You might spend a lot of your holiday inside, but if you're planning to venture beyond the casino, taking a look at local weather data can help you. The hottest months are usually July and August, with an average temperature of 10°C, while the coldest months are January and February, with an average of 1°C. The rainiest months in Luss are December, October, January and November, with each month seeing an average of 177 mm of rainfall.