Last updated: March 2, 2024
The weather in Harriston, Canada, during July is characterized by an average temperature of 20°C (69°F). Highs can soar to 30°C (86°F), while lows may dip to 10°C (49°F). Typically, the humidity level in Harriston throughout July hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, Harriston averages 89 mm (3.5 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 15 hours 3 minutes of daylight, with the sun shining for approximately 11 hours 19 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In July, the UV Index in Harriston reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 3 | 5 | 7 | 8 | 9 | 9 | 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 | ||||||