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Boston, Massachusetts Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:
- Boston, Massachusetts, Usa latitude & longitude; 42°22'N 71°1'W.
- Altitude; 5 m (16 ft).
- The average temperature in Boston, Massachusetts, Usa is 10.8 °C (51 °F).
- The range of average monthly temperatures is 24.5 °C.
- The warmest average max/ high temperature is 28 °C (82 °F) in July.
- The coolest average min/ low temperature is -5 °C (23 °F) in January & February.
- Boston, Massachusetts receives on average 1086 mm (42.8 in) of precipitation annually or 91 mm (3.6 in) each month.
- On balance there are 128 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 10.7 days on an average month.
- The month with the driest weather is July when on balance 73 mm (2.9 in) of rain, sleet, hail or snow falls across 10 days.
- The month with the wettest weather is March when on balance 107 mm (4.2 in) of rain, sleet, hail or snow falls across 12 days.
- Mean relative humidity for an average year is recorded as 56.8% and on a monthly basis it ranges from 54% in April to 60% in January.
- There is an average range of hours of sunshine in Boston, Massachusetts of between 4.9 hours per day in January and 10.5 hours per day in July.
- On balance there are 2739 sunshine hours annually and approximately 7.5 sunlight hours for each day.
- On balance there are 103 days annually registering frost in Boston, Massachusetts and in January there are on average 27 days with frost.
Boston, Massachusetts Climate Graph (Metric | Imperial units)
Add the Boston, Massachusetts Climate Graph (metric) to your web page!
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Boston, Massachusetts Weather Averages
| |
Average Minimum Temperatures in Boston, Massachusetts, Usa (°C) |
Average Maximum Temperature in Boston, Massachusetts, Usa (°C) |
Boston, Massachusetts Average Temperature (°C) |
Average Sea Temp (°C) |
Average Precipitation/ Rainfall (mm) |
Wet Days (>0.1 mm) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed in Boston, Massachusetts (Beaufort) |
Average Number of Days with Frost |
|
| Weather in Boston, Massachusetts in January |
-5 |
3 |
-1 |
2 |
100 |
12 |
4.9 |
60 |
3 |
27 |
Average Temperature in Boston, Massachusetts in January |
| Weather in Boston, Massachusetts in February |
-5 |
3 |
-1 |
1 |
84 |
11 |
6.2 |
58 |
3 |
25 |
Average Temperature in Boston, Massachusetts in February |
| Weather in Boston, Massachusetts in March |
-1 |
7 |
3 |
3 |
107 |
12 |
6.8 |
55.0 |
3 |
19 |
Average Temperature in Boston, Massachusetts in March |
| Weather in Boston, Massachusetts in April |
4 |
13 |
9 |
7 |
96 |
12 |
7.2 |
54 |
3 |
3 |
Average Temperature in Boston, Massachusetts in April |
| Weather in Boston, Massachusetts in May |
10 |
20 |
15 |
12 |
85 |
12 |
8.8 |
55 |
3 |
0 |
Average Temperature in Boston, Massachusetts in May |
| Weather in Boston, Massachusetts in June |
15 |
25 |
20 |
16 |
88 |
11 |
10.1 |
57 |
2 |
0 |
Average Temperature in Boston, Massachusetts in June |
| Weather in Boston, Massachusetts in July |
19 |
28 |
24 |
18 |
73 |
10 |
10.5 |
56 |
2 |
0 |
Average Temperature in Boston, Massachusetts in July |
| Weather in Boston, Massachusetts in August |
17 |
27 |
22 |
19 |
93 |
10 |
9.3 |
57 |
2 |
0 |
Average Temperature in Boston, Massachusetts in August |
| Weather in Boston, Massachusetts in September |
14 |
23 |
19 |
17 |
88 |
9 |
8.3 |
59 |
2 |
0 |
Average Temperature in Boston, Massachusetts in September |
| Weather in Boston, Massachusetts in October |
8 |
17 |
13 |
13 |
80 |
9 |
7.1 |
56 |
2 |
1 |
Average Temperature in Boston, Massachusetts in October |
| Weather in Boston, Massachusetts in November |
3 |
11 |
7 |
9 |
100 |
10 |
5.5 |
58 |
3 |
7 |
Average Temperature in Boston, Massachusetts in November |
| Weather in Boston, Massachusetts in December |
-3 |
5 |
1 |
4 |
92 |
10 |
5.3 |
57 |
3 |
21 |
Average Temperature in Boston, Massachusetts in December |
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Add the Boston, Massachusetts Climograph/ Climate Chart (imperial) to your web page!
