Boston Climate Guide

The Climate Guide for Boston, Massachusetts is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Boston Weather Massachusetts Summary Boston Climate Boston Today Boston Forecast Boston When Best
Boston Weather Massachusetts Summary Boston Climate Boston Today Boston Forecast Boston When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 2°C (36°F) Max Daytime Temperature in January in Boston 3°C (37°F) Max Daytime Temperature in February in Boston 8°C (46°F) Max Daytime Temperature in March in Boston 14°C (57°F) Max Daytime Temperature in April in Boston 20°C (68°F) Max Daytime Temperature in May in Boston 25°C (77°F) Max Daytime Temperature in June in Boston 28°C (82°F) Max Daytime Temperature in July in Boston 27°C (81°F) Max Daytime Temperature in August in Boston 22°C (72°F) Max Daytime Temperature in September in Boston 16°C (61°F) Max Daytime Temperature in October in Boston 11°C (52°F) Max Daytime Temperature in November in Boston 4°C (39°F) Max Daytime Temperature in December in Boston
Min Night-time Temperature (°C) -8°C (18°F) Min Night-time Temperature in January in Boston -7°C (19°F) Min Night-time Temperature in February in Boston -2°C (28°F) Min Night-time Temperature in March in Boston 3°C (37°F) Min Night-time Temperature in April in Boston 9°C (48°F) Min Night-time Temperature in May in Boston 14°C (57°F) Min Night-time Temperature in June in Boston 17°C (63°F) Min Night-time Temperature in July in Boston 16°C (61°F) Min Night-time Temperature in August in Boston 12°C (54°F) Min Night-time Temperature in September in Boston 5°C (41°F) Min Night-time Temperature in October in Boston 1°C (34°F) Min Night-time Temperature in November in Boston -5°C (23°F) Min Night-time Temperature in December in Boston
Hours of Sunshine (Daily) 5 Hours of Bright Sunshine per day (55% of Daylight Hours) in January in Boston 6 Hours of Bright Sunshine per day (56% of Daylight Hours) in February in Boston 7 Hours of Bright Sunshine per day (56% of Daylight Hours) in March in Boston 7 Hours of Bright Sunshine per day (54% of Daylight Hours) in April in Boston 8 Hours of Bright Sunshine per day (57% of Daylight Hours) in May in Boston 9 Hours of Bright Sunshine per day (61% of Daylight Hours) in June in Boston 9 Hours of Bright Sunshine per day (63% of Daylight Hours) in July in Boston 9 Hours of Bright Sunshine per day (63% of Daylight Hours) in August in Boston 8 Hours of Bright Sunshine per day (61% of Daylight Hours) in September in Boston 7 Hours of Bright Sunshine per day (59% of Daylight Hours) in October in Boston 5 Hours of Bright Sunshine per day (47% of Daylight Hours) in November in Boston 5 Hours of Bright Sunshine per day (49% of Daylight Hours) in December in Boston
Hours of Daylight (Daily) 9 Hours of Daylight in January in Boston 11 Hours of Daylight in February in Boston 12 Hours of Daylight in March in Boston 13 Hours of Daylight in April in Boston 15 Hours of Daylight in May in Boston 15 Hours of Daylight in June in Boston 15 Hours of Daylight in July in Boston 14 Hours of Daylight in August in Boston 12 Hours of Daylight in September in Boston 11 Hours of Daylight in October in Boston 10 Hours of Daylight in November in Boston 9 Hours of Daylight in December in Boston
Heat and Humidity Discomfort No Heat & Humidity in January in Boston No Heat & Humidity in February in Boston No Heat & Humidity in March in Boston No Heat & Humidity in April in Boston No Heat & Humidity in May in Boston Low Heat & Humidity in June in Boston Moderate Heat & Humidity in July in Boston Low Heat & Humidity in August in Boston No Heat & Humidity in September in Boston No Heat & Humidity in October in Boston No Heat & Humidity in November in Boston No Heat & Humidity in December in Boston
