Climateby Month

Edgartown, MA climate by month

NOAA 1991-2020 normals · 14 ft elevation

Summers in Edgartown are warm; winters are cold and snowy. Highs peak at 80°F in July and fall to 40°F in January. Wet days are spread through the year, from about 8 to 12 a month. Normal snowfall is about 25 in a year. The most comfortable time to visit is June and September.

Warmest month
80°F
July normal high
Coldest month
26°F
January normal low
Wet days a year
128
47.7 in of precipitation
Snow a year
25.3 in
normal snowfall

How warm is Edgartown?

Normal highs range from 40°F in January to 80°F in July.

20°40°60°80° 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

Bars run from the normal low to the normal high for each month.

How rainy is Edgartown?

December has the most wet days (about 12); the year brings about 48 in of precipitation.

January: 12 wet days February: 10 wet days March: 11 wet days April: 12 wet days May: 12 wet days June: 10 wet days July: 8 wet days 8 August: 9 wet days September: 9 wet days October: 11 wet days November: 11 wet days December: 12 wet days 12 JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 25.3 in a year, most of it in January.

January: 8.8 in of snow 8.8 February: 8.1 in of snow March: 4.7 in of snow April: 0.3 in of snow May: 0.0 in of snow 0.0 June: 0.0 in of snow July: 0.0 in of snow August: 0.0 in of snow September: 0.0 in of snow October: 0.0 in of snow November: 0.0 in of snow December: 3.4 in of snow JFMAMJJASOND

How humid is Edgartown?

Humidity data is not available for this location.

How much daylight?

Daylight ranges from about 9.2 hours in December to 15.1 hours in June.

January: 9.6 hours of daylight February: 10.6 hours of daylight March: 12.0 hours of daylight April: 13.3 hours of daylight May: 14.5 hours of daylight June: 15.1 hours of daylight 15.1 July: 14.8 hours of daylight August: 13.8 hours of daylight September: 12.5 hours of daylight October: 11.1 hours of daylight November: 9.9 hours of daylight December: 9.2 hours of daylight 9.2 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Edgartown, 1991-2020
MonthHighLowPrecip.Wet daysSnowDaylight
January 40°F26°F 4.1 in12 8.8 in 9.6 h
February 42°F27°F 3.6 in10 8.1 in 10.6 h
March 46°F32°F 4.8 in11 4.7 in 12.0 h
April 55°F40°F 4.2 in12 0.3 in 13.3 h
May 65°F49°F 3.7 in12 0.0 in 14.5 h
June 74°F58°F 3.4 in10 0.0 in 15.1 h
July 80°F64°F 2.6 in8 0.0 in 14.8 h
August 80°F64°F 3.7 in9 0.0 in 13.8 h
September 74°F58°F 3.9 in9 0.0 in 12.5 h
October 64°F48°F 4.6 in11 0.0 in 11.1 h
November 54°F40°F 4.2 in11 0.0 in 9.9 h
December 46°F31°F 4.8 in12 3.4 in 9.2 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Edgartown

By our comfort score, the best months are June and September.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 300716
Feb 340713
Mar 42087
Apr 53371
May 721560
Jun 862460
Jul 761641
Aug 751861
Sep 832650
Oct 631570
Nov 44371
Dec 33099

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. Comfortable days here are judged by temperature only (no humidity station nearby). How the score works.

Frost dates in Edgartown

The last spring frost typically comes around Apr 17, and the first fall frost around Nov 3, leaving 199 frost-free days in a typical year.

Frost and freeze dates for Edgartown
Typical date1 year in 10
Last spring frost (32°F)Apr 17after May 3
First fall frost (32°F)Nov 3before Oct 20
Last hard freeze (28°F)Apr 2after Apr 17
First hard freeze (28°F)Nov 16before Nov 1
Frost-free season199 daysunder 178 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Edgartown (USC00192501), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Massachusetts.

Hottest and coldest readings, 1991-2020

The highest reading was 96°F (August 3, 2006); the lowest was -6°F (January 16, 2004).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Edgartown

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Edgartown (USC00192501), 0.3 mi SW of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Plymouth Muni Airport (USW00054769), 38 mi NNW of the city center, 149 ft (135 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error