Climate Insights for Bunbury
City of Bunbury, Western Australia, Australia
Climate Overview
The climate in Bunbury is temperate. The average annual temperature is 17°C and approximately 687 mm of precipitation falls per year. July is the wettest month, receiving around 145 mm of rainfall. Bunbury is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are August, July, September, when temperatures can drop to 10°C.The climate in Bunbury is temperate. The average annual temperature is 63°F and approximately 27 in of precipitation falls per year. July is the wettest month, receiving around 5.7 in of rainfall. Bunbury is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are August, July, September, when temperatures can drop to 50°F.
Temperature
Bunbury sees moderate temperature variation throughout the year, ranging from 10°C to 28°C. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 22°C. August is the coolest month, with minimum temperatures around 10°C and an average of 13°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between March and April, with a 3°C shift in average temperatures.Bunbury sees moderate temperature variation throughout the year, ranging from 50°F to 82°F. The warmest month is January, when average highs reach 82°F and the mean temperature sits around 72°F. August is the coolest month, with minimum temperatures around 50°F and an average of 55°F. On average, daily temperatures fluctuate by about 15°F between overnight lows and afternoon highs. The sharpest temperature change occurs between March and April, with a 6°F shift in average temperatures.
Precipitation
Bunbury is a relatively dry area, receiving approximately 687 mm of precipitation annually, which averages out to around 57 mm per month. The wettest month is July, averaging 145 mm of rainfall. August and June also tend to see above-average precipitation. The driest month is December, with just 8 mm. That's 136 mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Bunbury is a relatively dry area, receiving approximately 27 in of precipitation annually, which averages out to around 2.2 in per month. The wettest month is July, averaging 5.7 in of rainfall. August and June also tend to see above-average precipitation. The driest month is December, with just 0.3 in. That's 5.4 in less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Bunbury is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Bunbury is moderately windy, with an average annual wind speed of 10mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 11mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 9mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.
Best Time to Visit
The best time to visit Bunbury is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 31 mm per month. By contrast, August can be quite cold with temperatures dropping to 10°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Bunbury is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 66°F with modest rainfall averaging 1.2 in per month. By contrast, August can be quite cold with temperatures dropping to 50°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Bunbury 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. 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 Bunbury 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. 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.