Days with some Rainfall 11 Days with some Rainfall in January in Boston 9 Days with some Rainfall in February in Boston 12 Days with some Rainfall in March in Boston 11 Days with some Rainfall in April in Boston 11 Days with some Rainfall in May in Boston 11 Days with some Rainfall in June in Boston 9 Days with some Rainfall in July in Boston 10 Days with some Rainfall in August in Boston 9 Days with some Rainfall in September in Boston 8 Days with some Rainfall in October in Boston 11 Days with some Rainfall in November in Boston 12 Days with some Rainfall in December in Boston
Monthly Rainfall (mm) 110 mm (4.3 inches) Monthly Rainfall in January in Boston 91 mm (3.6 inches) Monthly Rainfall in February in Boston 108 mm (4.3 inches) Monthly Rainfall in March in Boston 101 mm (4.0 inches) Monthly Rainfall in April in Boston 91 mm (3.6 inches) Monthly Rainfall in May in Boston 91 mm (3.6 inches) Monthly Rainfall in June in Boston 96 mm (3.8 inches) Monthly Rainfall in July in Boston 101 mm (4.0 inches) Monthly Rainfall in August in Boston 98 mm (3.9 inches) Monthly Rainfall in September in Boston 108 mm (4.3 inches) Monthly Rainfall in October in Boston 112 mm (4.4 inches) Monthly Rainfall in November in Boston 101 mm (4.0 inches) Monthly Rainfall in December in Boston
Chance of Ground Frost Ground Frost on most days in January in Boston Ground Frost on most days in February in Boston Ground Frost on most days in March in Boston Ground Frost may occur in April in Boston No Chance of Ground Frost in May in Boston No Chance of Ground Frost in June in Boston No Chance of Ground Frost in July in Boston No Chance of Ground Frost in August in Boston No Chance of Ground Frost in September in Boston Ground Frost may occur in October in Boston Ground Frost may occur in November in Boston Ground Frost on most days in December in Boston
UV Index (Maximum) UV (Maximum) Index 1 (Low) in January in Boston UV (Maximum) Index 2 (Low) in February in Boston UV (Maximum) Index 4 (Moderate) in March in Boston UV (Maximum) Index 5 (Moderate) in April in Boston UV (Maximum) Index 7 (High) in May in Boston UV (Maximum) Index 8 (Very High) in June in Boston UV (Maximum) Index 8 (Very High) in July in Boston UV (Maximum) Index 8 (Very High) in August in Boston UV (Maximum) Index 6 (High) in September in Boston UV (Maximum) Index 4 (Moderate) in October in Boston UV (Maximum) Index 2 (Low) in November in Boston UV (Maximum) Index 1 (Low) in December in Boston
Sea Temperature (°C) 5°C (41°F) Sea Temperature in January in Boston 4°C (39°F) Sea Temperature in February in Boston 3°C (37°F) Sea Temperature in March in Boston 5°C (41°F) Sea Temperature in April in Boston 8°C (46°F) Sea Temperature in May in Boston 13°C (55°F) Sea Temperature in June in Boston 17°C (63°F) Sea Temperature in July in Boston 18°C (64°F) Sea Temperature in August in Boston 16°C (61°F) Sea Temperature in September in Boston 13°C (55°F) Sea Temperature in October in Boston 10°C (50°F) Sea Temperature in November in Boston 7°C (45°F) Sea Temperature in December in Boston
J F M A M J J A S O N D

Boston Climate Zone

Boston has a cold climate with hot summers and some rainfall in all months.
Boston Holidays Boston Flights Boston Hotels Boston Hire Cars Boston Villas Boston Transfers
Boston Holidays Boston Flights Boston Hotels Boston Hire Cars Boston Villas Boston Transfers

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Boston Weather by Month
Check the weather for a particular month in Boston by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Boston. If you are not sure where to go, why not try our Holiday Planner.
  · January   · February   · March   · April
  · May   · June   · July   · August
  · September   · October   · November   · December
Popular Climate Guide Regions

1.

Thailand

2.

Maldives

3.

Barbados

4.

Dominican Republic

5.

Cancun and Riviera Maya, Mexico

6.

Cuba

7.

Sri Lanka

8.

Antigua

9.

Goa, India

10.

Jamaica
Popular Climate Guide Destinations

1.

Cape Town, South Africa

2.

Mombasa, Kenya

3.

Sydney, New South Wales, Australia

4.

Bangkok, Thailand

5.

Male, Maldives

6.

Bridgetown, Barbados

7.

Santo Domingo, Dominican Republic

8.

Cancun, Cancun and Riviera Maya, Mexico

9.

Havana, Cuba

10.

Colombo, Sri Lanka

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