CLIMATE CHARTS
Somerville, New Jersey
Latitude: 40.6153 Longitude: -74.6531
Elevation: 133.9 feet (40.8 meters)
Monthly Data Table for Somerville, New Jersey
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
37.7 |
41.0 |
49.6 |
61.4 |
71.5 |
80.2 |
84.9 |
82.9 |
75.8 |
64.0 |
53.7 |
42.3 |
Minimum Temperature |
°F |
18.1 |
19.8 |
26.8 |
36.2 |
46.1 |
55.9 |
61.0 |
59.7 |
51.8 |
39.6 |
31.4 |
23.1 |
Heating Degree Days |
°F |
1150 |
969 |
831 |
490 |
222 |
43 |
3 |
9 |
106 |
415 |
674 |
1001 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
4 |
30 |
134 |
249 |
204 |
70 |
6 |
0 |
0 |
Precipitation |
in. |
3.59 |
2.74 |
3.94 |
4.09 |
4.33 |
4.35 |
4.83 |
3.98 |
4.26 |
4.21 |
3.59 |
3.84 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
3.2 |
5.0 |
9.8 |
16.3 |
21.9 |
26.8 |
29.4 |
28.3 |
24.3 |
17.8 |
12.1 |
5.7 |
Minimum Temperature |
°C |
-7.7 |
-6.8 |
-2.9 |
2.3 |
7.8 |
13.3 |
16.1 |
15.4 |
11.0 |
4.2 |
-0.3 |
-4.9 |
Heating Degree Days |
°C |
639 |
538 |
462 |
272 |
123 |
24 |
2 |
5 |
59 |
231 |
374 |
556 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
2 |
17 |
74 |
138 |
113 |
39 |
3 |
0 |
0 |
Precipitation |
cm. |
9.12 |
6.96 |
10.01 |
10.39 |
11.00 |
11.05 |
12.27 |
10.11 |
10.82 |
10.69 |
9.12 |
9.75 |