Climate Insights for Upper Mills
Municipal District of St. Stephen, New Brunswick, Canada
Climate Overview
The climate in Upper Mills is cool. The average annual temperature is 7°C and approximately 1,166 mm of precipitation falls per year. Upper Mills receives a notable amount of rainfall throughout the year, including during its driest month. Upper Mills 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, February, December, when temperatures can drop to -10°C. Upper Mills experiences heavy snowfall, typically from January through December.The climate in Upper Mills is cool. The average annual temperature is 45°F and approximately 45.9 in of precipitation falls per year. Upper Mills receives a notable amount of rainfall throughout the year, including during its driest month. Upper Mills 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, February, December, when temperatures can drop to 14°F. Upper Mills experiences heavy snowfall, typically from January through December.
Temperature
Upper Mills has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 21°C. The coldest month is January, when overnight lows fall to -10°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.Upper Mills has a wide annual temperature range, spanning 65°F from the coldest to warmest months. The warmest month is July, when average highs reach 79°F and the mean temperature sits around 69°F. The coldest month is January, when overnight lows fall to 14°F and the daily average is 22°F. On average, daily temperatures fluctuate by about 17°F between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 13°F shift in average temperatures.
Precipitation
Upper Mills is a moderately rainy area, receiving approximately 1,166 mm of precipitation annually, which averages out to around 97 mm per month. The wettest month is December, averaging 122 mm of rainfall. October and April also tend to see above-average precipitation. The driest month is September, with just 84 mm. That's 38 mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Upper Mills receives heavy snowfall, accumulating around 216cm annually from January through December. The snowiest month is February, with approximately 50cm. Winter travel should account for significant snow cover.Upper Mills is a moderately rainy area, receiving approximately 45.9 in of precipitation annually, which averages out to around 3.8 in per month. The wettest month is December, averaging 4.8 in of rainfall. October and April also tend to see above-average precipitation. The driest month is September, with just 3.3 in. That's 1.5 in less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Upper Mills receives heavy snowfall, accumulating around 85in annually from January through December. The snowiest month is February, with approximately 20in. Winter travel should account for significant snow cover.
Wind
Upper Mills is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 13km/h in spring, 11km/h in summer, 12km/h in autumn.Upper Mills is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is March, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3mph between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 8mph in winter, 8mph in spring, 7mph in summer, 8mph in autumn.
Best Time to Visit
The best time to visit Upper Mills is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 85 mm per month. By contrast, January can be quite cold with temperatures dropping to -10°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 best time to visit Upper Mills is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 3.3 in per month. By contrast, January can be quite cold with temperatures dropping to 14°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Upper Mills 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.The table below shows monthly climate averages for Upper Mills based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.