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Wellington (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Wellington.
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Climate overview of Wellington
Temperatures in Wellington, Ontario, Canada, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while January is the coldest at 0°C (32°F).
Rain/snowfall is high, totalling around 1048 mm (41 in) per year. October is the wettest month and February the driest. The city also experiences warm summers and very cold winters.
Wellington Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Wellington - and find the best time to visit.
Monthly Temperature in Wellington
The climate in Wellington is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 26°C (79°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 -8°C (18°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Wellington
Wellington has a notably wet climate with abundant precipitation, recording 1048 mm (41 in) of rain/snowfall per year. Year-round, Wellington has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 103 mm (4.1 in), and the driest month, February, with 72 mm (2.8 in), is minimal. For more details, please visit our Wellington 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 Wellington
Conditions in Wellington are generally most comfortable in June, July, August and September. They are typically 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
good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
mixed
Nov
cold
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Fewest rainy days: July, August and September
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Wellington
What is the best time to visit Wellington?
June, July, August and September typically offer the most optimal weather in Wellington. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Wellington has warm summers and very cold winters.
What temperatures can I expect in Wellington?
Daytime highs range from 0°C (32°F) in January to 26°C (79°F) in July. Nighttime lows range from -8°C (18°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Wellington get?
Annual rainfall is around 1048 mm (41 in). October is the wettest month with 103 mm (4.1 in), while February is the driest with 72 mm (2.8 in).
Wellington 3-Day Forecast
Wellington on the map
Wellington is highlighted - select any city to see its climate.
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Toronto
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