🌦

Boston, MA - Weather Data Archive

Historical records · 1872 – present

December 2009 — Daily weather log

Temp departure vs 1991–2020 normals · Precipitation · Snowfall

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1 -2°
43° / 33°
2 +4°
0.07"
53° / 35°
3 +20°
0.73"
69° / 50°
4 +10°
54° / 44°
5 +0°
0.35"
2.2"
45° / 33°
6 -4°
0.02"
0.5"
37° / 31°
7 -5°
39° / 28°
8 -2°
41° / 31°
9 +2°
1.03"
0.0"
48° / 32°
10 +0°
0.00"
0.0"
44° / 31°
11 -9°
31° / 24°
12 -9°
33° / 22°
13 -0°
0.73"
47° / 25°
14 +4°
43° / 37°
15 +7°
48° / 38°
16 -2°
0.00"
0.0"
40° / 27°
17 -16°
28° / 11°
18 -16°
28° / 10°
19 -10°
0.00"
0.0"
33° / 17°
20 -10°
0.55"
10.0"
30° / 19°
21 -8°
32° / 20°
22 -9°
31° / 20°
23 -13°
25° / 16°
24 -4°
40° / 20°
25 -1°
0.01"
0.3"
37° / 27°
26 +4°
0.00"
43° / 32°
27 +12°
0.25"
54° / 36°
28 +3°
0.05"
42° / 30°
29 -11°
31° / 12°
30 -12°
29° / 11°
31 -4°
0.12"
2.2"
32° / 24°
Click to Highlight:
3.91"
Total Precipitation
Month total
15.2"
Total Snowfall
Month total
-2.5°
Avg Temp Departure
vs 1991–2020 normals
11
Days Above Normal
of 31 days