Climate Insights for Algonquin

The climate in Algonquin is temperate. The average annual temperature is 15°C and approximately 1275mm of precipitation falls per year. Algonquin receives a notable amount of rainfall throughout the year, including during its driest month. Algonquin is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to 1°C. Light snow can occur between January and December.

Temperatures in Algonquin vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 1°C and an average of 4°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Algonquin is a fairly wet location, receiving approximately 1275mm of precipitation annually, which averages out to around 106mm per month. The wettest month is July, averaging 138mm of rainfall. May and October also tend to see above-average precipitation. The driest month is January, with just 85mm. That's 53mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between January and December, totalling around 42cm annually. January is the snowiest month with approximately 23cm.

Algonquin is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, 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 spring in Algonquin, which began on March 20, 2026. Algonquin 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 July at around 30°C, while the coldest stretch bottoms out in January near 1°C. Summer is next, beginning on June 21, 2026 — 4 days from now.

The table below shows monthly climate averages for Algonquin 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.