Last updated: March 2, 2024
The weather in Ontario, United States, during June is characterized by an average temperature of 21°C (70°F). Highs can soar to 32°C (90°F), while lows may dip to 11°C (52°F). Typically, the humidity level in Ontario throughout June hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Ontario averages 121 mm (4.8 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 15 hours 23 minutes of daylight, with the sun shining for approximately 11 hours 8 minutes each day. Additionally, there is a 54% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In June, the UV Index in Ontario reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 4 | 6 | 8 | 10 | 10 | 10 | 8 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||