Climateby Month

Quincy, MA climate by month

NOAA 1991-2020 normals · 35 ft elevation

Summers in Quincy are warm and often humid; winters are cold and snowy. Highs peak at 83°F in July and fall to 38°F in January. Wet days are spread through the year, from about 9 to 12 a month. Normal snowfall is about 49 in a year. The most comfortable time to visit is May and June.

Warmest month
83°F
July normal high
Coldest month
22°F
January normal low
Wet days a year
128
43.6 in of precipitation
Snow a year
49.2 in
normal snowfall

How warm is Quincy?

Normal highs range from 38°F in January to 83°F in July.

20°40°60°80°100° January: normal high 38°F (3°C), low 22°F (-6°C) 38° 22° February: normal high 40°F (4°C), low 23°F (-5°C) March: normal high 47°F (8°C), low 29°F (-2°C) April: normal high 58°F (14°C), low 38°F (3°C) May: normal high 69°F (21°C), low 48°F (9°C) June: normal high 77°F (25°C), low 57°F (14°C) July: normal high 83°F (28°C), low 63°F (17°C) 83° 63° August: normal high 82°F (28°C), low 62°F (17°C) September: normal high 74°F (23°C), low 55°F (13°C) October: normal high 63°F (17°C), low 44°F (7°C) November: normal high 52°F (11°C), low 35°F (2°C) December: normal high 43°F (6°C), low 27°F (-3°C) JFMAMJJASOND

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

How rainy is Quincy?

December has the most wet days (about 12); the year brings about 44 in of precipitation.

January: 12 wet days February: 11 wet days March: 12 wet days April: 12 wet days May: 12 wet days June: 11 wet days July: 9 wet days August: 9 wet days 9 September: 9 wet days October: 11 wet days November: 10 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 49.2 in a year, most of it in February.

January: 14.3 in of snow February: 14.4 in of snow 14.4 March: 9.0 in of snow April: 1.6 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: 0.2 in of snow November: 0.7 in of snow December: 9.0 in of snow JFMAMJJASOND

How humid is Quincy?

Muggy days peak in July, at about 10 days.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 0 muggy days June: 3 muggy days July: 10 muggy days 10 August: 9 muggy days September: 4 muggy days October: 0 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Gen E L Logan International Airport, 7.5 mi N of the city center.

How much daylight?

Daylight ranges from about 9.2 hours in December to 15.2 hours in June.

January: 9.5 hours of daylight February: 10.6 hours of daylight March: 11.9 hours of daylight April: 13.4 hours of daylight May: 14.6 hours of daylight June: 15.2 hours of daylight 15.2 July: 14.9 hours of daylight August: 13.8 hours of daylight September: 12.5 hours of daylight October: 11.1 hours of daylight November: 9.8 hours of daylight December: 9.2 hours of daylight 9.2 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Quincy, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 38°F22°F 3.4 in12 14.3 in 0 9.5 h
February 40°F23°F 3.2 in11 14.4 in 0 10.6 h
March 47°F29°F 4.2 in12 9.0 in 0 11.9 h
April 58°F38°F 3.6 in12 1.6 in 0 13.4 h
May 69°F48°F 3.3 in12 0.0 in 0 14.6 h
June 77°F57°F 3.9 in11 0.0 in 3 15.2 h
July 83°F63°F 3.3 in9 0.0 in 10 14.9 h
August 82°F62°F 3.2 in9 0.0 in 9 13.8 h
September 74°F55°F 3.6 in9 0.0 in 4 12.5 h
October 63°F44°F 4.0 in11 0.2 in 0 11.1 h
November 52°F35°F 3.7 in10 0.7 in 0 9.8 h
December 43°F27°F 4.3 in12 9.0 in 0 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 Quincy

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

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 290720
Feb 330615
Mar 44279
Apr 59771
May 731671
Jun 701372
Jul 58666
Aug 60854
Sep 681561
Oct 591160
Nov 44363
Dec 311714

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. How the score works.

Frost dates in Quincy

The last spring frost typically comes around Apr 25, and the first fall frost around Oct 22, leaving 177 frost-free days in a typical year.

Frost and freeze dates for Quincy
Typical date1 year in 10
Last spring frost (32°F)Apr 25after May 8
First fall frost (32°F)Oct 22before Oct 6
Last hard freeze (28°F)Apr 10after Apr 24
First hard freeze (28°F)Nov 2before Oct 19
Frost-free season177 daysunder 158 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: Hingham (USC00193624), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Massachusetts.

Hottest and coldest readings, 1991-2020

The highest reading was 101°F (July 22, 2011); the lowest was -10°F (February 14, 2016).

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

Near Quincy

Similar climates elsewhere

Where the numbers come from

  • Temperature, snow depth and frost dates: Hingham (USC00193624), 4.9 mi ESE of the city center, 35 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall, humidity and wind by hour and cloud cover: Boston Logan Intl Airport (USW00014739), 7.5 mi N of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Gen E L Logan International Airport (725090-14739), 7.5 mi N of the city center, 11 ft . Hourly observations, 1991-2020.

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