Climate Overview
The climate in Roy Hill Station Airport is hot. The average annual temperature is 27°C and approximately 271mm of precipitation falls per year. January is the wettest month, receiving around 94mm of rainfall. Roy Hill Station Airport 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: December, January, February. The coldest months are July, June, August, when temperatures can drop to 11°C.
Temperature
Temperatures in Roy Hill Station Airport vary considerably across the year, with a 29°C difference between the coldest and warmest months. December is the hottest month, with daytime highs reaching 40°C and an average of 34°C. July is the coolest month, with minimum temperatures around 11°C and an average of 18°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.
Precipitation
Roy Hill Station Airport is a quite dry location, receiving approximately 271mm of precipitation annually, which averages out to around 23mm per month. The wettest month is January, averaging 94mm of rainfall. February and March also tend to see above-average precipitation. The driest month is October, with just 1mm. That's 93mm less than January, 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
Roy Hill Station Airport is moderately windy, with an average annual wind speed of 23km/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 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 21km/h in winter, 25km/h in spring, 23km/h in summer, 22km/h in autumn.
Seasons
88 days until Winter
It is currently autumn in Roy Hill Station Airport, which began on March 20, 2026. Roy Hill Station Airport 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 December at around 40°C, while the coldest stretch bottoms out in July near 11°C. Winter is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 17 to 38°C. Precipitation is minimal, with only around 15mm for the entire season. Winds are moderate at around 25km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 26 to 40°C. Precipitation is moderate at around 155mm for the season, averaging 52mm per month. Winds are moderate at around 23km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.
Autumn
Temperatures range from 15 to 37°C. Rainfall is relatively light, with around 75mm over the season and a monthly average of 25mm. Winds are moderate at around 22km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 11 to 27°C. Precipitation is minimal, with only around 27mm for the entire season. Winds are moderate at around 21km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Roy Hill Station Airport is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 12mm per month. By contrast, December can be uncomfortably hot with temperatures reaching 40°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Roy Hill Station Airport 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.