Boston weather by month

Check out Boston weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Boston (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
6°C maximum daytime temperature in January in Boston6
7°C maximum daytime temperature in February in Boston7
9°C maximum daytime temperature in March in Boston9
12°C maximum daytime temperature in April in Boston12
16°C maximum daytime temperature in May in Boston16
19°C maximum daytime temperature in June in Boston19
21°C maximum daytime temperature in July in Boston21
21°C maximum daytime temperature in August in Boston21
18°C maximum daytime temperature in September in Boston18
15°C maximum daytime temperature in October in Boston15
9°C maximum daytime temperature in November in Boston9
7°C maximum daytime temperature in December in Boston7
Min temperature (night-time)
1°C minimum night-time temperature in January in Boston1
1°C minimum night-time temperature in February in Boston1
2°C minimum night-time temperature in March in Boston2
4°C minimum night-time temperature in April in Boston4
7°C minimum night-time temperature in May in Boston7
10°C minimum night-time temperature in June in Boston10
11°C minimum night-time temperature in July in Boston11
11°C minimum night-time temperature in August in Boston11
10°C minimum night-time temperature in September in Boston10
7°C minimum night-time temperature in October in Boston7
3°C minimum night-time temperature in November in Boston3
2°C minimum night-time temperature in December in Boston2
Heat & Humidity
No heat & humidity in January in Boston0
No heat & humidity in February in Boston0
No heat & humidity in March in Boston0
No heat & humidity in April in Boston0
No heat & humidity in May in Boston0
No heat & humidity in June in Boston0
No heat & humidity in July in Boston0
No heat & humidity in August in Boston0
No heat & humidity in September in Boston0
No heat & humidity in October in Boston0
No heat & humidity in November in Boston0
No heat & humidity in December in Boston0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Boston

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Boston8
10 hours of daylight per day in February in Boston10
12 hours of daylight per day in March in Boston12
14 hours of daylight per day in April in Boston14
16 hours of daylight per day in May in Boston16
17 hours of daylight per day in June in Boston17
16 hours of daylight per day in July in Boston16
15 hours of daylight per day in August in Boston15
13 hours of daylight per day in September in Boston13
11 hours of daylight per day in October in Boston11
9 hours of daylight per day in November in Boston9
8 hours of daylight per day in December in Boston8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Boston1
UV (maximum) index 1 (Low) in February in Boston1
UV (maximum) index 2 (Low) in March in Boston2
UV (maximum) index 4 (Moderate) in April in Boston4
UV (maximum) index 5 (Moderate) in May in Boston5
UV (maximum) index 6 (High) in June in Boston6
UV (maximum) index 6 (High) in July in Boston6
UV (maximum) index 5 (Moderate) in August in Boston5
UV (maximum) index 4 (Moderate) in September in Boston4
UV (maximum) index 2 (Low) in October in Boston2
UV (maximum) index 1 (Low) in November in Boston1
No UV (maximum) index in December in Boston0

Rainfall in Boston

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in Boston17
13 days with some rainfall in February in Boston13
16 days with some rainfall in March in Boston16
15 days with some rainfall in April in Boston15
14 days with some rainfall in May in Boston14
12 days with some rainfall in June in Boston12
11 days with some rainfall in July in Boston11
13 days with some rainfall in August in Boston13
12 days with some rainfall in September in Boston12
13 days with some rainfall in October in Boston13
16 days with some rainfall in November in Boston16
15 days with some rainfall in December in Boston15
Average monthly rainfall (mm)
49 mm monthly rainfall in January in Boston49
37 mm monthly rainfall in February in Boston37
46 mm monthly rainfall in March in Boston46
45 mm monthly rainfall in April in Boston45
49 mm monthly rainfall in May in Boston49
52 mm monthly rainfall in June in Boston52
46 mm monthly rainfall in July in Boston46
56 mm monthly rainfall in August in Boston56
46 mm monthly rainfall in September in Boston46
44 mm monthly rainfall in October in Boston44
55 mm monthly rainfall in November in Boston55
51 mm monthly rainfall in December in Boston51

More about Boston

Boston by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for England (Boston) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Boston?

Boston has a temperate climate with warm summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Boston hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about England

Compare Boston with the USA

Below the Boston chart shows average maximum daytime temperature for Boston, Lincolnshire, England and the USA (Washington).

Maximum daytime temperature (°C)

Boston, Lincolnshire, England
USA (Washington)
6
5
7
7
9
13
12
19
16
24
19
29
21
31
21
30
18
26
15
20
9
14
7
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Boston weather >>

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