Climate Insights for Gladstone

The climate in Gladstone is temperate. The average annual temperature is 13°C and approximately 362mm of precipitation falls per year. November is the wettest month, receiving around 33mm of rainfall. Gladstone 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: February, July, December. The coldest months are January, May, November, when temperatures can drop to 7°C.

Gladstone sees moderate temperature variation throughout the year, ranging from 7°C to 18°C. February is the warmest month, though highs remain moderate at 18°C with a mean of 14°C. January is the coolest month, with minimum temperatures around 7°C and an average of 11°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between May and June, with a 4°C shift in average temperatures.

Gladstone is a quite dry location, receiving approximately 362mm of precipitation annually, which averages out to around 30mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 9mm. That's 24mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Gladstone is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9km/h in winter, 4km/h in spring, 6km/h in summer, 9km/h in autumn.

It is currently winter in Gladstone, which began on June 21, 2026. Gladstone 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 February at around 18°C, while the coldest stretch bottoms out in January near 7°C. Spring is next, beginning on September 23, 2026 — 18 days from now.

The best time to visit Gladstone 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 33mm per month. By contrast, February can be uncomfortably hot with highs reaching 18°C, while January is the coldest period with lows dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Gladstone 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.