Last updated: March 2, 2024
The weather in Southwest Harbor, United States, during July is characterized by an average temperature of 15°C (59°F). Highs can soar to 19°C (67°F), while lows may dip to 12°C (54°F). Typically, the humidity level in Southwest Harbor throughout July hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, Southwest Harbor averages 82 mm (3.2 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 15 hours 5 minutes of daylight, with the sun shining for approximately 10 hours 16 minutes each day. Additionally, there is a 24% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In July, the UV Index in Southwest Harbor 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 | 4 | 6 | 7 | 8 | 8 | 8 | 6 | 4 | 2 | 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 | ||||||