The Australian Open (AO) is famous for its thrilling matches and world-class athletes, but in recent years, the intense summer heat in Melbourne has become a defining and grueling challenge for the tournament. Beyond the courts, these soaring temperatures serve as a stark reminder of a growing reality: climate change is intensifying Australia’s heatwaves, presenting risks not only to athletes but to all Australians.
Melbourne’s Rising Temperatures
Melbourne’s summer heat has reached concerning levels, with the city now averaging 11 days each summer above 35°C—a number projected to double by 2050. This summer alone has already recorded 15 days over 30°C, including four surpassing 35°C.
While these conditions push athletes to their limits, they also serve as a wake-up call. Heatwaves now claim more lives in Australia than any other natural hazard, and their frequency and intensity are on the rise due to climate change.
Heat’s Toll on the Human Body
Our bodies are finely tuned to operate at a core temperature of around 37°C. Prolonged exposure to high heat or intense physical activity can cause this temperature to rise above 40°C, putting individuals at risk of heatstroke. Symptoms such as headaches, nausea, dizziness, failure, and even death can result. Notably, the temperature outside doesn’t need to hit 40°C to cause these effects, making it critical to take precautions during heatwaves.
Heat Challenges at the AO
The Australian Open has long been a battleground for tennis stars against both their opponents and the elements. A look back at the past 15 years reveals how heat has shaped the tournament:
2009: Ten days of the 14-day event recorded temperatures above 30°C. On day 12, temperatures soared to 45.1°C, forcing Novak Djokovic to retire due to heat stress.
2014: The heatwave resulted in nine players retiring during their opening matches, and doubles champion Ivan Dodig withdrew after suffering full-body cramps on a 41°C day.
2018: Intense heat prompted the introduction of the Extreme Heat Policy and a Heat Stress Scale to monitor and manage player safety.
2023: Matches were suspended as temperatures hit 36°C, a decision made under the Extreme Heat Policy to protect players and fans.
What to Expect in 2025
As the 2025 AO unfolds, the heat continues to be a significant factor. By day five, four days have already surpassed 25°C, and forecasts predict temperatures climbing well into the 30s in the coming days.
Staying Safe in the Heat
Heat doesn’t just impact professional athletes—it’s a challenge for everyone. To stay safe and enjoy summer activities responsibly, here are some top tips:
Stay Hydrated: Drink water regularly, even if you’re not thirsty, and avoid dehydrating drinks like caffeine and alcohol. Always carry a refillable water bottle.
Protect Yourself: Wear loose-fitting long sleeves, apply sunscreen frequently, wear a hat, and seek shade whenever possible. Don’t forget to slide on a pair of sunglasses to protect your eyes.
Time Your Activities: Opt for early morning or late afternoon for outdoor activities when it’s cooler, and familiarize yourself with venue policies for managing heat.
Check on Others: Pay special attention to children, the elderly, and vulnerable individuals to ensure they’re coping with the heat.
Looking Ahead
As Australia faces rising temperatures, the Australian Open stands as both a symbol of resilience and a reminder of the urgent need to address climate change. From innovative heat management policies to raising awareness about staying safe, the AO is adapting to its challenging environment. Yet, the broader challenge remains for all Australians to confront climate change and protect not only the future of sport but the well-being of the nation.
Are Australian sports doing enough to adapt to climate change? | 7.30
Video by ABC News In-depth
