Otter Lake (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Otter Lake.
Climate overview of Otter Lake
The climate in Otter Lake, Ontario, Canada, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to -3°C (27°F) in January.
With around 1140 mm (45 in) of annual rain/snowfall, Otter Lake has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is October.
Otter Lake Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Otter Lake - and find the best time to visit.
Monthly Temperature in Otter Lake
In Otter Lake, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -3°C (27°F).
At night, temperatures range from around 16°C (61°F) in July to -12°C (10°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Otter Lake
Otter Lake experiences significant rain/snowfall throughout the year, averaging 1140 mm (45 in) of precipitation annually. Otter Lake experiences moderate seasonal variation in rainfall, with monthly averages ranging from 115 mm (4.5 in) in October, the wettest month, and 67 mm (2.6 in) in February, the driest month. For more details, please visit our Otter Lake 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 Otter Lake
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June and July
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -12°C (10°F).
Frequently asked questions about the climate in Otter Lake
What is the best time to visit Otter Lake?
June and July typically offer the most optimal weather in Otter Lake. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Otter Lake has warm summers and very cold winters.
What temperatures can I expect in Otter Lake?
Daytime highs range from -3°C (27°F) in January to 24°C (75°F) in July. Nighttime lows range from -12°C (10°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Otter Lake get?
Annual rainfall is around 1140 mm (45 in). October is the wettest month with 115 mm (4.5 in), while February is the driest with 67 mm (2.6 in).
Otter Lake 3-Day Forecast
Otter Lake on the map
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