Climate Insights for Annandale

The climate in Annandale is cool. The average annual temperature is 7°C and approximately 1,168 mm of precipitation falls per year. Annandale receives a notable amount of rainfall throughout the year, including during its driest month. Annandale is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to -8°C. Annandale experiences heavy snowfall, typically from January through December.The climate in Annandale is cool. The average annual temperature is 45°F and approximately 46 in of precipitation falls per year. Annandale receives a notable amount of rainfall throughout the year, including during its driest month. Annandale is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, January, March, when temperatures can drop to 18°F. Annandale experiences heavy snowfall, typically from January through December.

Temperatures in Annandale vary considerably across the year, with a 31°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 20°C. The coldest month is February, when overnight lows fall to -8°C and the daily average is -5°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.Temperatures in Annandale vary considerably across the year, with a 55°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 73°F with a mean of 68°F. The coldest month is February, when overnight lows fall to 18°F and the daily average is 24°F. Daily temperature variation is modest, with an average difference of 11°F between highs and lows. The sharpest temperature change occurs between October and November, with a 12°F shift in average temperatures.

Annandale is a moderately rainy area, receiving approximately 1,168 mm of precipitation annually, which averages out to around 97 mm per month. The wettest month is November, averaging 130 mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 78 mm. That's 53 mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Annandale receives heavy snowfall, accumulating around 245cm annually from January through December. The snowiest month is January, with approximately 61cm. Winter travel should account for significant snow cover.Annandale is a moderately rainy area, receiving approximately 46 in of precipitation annually, which averages out to around 3.8 in per month. The wettest month is November, averaging 5.1 in of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 3.1 in. That's 2.1 in less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Annandale receives heavy snowfall, accumulating around 96in annually from January through December. The snowiest month is January, with approximately 24in. Winter travel should account for significant snow cover.

Annandale is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 25km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap 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 24km/h in winter, 20km/h in spring, 17km/h in summer, 22km/h in autumn.Annandale is very windy, with an average annual wind speed of 13mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 16mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 10mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6mph gap 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 15mph in winter, 13mph in spring, 11mph in summer, 13mph in autumn.

The best time to visit Annandale is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 82 mm per month. By contrast, February can be quite cold with temperatures dropping to -8°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 Annandale is during 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 3.2 in per month. By contrast, February can be quite cold with temperatures dropping to 18°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.

The table below shows monthly climate averages for Annandale 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 Annandale 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.