Monza Heat-Hazard Race: F1's Italian Grand Prix This Weekend

Monza will be an oven this weekend.

Formula 1’s Italian Grand Prix has been officially classified as a “heat-hazard” race, with temperatures around the historic Monza circuit expected to climb well beyond the comfort zone for drivers and machinery alike.

Race organisers and the FIA moved after forecasts showed the mercury pushing past 31C during Sunday’s Grand Prix, triggering the sport’s formal high-heat protocols. Around Monza, north-east of Milan, ambient temperatures are set to sit in the mid-30s all weekend, having already hit 36C on Wednesday afternoon near Milan’s Linate airport.

That kind of heat turns a cockpit into a furnace. So the rules change.

Drivers are now permitted to run a cooling system under their fireproof overalls, circulating chilled liquid — typically glycol-based — through a network of thin tubes in a specially designed top. It’s one of the few ways to fight the brutal combination of cockpit heat, race suits, and the physical strain of a Grand Prix distance.

There is a catch. The cooling kit is optional, but the rulebook closes the loophole for anyone trying to save weight. Any driver who decides to go without the system must bolt 5kg of ballast into the car, wiping out any potential performance gain from running lighter.

In a sport obsessed with grams, 5kg is a big number. Teams now face a tactical call: accept the extra complexity and marginal weight of the cooling gear, or take the ballast and trust their driver’s conditioning inside a car that will feel like a sauna by half-distance.

Monza is famed for its speed. This year, it might be remembered for its heat.