Climate Insights for Big Tancook Island

The climate in Big Tancook Island is cool. The average annual temperature is 8°C and approximately 1,487 mm of precipitation falls per year. Big Tancook Island receives a notable amount of rainfall throughout the year, including during its driest month. Big Tancook Island 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 -5°C. Snowfall occurs from January to December, with around 182cm accumulating over the season.The climate in Big Tancook Island is cool. The average annual temperature is 46°F and approximately 58.5 in of precipitation falls per year. Big Tancook Island receives a notable amount of rainfall throughout the year, including during its driest month. Big Tancook Island 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 23°F. Snowfall occurs from January to December, with around 72in accumulating over the season.

Temperatures in Big Tancook Island vary considerably across the year, with a 27°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 22°C with a mean of 19°C. The coldest month is February, when overnight lows fall to -5°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.Temperatures in Big Tancook Island vary considerably across the year, with a 48°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 71°F with a mean of 66°F. The coldest month is February, when overnight lows fall to 23°F and the daily average is 28°F. Daily temperature variation is modest, with an average difference of 10°F between highs and lows. The sharpest temperature change occurs between October and November, with a 11°F shift in average temperatures.

Big Tancook Island is a fairly wet location, receiving approximately 1,487 mm of precipitation annually, which averages out to around 124 mm per month. The wettest month is December, averaging 148 mm of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 95 mm. That's 53 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. Snowfall is a regular feature from January to December, with around 182cm accumulating over the season. February typically sees the most snow at around 48cm.Big Tancook Island is a fairly wet location, receiving approximately 58.5 in of precipitation annually, which averages out to around 4.9 in per month. The wettest month is December, averaging 5.8 in of rainfall. January and November also tend to see above-average precipitation. The driest month is July, with just 3.7 in. That's 2.1 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. Snowfall is a regular feature from January to December, with around 72in accumulating over the season. February typically sees the most snow at around 19in.

Big Tancook Island is mildly breezy, with an average annual wind speed of 18km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/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 21km/h in winter, 18km/h in spring, 14km/h in summer, 18km/h in autumn.Big Tancook Island is moderately windy, with an average annual wind speed of 11mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 13mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 8mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5mph 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 13mph in winter, 11mph in spring, 9mph in summer, 11mph in autumn.

The best time to visit Big Tancook Island is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 96 mm per month. By contrast, February can be quite cold with temperatures dropping to -5°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 Big Tancook Island is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 66°F with modest rainfall averaging 3.8 in per month. By contrast, February can be quite cold with temperatures dropping to 23°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 Big Tancook Island 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 Big Tancook Island 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.