CLIMATE CHARTS
Grafton, New Hampshire
Latitude: 43.5667 Longitude: -71.9500
Elevation: 830.1 feet (253.0 meters)
Monthly Data Table for Grafton, New Hampshire
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
27.8 |
31.6 |
40.2 |
54.1 |
66.5 |
74.9 |
79.0 |
77.3 |
69.9 |
57.1 |
45.4 |
33.1 |
Minimum Temperature |
°F |
4.3 |
5.5 |
16.0 |
27.9 |
38.5 |
48.6 |
53.0 |
51.2 |
43.5 |
31.2 |
24.4 |
12.4 |
Heating Degree Days |
°F |
1517 |
1300 |
1144 |
720 |
394 |
142 |
57 |
87 |
266 |
646 |
903 |
1310 |
Cooling Degree Days |
°F |
0 |
0 |
0 |
0 |
6 |
44 |
88 |
64 |
17 |
0 |
0 |
0 |
Precipitation |
in. |
2.78 |
2.59 |
2.88 |
3.26 |
3.51 |
4.00 |
3.82 |
3.78 |
3.36 |
4.49 |
3.41 |
2.84 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
-2.3 |
-0.2 |
4.6 |
12.3 |
19.2 |
23.8 |
26.1 |
25.2 |
21.1 |
13.9 |
7.4 |
0.6 |
Minimum Temperature |
°C |
-15.4 |
-14.7 |
-8.9 |
-2.3 |
3.6 |
9.2 |
11.7 |
10.7 |
6.4 |
-0.4 |
-4.2 |
-10.9 |
Heating Degree Days |
°C |
843 |
722 |
636 |
400 |
219 |
79 |
32 |
48 |
148 |
359 |
502 |
728 |
Cooling Degree Days |
°C |
0 |
0 |
0 |
0 |
3 |
24 |
49 |
36 |
9 |
0 |
0 |
0 |
Precipitation |
cm. |
7.06 |
6.58 |
7.32 |
8.28 |
8.92 |
10.16 |
9.70 |
9.60 |
8.53 |
11.40 |
8.66 |
7.21 |