Ontario Intl Ap, California
ID: USW00003102 Latitude: 34.0561 Longitude: -117.6003
Elevation: 949.1 feet ( 289.3 meters)
Source: NOAA Climate Normals 1991-2020
Precipitation Total: 11.64 in., 4.58 cm.
Monthly Data Table for Ontario Intl Ap, 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 |
68.8 |
69.3 |
72.7 |
76.7 |
80.2 |
88.0 |
94.5 |
95.3 |
92.6 |
83.8 |
75.9 |
67.1 |
Minimum Temperature |
°F |
44.2 |
45.5 |
48.9 |
51.9 |
56.4 |
61.0 |
65.7 |
66.0 |
64.5 |
57.4 |
49.6 |
43.5 |
Heating Degree Days |
°F |
270.4 |
220.9 |
157.1 |
86.3 |
31.3 |
1.7 |
0.0 |
0.0 |
0.6 |
18.6 |
118.4 |
302.2 |
Cooling Degree Days |
°F |
6.8 |
8.1 |
26.9 |
65.3 |
133.6 |
286.6 |
468.0 |
485.2 |
406.9 |
192.3 |
50.9 |
1.7 |
Precipitation |
I |
1.9 |
1.9 |
1.3 |
0.8 |
0.4 |
0.0 |
0.1 |
0.0 |
0.1 |
0.3 |
0.9 |
2.4 |
Metric Units
Statistic |
Units |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Maximum Temperature |
°C |
20.4 |
20.7 |
22.6 |
24.8 |
26.8 |
31.1 |
34.7 |
35.2 |
33.7 |
28.8 |
24.4 |
19.5 |
Minimum Temperature |
°C |
6.8 |
7.5 |
9.4 |
11.1 |
13.6 |
16.1 |
18.7 |
18.9 |
18.1 |
14.1 |
9.8 |
6.4 |
Heating Degree Days |
°C |
132.4 |
104.9 |
69.5 |
30.2 |
-0.4 |
-16.8 |
-17.8 |
-17.8 |
-17.4 |
-7.4 |
48.0 |
150.1 |
Cooling Degree Days |
°C |
-14.0 |
-13.3 |
-2.8 |
18.5 |
56.4 |
141.4 |
242.2 |
251.8 |
208.3 |
89.1 |
10.5 |
-16.8 |
Precipitation |
M |
4.8 |
4.9 |
3.3 |
1.9 |
0.9 |
0.0 |
0.2 |
0.0 |
0.4 |
0.8 |
2.3 |
6.1 |