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Huntsville (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Huntsville.
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10-day forecastForecast
Climate overview of Huntsville
Huntsville, Ontario, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 24°C (75°F) in July, while winters cool to -4°C (25°F) in January.
The city has a wet climate, receiving around 1124 mm (44 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and very cold winters. August is the wettest month.
Huntsville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Huntsville - and find the best time to visit.
Monthly Temperature in Huntsville
Depending on the time of the year, temperatures range from comfortable to very cold in Huntsville. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a very cold -4°C (25°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to -14°C (7°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Huntsville
Huntsville has a relatively rain/snowy climate with high precipitation levels, averaging 1124 mm (44 in) of rain/snowfall annually. The wettest period in Huntsville occurs in August, which receives around 108 mm (4.3 in) of precipitation. During the driest month, February, Huntsville experiences moderate snowfall, totaling 68 mm (2.7 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Huntsville 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 Huntsville
Conditions in Huntsville are generally most comfortable in June, July, August and September. 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
cold
Apr
cold
May
good
Jun
very good
Jul
very good
Aug
very good
Sep
very good
Oct
wet
Nov
wet
Dec
very cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Huntsville
What is the best time to visit Huntsville?
June, July, August and September typically offer the most optimal weather in Huntsville. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Huntsville has warm summers and very cold winters.
What temperatures can I expect in Huntsville?
Daytime highs range from -4°C (25°F) in January to 24°C (75°F) in July. Nighttime lows range from -14°C (7°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Huntsville get?
Annual rainfall is around 1124 mm (44 in). August is the wettest month with 108 mm (4.3 in), while February is the driest with 68 mm (2.7 in).
Huntsville 3-Day Forecast
Huntsville on the map
Huntsville is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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