The lake was losing two centimetres of water a day, he confirmed. Temperatures in Lake Garda are above average for August, according to seatemperature.org. On Friday, the lake's waters were nearly The yearly average maximum temperature in Lake Garda is 65°F (ranging from 47°F in january to 83°F in august). Annual rainfall is 50.6in, with a minimum of 2.2in in january and a maximum of 6.5in in june. Lake Garda water temperature - Peschiera del Garda Forum. Europe ; Italy ; Veneto ; Province of Verona ; Bus to Gardaland 02 August 2023; Beach with parking 31 Nature Water (2023) Climate change is one of the most severe threats to global lake ecosystems. Lake surface conditions, such as ice cover, surface temperature, evaporation and water level In Lake Garda, chl-a concentration was higher during the bloom, in particular in the Southern part of the lake, where on August 17th, it increased up to 8 mg m −3. Even if concentration values do not reach values typical of eutrophic environments, we considered these events as blooms, according to Reynolds & Walsby ( 1975 ). jkQBL.