Climate Insights for Wellington

The climate in Wellington is cool. The average annual temperature is 9°C and approximately 1,254 mm of precipitation falls per year. Wellington receives a notable amount of rainfall throughout the year, including during its driest month. Wellington 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, December, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 172cm accumulating over the season.The climate in Wellington is cool. The average annual temperature is 48°F and approximately 49.4 in of precipitation falls per year. Wellington receives a notable amount of rainfall throughout the year, including during its driest month. Wellington 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, December, when temperatures can drop to 25°F. Snowfall occurs from January to December, with around 68in accumulating over the season.

Temperatures in Wellington vary considerably across the year, with a 26°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 -4°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.Temperatures in Wellington vary considerably across the year, with a 47°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 72°F with a mean of 66°F. The coldest month is February, when overnight lows fall to 25°F and the daily average is 30°F. Daily temperature variation is modest, with an average difference of 12°F between highs and lows. The sharpest temperature change occurs between October and November, with a 10°F shift in average temperatures.

Wellington is a fairly wet location, receiving approximately 1,254 mm of precipitation annually, which averages out to around 104 mm per month. The wettest month is December, averaging 133 mm of rainfall. January and November also tend to see above-average precipitation. The driest month is May, with just 81 mm. That's 52 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 172cm accumulating over the season. January typically sees the most snow at around 48cm.Wellington is a fairly wet location, receiving approximately 49.4 in of precipitation annually, which averages out to around 4.1 in per month. The wettest month is December, averaging 5.2 in of rainfall. January and November also tend to see above-average precipitation. The driest month is May, with just 3.2 in. That's 2 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 68in accumulating over the season. January typically sees the most snow at around 19in.

Wellington is mildly breezy, with an average annual wind speed of 15km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 18km/h in winter, 16km/h in spring, 12km/h in summer, 15km/h in autumn.Wellington is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is March, averaging 11mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4mph 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 11mph in winter, 10mph in spring, 7mph in summer, 9mph in autumn.

The best time to visit Wellington is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 91 mm per month. By contrast, February can be quite cold with temperatures dropping to -4°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 Wellington is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 63°F with modest rainfall averaging 3.6 in per month. By contrast, February can be quite cold with temperatures dropping to 25°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 Wellington 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 Wellington 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.