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Beach Water Temperature Normals

 

Beach Temperature Normals ( °F) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Eastport, ME 40 37 38 41 44 46 51 51 52 50 49 45
Bar Harbor, ME 38 36 38 44 49 55 59 62 58 54 52 44
Portland, ME 34 33 37 40 49 56 61 62 59 52 47 39
Portsmouth Harbor, NH 40 35 37 43 50 55 60 62 59 52 48 41
Boston Harbor, MA 40 36 41 47 56 62 67 68 65 57 51 42

 

 

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