Climate Insights for Dampier

The climate in Dampier is hot. The average annual temperature is 26°C and approximately 308mm of precipitation falls per year. March is the wettest month, receiving around 76mm of rainfall. Dampier 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: March, April, February. The coldest months are August, July, June, when temperatures can drop to 20°C.

Dampier has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is March, when average highs reach 30°C and the mean temperature sits around 30°C. August is the coolest month, with minimum temperatures around 20°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Dampier is a quite dry location, receiving approximately 308mm of precipitation annually, which averages out to around 26mm per month. The wettest month is March, averaging 76mm of rainfall. February and January also tend to see above-average precipitation. The driest month is November, with just 0mm. That's 75mm less than March, 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.

Dampier is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently winter in Dampier, which began on June 21, 2026. Dampier is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in March at around 30°C, while the coldest stretch bottoms out in August near 20°C. Spring is next, beginning on September 23, 2026 — 89 days from now.

The best time to visit Dampier is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 14mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 30°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Dampier 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.