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Hay River (NT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hay River.
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Climate overview of Hay River
Hay River, Northwest Territories, Canada, sees big temperature differences between seasons, with July peaking at 22°C (72°F) and January dropping to -17°C (1°F).
The city has a relatively dry climate, receiving around 381 mm (15 in) of rain/snowfall per year. It does experience a distinct dry season from October to June, with warm summers and very cold winters. August is the wettest month and February the driest.
Hay River Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hay River - and find the best time to visit.
Monthly Temperature in Hay River
Visitors to Hay River can expect significant temperature changes throughout the year. On average, daytime temperatures range from a comfortable 22°C (72°F) in July to a very cold -17°C (1°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to -24°C (-11°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hay River
Hay River's climate is marked by below-average rain/snowfall, accumulating 381 mm (15 in) of precipitation yearly. The seasons in Hay River bring significant changes in precipitation. The wettest month, August, receives moderate rainfall, with an average of 68 mm (2.7 in) of precipitation. This rainfall is distributed across 10 rainy days.
In contrast, the driest month, February, experiences much less snowfall, totaling 15 mm (0.6 in) over 9 snowy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Hay River Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Hay River
Conditions in Hay River are generally most comfortable in July and August. They are typically least comfortable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
very cold
Apr
cold
May
good
Jun
very good
Jul
excellent
Aug
excellent
Sep
good
Oct
cold
Nov
very cold
Dec
very cold
- Best overall: July and August
- Warmest weather: July
- Fewest rainy days: April
- Seasonal pattern: A distinct dry season from October to June, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -24°C (-11°F).
Frequently asked questions about the climate in Hay River
What is the best time to visit Hay River?
July and August typically offer the most optimal weather in Hay River. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Hay River has a distinct dry season from October to June, with warm summers and very cold winters.
What temperatures can I expect in Hay River?
Daytime highs range from -17°C (1°F) in January to 22°C (72°F) in July. Nighttime lows range from -24°C (-11°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Hay River get?
Annual rainfall is around 381 mm (15 in). August is the wettest month with 68 mm (2.7 in), while February is the driest with 15 mm (0.6 in).
Hay River 3-Day Forecast
Hay River on the map
Hay River is highlighted - select any city to see its climate.
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