Last updated: March 2, 2024
The weather in Napierville, Canada, during August is characterized by an average temperature of 21°C (70°F). Highs can soar to 31°C (89°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Napierville throughout August hovers around 75%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Napierville averages 115 mm (4.5 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 59 minutes of daylight, with the sun shining for approximately 10 hours 46 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In August, the UV Index in Napierville reaches a maximum of 8, 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 | 3 | 5 | 7 | 8 | 8 | 8 | 6 | 4 | 3 | 1 | 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 | ||||||