| Cape Hatteras Temperature |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Avg. Temperature |
44.6 |
45.5 |
51.6 |
58.9 |
67.0 |
74.2 |
78.3 |
78.4 |
74.2 |
65.4 |
57.0 |
49.0 |
62.0 |
| Avg. Max Temperature |
52.4 |
53.4 |
59.6 |
67.0 |
74.4 |
80.8 |
84.6 |
84.7 |
80.7 |
72.4 |
64.7 |
56.8 |
69.3 |
| Avg. Min Temperature |
36.7 |
37.6 |
43.6 |
50.8 |
59.6 |
67.5 |
71.8 |
72.0 |
67.6 |
58.3 |
49.3 |
41.1 |
54.7 |
| Days with Max Temp of 90 F or Higher |
0.0 |
0.0 |
0.0 |
0.0 |
< 0.5 |
1.0 |
2.0 |
2.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
5.0 |
| Days with Min Temp Below Freezing |
10.0 |
8.0 |
3.0 |
< 0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
< 0.5 |
1.0 |
6.0 |
28.0 |
| | |
| Cape Hatteras Heating and Cooling |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Heating Degree Days |
639 |
546 |
421 |
196 |
38.0 |
0.0 |
0.0 |
0.0 |
0.0 |
90.0 |
265 |
503 |
2698 |
| Cooling Degree Days |
6.0 |
0.0 |
6.0 |
13.0 |
100.0 |
276 |
412 |
415 |
276 |
102 |
25.0 |
7.0 |
1638 |
| | |
| Cape Hatteras Precipitation |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Precipitation (inches) |
5.3 |
4.1 |
4.3 |
3.5 |
4.0 |
4.1 |
5.0 |
6.0 |
5.3 |
5.0 |
5.0 |
4.5 |
56.1 |
| Days with Precipitation 0.01 inch or More |
11.0 |
10.0 |
11.0 |
8.0 |
10.0 |
9.0 |
12.0 |
11.0 |
9.0 |
9.0 |
9.0 |
10.0 |
120 |
| Monthly Snowfall (inches) |
0.4 |
0.5 |
0.4 |
< 0.05 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
0.0 |
< 0.05 |
0.6 |
1.9 |
| | |
| Other Cape Hatteras Weather Indicators |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Annual |
| Average Wind Speed |
11.9 |
12.0 |
11.9 |
11.7 |
10.7 |
10.6 |
10.0 |
9.5 |
10.4 |
11.0 |
10.8 |
11.3 |
11.0 |
| Clear Days |
9.0 |
9.0 |
10.0 |
10.0 |
9.0 |
7.0 |
7.0 |
8.0 |
10.0 |
11.0 |
10.0 |
10.0 |
109 |
| Partly Cloudy Days |
7.0 |
5.0 |
7.0 |
9.0 |
10.0 |
10.0 |
10.0 |
10.0 |
9.0 |
8.0 |
8.0 |
7.0 |
101 |
| Cloudy Days |
16.0 |
14.0 |
14.0 |
11.0 |
13.0 |
12.0 |
14.0 |
13.0 |
11.0 |
12.0 |
12.0 |
14.0 |
156 |
| Percent of Possible Sunshine |
48.0 |
52.0 |
60.0 |
67.0 |
65.0 |
65.0 |
65.0 |
65.0 |
64.0 |
60.0 |
56.0 |
48.0 |
60.0 |
| Avg. Relative Humidity |
60.5 |
74.0 |
72.5 |
70.5 |
70.5 |
73.5 |
76.5 |
78.0 |
76.5 |
74.5 |
73.0 |
72.5 |
74.5 |