Annual
Climatology: Boston, MA (BOS)
Elev: 6.1 m Lat: 42o 22'N Long: 71o 01'W
Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)
Month |
Daily Max |
Daily Min |
Mean |
Maximum Daily Temperature |
Minimum Daily Temperature |
January |
2.5 |
-5.5 |
-1.5 |
22.2 |
-24.4 |
February |
3.7 |
-4.3 |
-0.3 |
21.1 |
-27.8 |
March |
7.9 |
-0.3 |
3.8 |
31.7 |
-17.2 |
April |
13.4 |
4.7 |
9.1 |
34.4 |
-10.6 |
May |
19.3 |
10.1 |
14.7 |
35.6 |
1.1 |
June |
25.3 |
15.2 |
20.0 |
37.8 |
5.0 |
July |
27.9 |
18.6 |
23.3 |
39.4 |
10.0 |
August |
26.7 |
18.1 |
22.4 |
38.9 |
7.8 |
September |
22.5 |
13.8 |
18.2 |
37.8 |
2.8 |
October |
16.6 |
8.0 |
12.3 |
32.2 |
-3.9 |
November |
11.0 |
3.3 |
7.2 |
28.3 |
-13.3 |
December |
5.4 |
-2.3 |
1.6 |
24.4 |
-27.2 |
Annual |
15.2 |
6.6 |
10.9 |
39.4 |
-27.8 |
Month |
Mean |
Median |
Extreme |
Year |
Snow* |
January |
99.6 |
84.6 |
268.0 |
1979 |
337.8 |
February |
83.8 |
73.9 |
198.4 |
1984 |
287.0 |
March |
97.8 |
88.1 |
246.9 |
1983 |
203.2 |
April |
91.4 |
87.4 |
240.3 |
1987 |
27.9 |
May |
82.3 |
72.9 |
222.8 |
1984 |
0.0 |
June |
81.8 |
55.9 |
335.3 |
1982 |
0.0 |
July |
77.7 |
65.3 |
193.5 |
1988 |
0.0 |
August |
85.6 |
75.4 |
202.9 |
1976 |
0.0 |
September |
88.1 |
76.7 |
250.4 |
1999 |
0.0 |
October |
96.3 |
85.1 |
270.8 |
1996 |
0.0 |
November |
101.1 |
96.0 |
225.8 |
1983 |
35.6 |
December |
94.7 |
83.3 |
209.8 |
1992 |
170.2 |
Annual |
1080.3 |
1104.1 |
|
|
1061.7 |
* Snowfall totals represent
mean snowfall 1971-2000
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