Haileybury (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Haileybury.
Climate overview of Haileybury
The climate in Haileybury, Ontario, Canada, is marked by large temperature swings across the seasons, ranging from 25°C (77°F) in July to -8°C (18°F) in January.
Annual rain/snowfall is moderate at around 930 mm (37 in), with September being the wettest month. The city also has warm summers and very cold winters.
Haileybury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Haileybury - and find the best time to visit.
Monthly Temperature in Haileybury
In Haileybury, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -8°C (18°F).
At night, temperatures range from around 13°C (55°F) in July to -19°C (-2°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Haileybury
On average, Haileybury receives a reasonable amount of rain/snowfall, with an annual precipitation of 930 mm (37 in). Haileybury experiences moderate seasonal variation in rainfall, with monthly averages ranging from 103 mm (4.1 in) in September, the wettest month, and 52 mm (2 in) in February, the driest month. For more details, please visit our Haileybury 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 Haileybury
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -19°C (-2°F).
Frequently asked questions about the climate in Haileybury
What is the best time to visit Haileybury?
June, July and August typically offer the most optimal weather in Haileybury. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Haileybury has warm summers and very cold winters.
What temperatures can I expect in Haileybury?
Daytime highs range from -8°C (18°F) in January to 25°C (77°F) in July. Nighttime lows range from -19°C (-2°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Haileybury get?
Annual rainfall is around 930 mm (37 in). September is the wettest month with 103 mm (4.1 in), while February is the driest with 52 mm (2 in).
Haileybury 3-Day Forecast
Haileybury on the map
Haileybury is highlighted - select any city to see its climate.
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