Half Moon Bay, California
ID: USC00043714 Latitude: 37.4725 Longitude: -122.4433
Elevation: 26.9 feet ( 8.2 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 26.04 in., 10.25 cm.
Monthly Data Table for Half Moon Bay, California
Monthly Data from NOAA Monthly Normals 2006-2020
Imperial Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°F |
59.9 |
59.7 |
60.3 |
61.3 |
62.1 |
64.5 |
65.0 |
65.5 |
66.8 |
67.0 |
62.9 |
59.1 |
Minimum Temperature |
°F |
43.7 |
42.3 |
43.3 |
45.1 |
48.2 |
50.4 |
53.4 |
54.6 |
51.5 |
47.9 |
44.3 |
42.1 |
Heating Degree Days |
°F |
409.8 |
391.9 |
409.2 |
354.0 |
305.4 |
227.5 |
180.7 |
155.7 |
179.1 |
238.1 |
342.6 |
446.3 |
Cooling Degree Days |
°F |
0.5 |
0.0 |
0.0 |
0.0 |
0.0 |
0.9 |
0.8 |
2.2 |
3.6 |
4.0 |
0.6 |
0.0 |
Precipitation |
I |
3.9 |
3.6 |
3.8 |
1.8 |
0.7 |
0.3 |
0.1 |
0.2 |
0.2 |
1.1 |
2.1 |
4.0 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
15.5 |
15.4 |
15.7 |
16.3 |
16.7 |
18.1 |
18.3 |
18.6 |
19.3 |
19.4 |
17.2 |
15.1 |
Minimum Temperature |
°C |
6.5 |
5.7 |
6.3 |
7.3 |
9.0 |
10.2 |
11.9 |
12.6 |
10.8 |
8.8 |
6.8 |
5.6 |
Heating Degree Days |
°C |
209.9 |
199.9 |
209.6 |
178.9 |
151.9 |
108.6 |
82.6 |
68.7 |
81.7 |
114.5 |
172.6 |
230.2 |
Cooling Degree Days |
°C |
-17.5 |
-17.8 |
-17.8 |
-17.8 |
-17.8 |
-17.3 |
-17.3 |
-16.6 |
-15.8 |
-15.6 |
-17.4 |
-17.8 |
Precipitation |
M |
9.9 |
9.3 |
9.6 |
4.6 |
1.7 |
0.8 |
0.4 |
0.5 |
0.6 |
2.9 |
5.4 |
10.2 |