Milder temperatures are currently having a bigger impact on prices than the war in Ukraine, ARERA President Stefano Besseghini told the daily Il Corriere della Sera.

"If temperatures remain as they are, we might not affect gas storages too much," he said, adding that this would have a positive effect on both spot and forward markets, while a recently introduced method to calculate bills also had a role.

Late last year ARERA, which sets gas prices for Italian consumers, started setting regulated prices on a monthly, rather than quarterly basis, as market uncertainty over supplies grew on the back of the war in Ukraine.

On Tuesday, the authority that the price an average Italian household pays for its gas rose by 64.8% in 2022 on the year, while December's price was up 23.3% from the previous month.

(Reporting by Federico Maccioni; Editing by Cristina Carlevaro and Clarence Fernandez)