Lytton receives of annual precipitation on average, making Lytton much drier than communities to the south, but certainly wetter than some of the driest spots in the BC interior such as Spences Bridge, Kamloops, and Osoyoos. However, Lytton has the driest summers in the interior of British Columbia, and indeed, one of the driest summers of all places in Canada. Maximum precipitation occurs in the cooler months, with the late autumn and early winter constituting the wettest time of the year.