the park has an oceanic climate, heavily influenced by the gulf stream. it experiences mild winters ( february average) and cool summers ( july average). mean daily temperatures range from a low of in january to a high of in july. the park experiences high rainfall and changeable fronts, with light showery rainfall being frequent throughout the year. the mean rainfall is per year, 223 days per annum typically having more than precipitation. the mean number of frost days is 40.