Use our imperial climate chart for Boston, Massachusetts on your travel or accommodation website to help people thinking of booking a flight or hotel, renting a villa or purchasing property etc. (a back link is required):
Boston, Massachusetts Temperatures in Farenheit
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Average Minimum Temperatures in Boston, Massachusetts, Usa (°F) |
Average Maximum Temperature in Boston, Massachusetts, Usa (°F) |
Average Temperature (°F) |
Average Sea Temp (°F) |
Average Precipitation/ Rainfall (in) |
Wet Days (>0.004 in) |
Average Sunlight Hours/ Day |
Relative Humidity (%) |
Average Wind Speed (Beaufort) |
Average Number of Days with Frost |
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| Temperatures in Boston, Massachusetts in January |
23 |
37 |
30 |
36 |
3.9 |
12 |
4.9 |
60 |
3 |
27 |
Climate in Boston, Massachusetts in January |
| Temperatures in Boston, Massachusetts in February |
23 |
37 |
30 |
34 |
3.3 |
11 |
6.2 |
58 |
3 |
25 |
Climate in Boston, Massachusetts in February |
| Temperatures in Boston, Massachusetts in March |
30 |
45 |
37 |
37 |
4.2 |
12 |
6.8 |
55 |
3 |
19 |
Climate in Boston, Massachusetts in March |
| Temperatures in Boston, Massachusetts in April |
39 |
55 |
47 |
45 |
3.8 |
12 |
7.2 |
54 |
3 |
3 |
Climate in Boston, Massachusetts in April |
| Temperatures in Boston, Massachusetts in May |
50 |
68 |
59 |
54 |
3.3 |
12 |
8.8 |
55 |
3 |
0 |
Climate in Boston, Massachusetts in May |
| Temperatures in Boston, Massachusetts in June |
59 |
77 |
68 |
61 |
3.5 |
11 |
10.1 |
57 |
2 |
0 |
Climate in Boston, Massachusetts in June |
| Temperatures in Boston, Massachusetts in July |
66 |
82 |
74 |
64 |
2.9 |
10 |
10.5 |
56 |
2 |
0 |
Climate in Boston, Massachusetts in July |
| Temperatures in Boston, Massachusetts in August |
63 |
81 |
72 |
66 |
3.7 |
10 |
9.3 |
57 |
2 |
0 |
Climate in Boston, Massachusetts in August |
| Temperatures in Boston, Massachusetts in September |
57 |
73 |
65 |
63 |
3.5 |
9 |
8.3 |
59 |
2 |
0 |
Climate in Boston, Massachusetts in September |
| Temperatures in Boston, Massachusetts in October |
46 |
63 |
55 |
55 |
3.1 |
9 |
7.1 |
56 |
2 |
1 |
Climate in Boston, Massachusetts in October |
| Temperatures in Boston, Massachusetts in November |
37 |
52 |
45 |
48 |
3.9 |
10 |
5.5 |
58 |
3 |
7 |
Climate in Boston, Massachusetts in November |
| Temperatures in Boston, Massachusetts in December |
27 |
41 |
34 |
39 |
3.6 |
10 |
5.3 |
57 |
3 |
21 |
Climate in Boston, Massachusetts in December |
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