Those are called opportunistic illnesses, because they take advantage of your weakened immune system. They are often fatal. 1  Headache. 2  Diarrhea. 3  Nausea and vomiting. 4  Fatigue. 5  Aching muscles. 6  Sore throat.
The highest monthly average temperature in Boothbay Harbor for July is 68 degrees. The lowest monthly average temperature in Boothbay Harbor for January is 23 degrees. The most monthly precipitation in Boothbay Harbor occurs in October with 6 inches. The air quality index in Boothbay Harbor is 29% better than the national average. The pollution index in Boothbay Harbor is 52% better than the national average.
Cornwall: Annual Weather Averages. July is the hottest month in Cornwall with an average temperature of 16Â°C (61Â°F) and the coldest is February at 6Â°C (42Â°F) with the most daily sunshine hours at 13 in July.