Kelowna Weather Average July High: 28ºC (82ºF)Average January Temperature: -5ºC (23ºF)Annual Rainfall: 28 cm (11 in.)Annual Snowfall: 11 cm (4 in.) Area Info OverviewKelowna DiningKelowna ActivitiesKelowna WeatherKelowna WineriesKelowna Golf