Peterborough (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Peterborough.
Climate overview of Peterborough
The climate in Peterborough, Ontario, Canada, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to -2°C (28°F) in January.
With around 999 mm (39 in) of annual rain/snowfall, the city has moderate precipitation levels. June is the wettest month and February the driest. It also has warm summers and very cold winters.
Peterborough Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Peterborough - and find the best time to visit.
Monthly Temperature in Peterborough
In Peterborough, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -2°C (28°F) in the coolest month, January.
Nights vary from 16°C (61°F) in July to around -12°C (10°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Peterborough
On average, Peterborough receives a reasonable amount of rain/snowfall, with an annual precipitation of 999 mm (39 in). Precipitation levels in Peterborough remain relatively steady throughout the year. June has the most rain, with 101 mm (4 in) over 12 days. In the driest month February, this drops slightly to 64 mm (2.5 in), making the city's climate fairly predictable. For more details, please visit our Peterborough 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 Peterborough
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, July, August and September
- 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 Peterborough
What is the best time to visit Peterborough?
May, July, August and September typically offer the most optimal weather in Peterborough. In contrast, January, February, March, November and December tend to have less optimal conditions. Peterborough has warm summers and very cold winters.
What temperatures can I expect in Peterborough?
Daytime highs range from -2°C (28°F) in January to 27°C (81°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 Peterborough get?
Annual rainfall is around 999 mm (39 in). June is the wettest month with 101 mm (4 in), while February is the driest with 64 mm (2.5 in).
Peterborough 3-Day Forecast
Peterborough on the map
Peterborough is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most beautiful lakes in Canada
Explore Canada's stunning lakes: Lake Louise, Lake Superior, Maligne Lake, Emerald Lake, and Lake Okanagan, each offering unique beauty and activities.
Canoeing the south Nahannii
The South Nahanni in the northwest of Canada is one of the most impressive wilderness rivers in the world. Canoeing the south Nahanni is something you must add to your bucket list.
See Polar Bears in Churchill Canada
Thousands of bears gather at the small town of Churchill. In the evening the northern lights give a light show against the dark evening sky. An unforgettable experience.
Banff National Park
Snowy mountains, clear blue lakes and green forests make Banff National Park a wonderful bucket list destination. The pristine wilderness is a mecca for walkers.