Ontario, CA Weather Data

Ontario, CA Current Weather Data

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Ontario, CA Historical Weather Trends

*Historical weather data collected from Ontario, CA
Ontario, CA

Ontario, CA Chance of Sunshine

Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
64.52%
12
8
11
February
60.71%
10
7
11
March
64.52%
11
9
11
April
73.33%
12
10
8
May
74.19%
10
13
8
June
80.00%
12
12
6
July
93.55%
18
11
2
August
93.55%
19
10
2
September
86.67%
15
11
4
October
77.42%
13
11
7
November
72.41%
13
8
8
December
67.74%
13
8
10

Ontario, CA Historical Temperature

Month
Average
Max Average
Min Average
January
55.85°
67.92°
43.75°
February
54.58°
65.65°
43.43°
March
59.25°
71.28°
47.18°
April
62.68°
74.93°
50.37°
May
67.55°
79.75°
55.3°
June
72.81°
86.16°
59.41°
July
77.87°
91.75°
63.93°
August
79.74°
94.28°
65.12°
September
77.65°
91.88°
63.32°
October
68.9°
82.02°
55.74°
November
61.32°
73.68°
48.92°
December
53.34°
63.86°
42.78°

Ontario, CA Rainfall and Snowfall Average

Month
Average Rainfall
Average Snowfall
January
2.6 Inches
8.98 Inches
February
2.45 Inches
4.75 Inches
March
0.95 Inches
7.88 Inches
April
0.67 Inches
2.72 Inches
May
0.17 Inches
0 Inches
June
0 Inches
0 Inches
July
0.07 Inches
0 Inches
August
0 Inches
0 Inches
September
0.07 Inches
0 Inches
October
0.36 Inches
0.07 Inches
November
1.05 Inches
1.06 Inches
December
3.02 Inches
9.07 Inches

Ontario, CA Energy Demand

Month
Avg. Daily HDD (?)
Avg. Daily CDD (?)
Total
January
8.74
0.34
9.08
February
10.22
0
10.22
March
6
0.45
6.45
April
3.77
1.67
5.44
May
1.19
3.96
5.15
June
0.21
7.67
7.88
July
0
13.29
13.29
August
0
15.27
15.27
September
0.05
12.92
12.97
October
0.98
5.27
6.25
November
4.65
1.28
5.93
December
11.53
0.03
11.56