Quincy, MA climate
Quincy has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 82°, a January night drops to 21°, and about 51 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade5° warmer than normal today. The forecast high is 73°, and a typical Oct 1 in Quincy peaks around 68°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Quincy feels like
Winter
Spring
Summer
Fall
Quincy weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 37° | 21° | 3.8" | 14.8" | 13 | 15 | 20° – 36° |
| February | 39° | 22° | 3.6" | 14.5" | 11 | 13 | 18° – 38° |
| March | 46° | 29° | 4.8" | 10.3" | 12 | 9 | 33° – 46° |
| April | 57° | 39° | 4.3" | 1.7" | 12 | 1 | 44° – 52° |
| May | 67° | 48° | 3.6" | 0 | 13 | 0 | 52° – 63° |
| June | 77° | 58° | 4.1" | 0 | 11 | 0 | 63° – 70° |
| July | 82° | 64° | 3.5" | 0 | 10 | 0 | 68° – 77° |
| August | 81° | 63° | 3.6" | 0 | 9 | 0 | 69° – 76° |
| September | 74° | 56° | 3.9" | 0 | 9 | 0 | 61° – 68° |
| October | 62° | 44° | 4.8" | 0.1" | 12 | 0 | 50° – 60° |
| November | 52° | 35° | 4.1" | 0.7" | 11 | 1 | 39° – 49° |
| December | 42° | 27° | 4.9" | 8.8" | 12 | 8 | 29° – 45° |
| Year | 60° | 42° | 49.0" | 50.9" | 137 | 46 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Quincy
Quincy gets 49 inches of rain and melted snow a year. December is the wettest month and July the driest. Rain or snow falls on about 137 days a year. Snow covers the ground about 46 days of the year.
About 177 frost-free days a year
In half of years the last 32° night comes by April 25 and the first one by October 22. That leaves about 177 frost-free days for gardens, shorter than 51% of U.S. towns.
Heating and cooling a home in Quincy
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Quincy, 89% of that work is heating and 11% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Quincy and its neighbors
Quincy borders 6 towns with climate data. January nights across them vary by 1.6°. Randolph Town has both the coldest January nights (20°) and the hottest July afternoons (83°). Quincy’s January low is 21° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Quincy compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Quincy averaged 2.1° warmer than the 1900s. The biggest change is in December (+3.6°). The shift is larger than in 96% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Quincy’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 18° to 38°. September is the most reliable, staying within 7°.
Common questions about Quincy’s climate
What is the coldest month in Quincy?
January, with a typical high of 37° and a low of 21°.
What is the hottest month in Quincy?
July, with a typical high of 82° and a low of 64°. About 13 days a year reach 90°.
How much snow does Quincy get?
About 51 inches in a normal winter, most of it in January.
When is the first frost in Quincy?
In half of years the first 32° night comes by October 22, and the last spring frost by April 25.
What is the rainiest month in Quincy?
December, with 4.9 inches of rain and melted snow. The year totals 49 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Quincy itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Hingham, MA (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.