Weather on Nantucket

January
high 40^of 4^oc
low 26^of -3^oc

May
high 62^of 17^oc
low 48^of 9^oc

September
high 70^of 21^oc
low 66^of 19^oc

February
high 41^of 5^oc
low 26^of -3^oc

June
high 71^of 22^oc
low 58^of 14^oc

October
high 59^of 15^oc
low 47^of 8^oc

March
high 42^of 6^oc
low 32^of 0^oc

July
high 78^of 25^oc
low 63^of 17^oc

November
high 48^of 9^oc
low 37^of 3^oc

April
high 53^of 12^oc
low 40^of 4^oc

August
high 76^of 24^oc
low 61^of 16^oc

December
high 40^of 4^oc
low 26^of -3^oc

Average Monthly Water Temperatures
as compiled by Dan Kelliher

January
32^o

February
34^o

March
37^o

April
47^o

May
58^o

June
67^o

July
73^o

August
75^o

September
68^o

October
58^o

November
48^o

December
35^o

Average Monthly Humidity
as compiled from city data

January
60-70%

February
56-71%

March
55-72%

April
50-70%

May
55-73%

June
57-75%

July
57-78%

August
58-80%

September
58-82%

October
55-79%

November
58-76%

December
59-73%