Last updated: March 2, 2024
The weather in Port Rowan, Canada, during May is characterized by an average temperature of 10°C (51°F). Highs can soar to 18°C (65°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Port Rowan throughout May hovers around 82%.
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Average temperature
Maximum temperature
Humidity
In May, Port Rowan averages 106 mm (4.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 38 minutes of daylight, with the sun shining for approximately 9 hours 24 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
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Rainy days
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Chance of sun
In May, the UV Index in Port Rowan reaches a maximum of 9, 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 | 9 | 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 | ||||||