Climateby Month

Nantucket vs Edgartown weather

Nantucket, MA and Edgartown, MA · 23 mi apart

July highs: 75°F in Nantucket, 80°F in Edgartown (Edgartown is 5°F warmer). January highs: 40°F and 40°F. Nantucket has about 141 wet days a year, Edgartown about 128. Snow: 25.3 in a year in Nantucket, 25.3 in in Edgartown.

Nantucket, MA

20°40°60°80°100° January: normal high 40°F (4°C), low 27°F (-3°C) 40° 27° February: normal high 40°F (4°C), low 27°F (-3°C) March: normal high 44°F (7°C), low 32°F (0°C) April: normal high 52°F (11°C), low 39°F (4°C) May: normal high 61°F (16°C), low 47°F (8°C) June: normal high 69°F (21°C), low 56°F (13°C) July: normal high 75°F (24°C), low 63°F (17°C) August: normal high 76°F (24°C), low 62°F (17°C) 76° 62° September: normal high 70°F (21°C), low 57°F (14°C) October: normal high 62°F (17°C), low 49°F (9°C) November: normal high 53°F (12°C), low 40°F (4°C) December: normal high 45°F (7°C), low 32°F (0°C) JFMAMJJASOND

Best months: July, August

Edgartown, MA

20°40°60°80°100° January: normal high 40°F (4°C), low 26°F (-3°C) 40° 26° February: normal high 42°F (6°C), low 27°F (-3°C) March: normal high 46°F (8°C), low 32°F (0°C) April: normal high 55°F (13°C), low 40°F (4°C) May: normal high 65°F (18°C), low 49°F (9°C) June: normal high 74°F (23°C), low 58°F (14°C) July: normal high 80°F (27°C), low 64°F (18°C) 80° 64° August: normal high 80°F (27°C), low 64°F (18°C) September: normal high 74°F (23°C), low 58°F (14°C) October: normal high 64°F (18°C), low 48°F (9°C) November: normal high 54°F (12°C), low 40°F (4°C) December: normal high 46°F (8°C), low 31°F (-1°C) JFMAMJJASOND

Best months: June, September

Which city for what

  • Cooler summers: Nantucket (July high 75°F vs July high 80°F)
  • Fewer wet days: Edgartown (128 a year vs 141 a year)

Listed only where the difference is at least 3°F in highs, 10 days a year or 3 in of snow.

Season by season

SeasonAvg high NantucketAvg high EdgartownWet days NantucketWet days Edgartown
Winter (Dec-Feb)42°F42°F3434
Spring (Mar-May)52°F56°F3435
Summer (Jun-Aug)73°F78°F3727
Fall (Sep-Nov)62°F64°F3732

Side by side over a year

NantucketEdgartown
Hot days (90°F+)02
Freezing nights8696
Muggy days––
Comfortable days124118
Precipitation40.9 in47.7 in
Snowfall25.3 in25.3 in
Frost dateslast Apr 13, first Nov 8last Apr 17, first Nov 3
Daylight in June / December15.1 h / 9.3 h15.1 h / 9.2 h
Best monthsJuly, AugustJune, September

Day counts from each city's daily records, 1991-2020. Comfortable days: highs 65-80°F and dew point under 60°F.

Month by month

MonthHigh NantucketHigh EdgartownWet days NantucketWet days Edgartown
January40°F40°F1212
February40°F42°F1010
March44°F46°F1111
April52°F55°F1212
May61°F65°F1212
June69°F74°F1210
July75°F80°F128
August76°F80°F139
September70°F74°F139
October62°F64°F1311
November53°F54°F1111
December45°F46°F1212

Both charts use the same temperature scale.

Where the numbers come from

  • Nantucket, MA: temperature from Nantucket Mem Airport (USW00014756), 2.9 mi SE of the city center; precipitation from Nantucket Mem Airport (USW00014756). NOAA 1991-2020 normals and daily records.
  • Edgartown, MA: temperature from Edgartown (USC00192501), 0.3 mi SW of the city center; precipitation from Edgartown (USC00192501). NOAA 1991-2020 normals and daily records.

Every station for each city, including humidity and frost, is listed on the city page. Methodology.