Climate Insights for Quincy

The climate in Quincy is temperate. The average annual temperature is 11°C and approximately 1639mm of precipitation falls per year. January is the wettest month, receiving around 364mm of rainfall. Quincy 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 December, February, January, when temperatures can drop to -3°C. Quincy experiences heavy snowfall, typically from January through December.

Temperatures in Quincy vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 23°C. The coldest month is December, when overnight lows fall to -3°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.

Quincy is a fairly wet location, receiving approximately 1639mm of precipitation annually, which averages out to around 137mm per month. The wettest month is January, averaging 364mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 361mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Quincy receives heavy snowfall, accumulating around 574cm annually from January through December. The snowiest month is January, with approximately 173cm. Winter travel should account for significant snow cover.

Quincy is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/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 Quincy, which began on June 21, 2026. Quincy 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 31°C, while the coldest stretch bottoms out in December near -3°C. Autumn is next, beginning on September 23, 2026 — 75 days from now.

The best time to visit Quincy is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 14mm per month. By contrast, December can be quite cold with temperatures dropping to -3°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Quincy 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.