, averaging 9km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 1 to 9°C. Rainfall is relatively light, with around 132mm over the season and a monthly average of 44mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -8 to 2°C. Rainfall is relatively light, with around 110mm over the season and a monthly average of 37mm. Expect around 85cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from -18 to -8°C. Rainfall is relatively light, with around 65mm over the season and a monthly average of 22mm. Expect around 64cm of snow accumulation during this period. Winds are generally light, averaging 9km/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 Uummannaq 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.
