Ottawa experiences about 2,080 hours of average sunshine annually (45% of possible). Predominate wind direction in Ottawa is from the West, Easterly air flow is more common during periods of wet weather as well as localized river/lake-effect cells on summer afternoons. Windspeed is on average higher during the winter, with northerly winds predominating during cold waves.
Ottawa experiences about 2080 hours of average sunshine annually (45% of possible). Predominate wind direction in Ottawa is from the West, Easterly air flow is more common during periods of wet weather as well as localized river/lake-effect cells on summer afternoons Windspeed is on average higher during the winter, with northerly winds predominating during cold waves.