Climate Insights for Canton

The climate in Canton is temperate. The average annual temperature is 13°C and approximately 811mm of precipitation falls per year. August is the wettest month, receiving around 128mm of rainfall. Canton is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, December, February, when temperatures can drop to -6°C. Light snow can occur between January and December.

Canton has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is June, when average highs reach 32°C and the mean temperature sits around 26°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 10°C shift in average temperatures.

Canton is a moderately rainy area, receiving approximately 811mm of precipitation annually, which averages out to around 68mm per month. The wettest month is August, averaging 128mm of rainfall. March and July also tend to see above-average precipitation. The driest month is January, with just 30mm. That's 98mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 50cm annually. December is the snowiest month with approximately 21cm.

Canton is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Canton, which began on June 21, 2026. Canton is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in June at around 32°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.

The best time to visit Canton is during May, July, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 77mm per month. By contrast, June can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to -6°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Canton based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.