Mt Diablo Junction, California
ID: USC00045915 Latitude: 37.8792 Longitude: -121.9303
Elevation: 2169.9 feet ( 661.4 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 26.05 in., 10.26 cm.
Monthly Data Table for Mt Diablo Junction, 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 |
54.7 |
55.7 |
57.9 |
62.5 |
68.3 |
77.5 |
82.5 |
82.6 |
80.0 |
71.3 |
60.9 |
54.0 |
Minimum Temperature |
°F |
42.4 |
41.8 |
42.4 |
44.4 |
49.1 |
56.1 |
61.7 |
61.0 |
59.7 |
54.6 |
46.8 |
41.1 |
Heating Degree Days |
°F |
510.1 |
455.0 |
461.2 |
356.6 |
240.2 |
82.3 |
20.7 |
16.5 |
44.9 |
138.2 |
344.0 |
540.6 |
Cooling Degree Days |
°F |
0.0 |
0.0 |
0.9 |
10.1 |
45.0 |
136.2 |
240.6 |
227.3 |
190.2 |
74.6 |
9.5 |
0.0 |
Precipitation |
I |
4.6 |
4.6 |
4.0 |
2.2 |
0.8 |
0.3 |
0.0 |
0.0 |
0.2 |
1.2 |
2.4 |
4.7 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
12.6 |
13.2 |
14.4 |
16.9 |
20.2 |
25.3 |
28.1 |
28.1 |
26.7 |
21.8 |
16.1 |
12.2 |
Minimum Temperature |
°C |
5.8 |
5.4 |
5.8 |
6.9 |
9.5 |
13.4 |
16.5 |
16.1 |
15.4 |
12.6 |
8.2 |
5.1 |
Heating Degree Days |
°C |
265.6 |
235.0 |
238.4 |
180.3 |
115.7 |
27.9 |
-6.3 |
-8.6 |
7.2 |
59.0 |
173.3 |
282.6 |
Cooling Degree Days |
°C |
-17.8 |
-17.8 |
-17.3 |
-12.2 |
7.2 |
57.9 |
115.9 |
108.5 |
87.9 |
23.7 |
-12.5 |
-17.8 |
Precipitation |
M |
11.7 |
11.8 |
10.1 |
5.7 |
2.0 |
0.7 |
0.0 |
0.1 |
0.4 |
3.0 |
6.0 |
12.0 |