Last updated: March 2, 2024
The weather in Grimsby, Canada, during July is characterized by an average temperature of 23°C (73°F). Highs can soar to 29°C (84°F), while lows may dip to 17°C (63°F). Typically, the humidity level in Grimsby throughout July hovers around 77%.
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Average temperature
Maximum temperature
Humidity
In July, Grimsby averages 88 mm (3.5 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 58 minutes of daylight, with the sun shining for approximately 11 hours 14 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
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Rainy days
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Chance of sun
In July, the UV Index in Grimsby 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 | 2 | 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 | ||||||