Ingonish Beach: are you wondering about the weather you might find during your holiday? Befor organizing a holiday we always think about the wheather we might find when we get there. In Ingonish Beach the average yearly temperature is 7°C. During the hottest month, which in this case is August, the temperature can get up to 19°C and the temperature of the sea reaches 19°C. Instead the coldest month is February, reaching a minimum temperature of -2°C. Here instead the water temperature drops to 0°C.