Climate Insights for Round Harbour

The climate in Round Harbour is cool. The average annual temperature is 5°C and approximately 1,384 mm of precipitation falls per year. Round Harbour receives a notable amount of rainfall throughout the year, including during its driest month. Round Harbour 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. Round Harbour experiences heavy snowfall, typically from January through December.The climate in Round Harbour is cool. The average annual temperature is 40°F and approximately 54.5 in of precipitation falls per year. Round Harbour receives a notable amount of rainfall throughout the year, including during its driest month. Round Harbour 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 17°F. Round Harbour experiences heavy snowfall, typically from January through December.

Temperatures in Round Harbour 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 19°C with a mean of 17°C. The coldest month is February, when overnight lows fall to -8°C and the daily average is -6°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between June and July, with a 6°C shift in average temperatures.Temperatures in Round Harbour vary considerably across the year, with a 50°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 67°F with a mean of 62°F. The coldest month is February, when overnight lows fall to 17°F and the daily average is 21°F. Daily temperature variation is modest, with an average difference of 8°F between highs and lows. The sharpest temperature change occurs between June and July, with a 10°F shift in average temperatures.

Round Harbour is a fairly wet location, receiving approximately 1,384 mm of precipitation annually, which averages out to around 115 mm per month. The wettest month is November, averaging 171 mm of rainfall. October and December also tend to see above-average precipitation. The driest month is July, with just 84 mm. That's 87 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. Round Harbour receives heavy snowfall, accumulating around 439cm annually from January through December. The snowiest month is March, with approximately 88cm. Winter travel should account for significant snow cover.Round Harbour is a fairly wet location, receiving approximately 54.5 in of precipitation annually, which averages out to around 4.5 in per month. The wettest month is November, averaging 6.7 in of rainfall. October and December also tend to see above-average precipitation. The driest month is July, with just 3.3 in. That's 3.4 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. Round Harbour receives heavy snowfall, accumulating around 173in annually from January through December. The snowiest month is March, with approximately 35in. Winter travel should account for significant snow cover.

Round Harbour is mildly breezy, with an average annual wind speed of 19km/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 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 15km/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 23km/h in winter, 19km/h in spring, 15km/h in summer, 20km/h in autumn.Round Harbour is very windy, with an average annual wind speed of 12mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 14mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 9mph, 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 14mph in winter, 12mph in spring, 10mph in summer, 13mph in autumn.

The best time to visit Round Harbour is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 89 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 Round Harbour is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 60°F with modest rainfall averaging 3.5 in per month. By contrast, February can be quite cold with temperatures dropping to 17°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 Round Harbour 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 Round Harbour 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.