Monthly Average Rainy days in Ontario (CA)
The number of days each month with rain, snow and hail in Ontario (California), the United States of America.
- Ontario has dry periods in May, June, July, August and September.
- On average, December is the most rainy with 7 days of rain/snow.
- On average, June is the driest month with 0 rainy days.
- The average annual number of rainy days is 39.
Current rainfall in Ontario (CA)
Sat Dec 28
20°C | 8°C
W 
2 m/s
2 m/s
broken clouds and no rain
Sun Dec 29
20°C | 8°C
W 3 m/s
3 m/s
clear and no rain
Mon Dec 30
20°C | 7°C
W 3 m/s
3 m/s
clear and no rain
