Average Weather Data for Ontario, California
Monthly Averages
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Monthly high in °F: | 65° | 66° | 70° | 74° | 79° | 85° | 92° | 94° | 89° | 81° | 73° | 66° |
| Average Monthly low in °F: | 44° | 45° | 47° | 51° | 56° | 59° | 63° | 65° | 63° | 55° | 47° | 43° |
| Average Snow/Rain (Precip.) (in inches) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Days with precipitation: | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Hours of sunshine: | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Yearly Averages
| What's The Average High Temp in Ontario? | 77.8 °F |
| What's the Average Low in Ontario? | 53.2 °F |
| What's the Average Temperature in Ontario? | 65.5 °F |
| How Many Inches of Rain per year does Ontario get ? | 15.04 inches |
| How Many Rainy Days a year are there in Ontario? | N/A |
| How Much Sunshine each year is there in Ontario (in hours)? | N/A |
| How much, if any, snow falls each year in Ontario? | N/A |
N/A = This data was not available for this city. Usually this means the weather station did not supply, track, or have this particular information.
Ontario Temperature and Rain Graphs
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
25
50
75
100
Average high in °F
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
20
40
60
80
Average low in °F
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Average precipitation in inches
