Climateby Month

Boston vs Worcester weather

Boston, MA and Worcester, MA · 39 mi apart

July highs: 82°F in Boston, 80°F in Worcester (Boston is 2°F warmer). January highs: 37°F and 32°F (Boston is 5°F warmer). Boston has about 128 wet days a year, Worcester about 137. Muggy days: about 27 a year in Boston, about 23 in Worcester. Snow: 49.2 in a year in Boston, 72.9 in in Worcester.

Boston, MA

0°20°40°60°80°100° January: normal high 37°F (3°C), low 23°F (-5°C) 37° 23° February: normal high 39°F (4°C), low 25°F (-4°C) March: normal high 46°F (8°C), low 31°F (-1°C) April: normal high 56°F (13°C), low 41°F (5°C) May: normal high 67°F (19°C), low 50°F (10°C) June: normal high 76°F (24°C), low 60°F (16°C) July: normal high 82°F (28°C), low 66°F (19°C) 82° 66° August: normal high 80°F (27°C), low 65°F (18°C) September: normal high 73°F (23°C), low 58°F (14°C) October: normal high 62°F (17°C), low 48°F (9°C) November: normal high 52°F (11°C), low 38°F (3°C) December: normal high 42°F (6°C), low 29°F (-2°C) JFMAMJJASOND

Best months: May, June, September

Worcester, MA

0°20°40°60°80°100° January: normal high 32°F (0°C), low 17°F (-8°C) 32° 17° February: normal high 35°F (2°C), low 19°F (-7°C) March: normal high 43°F (6°C), low 26°F (-3°C) April: normal high 56°F (13°C), low 37°F (3°C) May: normal high 67°F (19°C), low 47°F (8°C) June: normal high 75°F (24°C), low 56°F (13°C) July: normal high 80°F (27°C), low 62°F (17°C) 80° 62° August: normal high 78°F (26°C), low 61°F (16°C) September: normal high 71°F (22°C), low 53°F (12°C) October: normal high 59°F (15°C), low 42°F (6°C) November: normal high 48°F (9°C), low 33°F (1°C) December: normal high 38°F (3°C), low 23°F (-5°C) JFMAMJJASOND

Best months: May, June, September

Which city for what

  • Milder winters: Boston (January high 37°F vs January high 32°F)
  • Less snow: Boston (49.2 in vs 72.9 in)
  • Longer growing season: Boston (218 frost-free days vs 181 frost-free days)

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 BostonAvg high WorcesterWet days BostonWet days Worcester
Winter (Dec-Feb)39°F35°F3435
Spring (Mar-May)56°F55°F3538
Summer (Jun-Aug)80°F77°F2933
Fall (Sep-Nov)62°F59°F3032

Side by side over a year

BostonWorcester
Hot days (90°F+)143
Freezing nights92130
Muggy days2723
Comfortable days7583
Precipitation43.6 in48.3 in
Snowfall49.2 in72.9 in
Frost dateslast Apr 4, first Nov 9last Apr 23, first Oct 21
Daylight in June / December15.2 h / 9.1 h15.2 h / 9.2 h
Best monthsMay, June, SeptemberMay, June, 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 BostonHigh WorcesterWet days BostonWet days Worcester
January37°F32°F1212
February39°F35°F1111
March46°F43°F1212
April56°F56°F1213
May67°F67°F1213
June76°F75°F1112
July82°F80°F911
August80°F78°F910
September73°F71°F910
October62°F59°F1112
November52°F48°F1011
December42°F38°F1212

Both charts use the same temperature scale.

Where the numbers come from

  • Boston, MA: temperature from Boston Logan Intl Airport (USW00014739), 2.5 mi E of the city center; precipitation from Boston Logan Intl Airport (USW00014739). NOAA 1991-2020 normals and daily records.
  • Worcester, MA: temperature from Worcester Rgnl Airport (USW00094746), 3.7 mi W of the city center; precipitation from Worcester Rgnl Airport (USW00094746). NOAA 1991-2020 normals and daily records.

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