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Port Stanley (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Port Stanley.
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Climate overview of Port Stanley
Port Stanley, Ontario, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 27°C (81°F) in July, while winters cool to 0°C (32°F) in January.
Rain/snowfall is high, totalling around 1094 mm (43 in) per year. June is the wettest month and February the driest. The city also experiences warm summers and very cold winters.
Port Stanley Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Port Stanley - and find the best time to visit.
Monthly Temperature in Port Stanley
Depending on the time of the year, temperatures range from comfortable to very cold in Port Stanley. Average maximum daytime temperatures range from a comfortable 27°C (81°F) in July, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like January.
At night, you can expect temperatures ranging from 19°C (66°F) in July to around -7°C (19°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Port Stanley
Port Stanley has a relatively rain/snowy climate with high precipitation levels, averaging 1094 mm (43 in) of rain/snowfall annually. Year-round, Port Stanley has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 109 mm (4.3 in), and the driest month, February, with 72 mm (2.8 in), is minimal. For more details, please visit our Port Stanley 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 Port Stanley
The most comfortable overall weather for exploring Port Stanley is usually found in August and September. Conditions are generally least comfortable in January, February, March, April, 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
cold
Feb
cold
Mar
cold
Apr
wet
May
very good
Jun
very good
Jul
very good
Aug
excellent
Sep
excellent
Oct
good
Nov
cold
Dec
cold
- Best overall: August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Port Stanley
What is the best time to visit Port Stanley?
August and September typically offer the most optimal weather in Port Stanley. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Port Stanley has warm summers and very cold winters.
What temperatures can I expect in Port Stanley?
Daytime highs range from 0°C (32°F) in January to 27°C (81°F) in July. Nighttime lows range from -7°C (19°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Port Stanley get?
Annual rainfall is around 1094 mm (43 in). June is the wettest month with 109 mm (4.3 in), while February is the driest with 72 mm (2.8 in).
Port Stanley 3-Day Forecast
Port Stanley on the map
Port Stanley is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
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