Last updated: March 2, 2024
The weather in Thunder Bay, Canada, during June is characterized by an average temperature of 14°C (58°F). Highs can soar to 25°C (77°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Thunder Bay throughout June hovers around 71%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Thunder Bay averages 58 mm (2.3 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 16 hours 2 minutes of daylight, with the sun shining for approximately 11 hours 33 minutes each day. Additionally, there is a 42% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In June, the UV Index in Thunder Bay reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 14:00 and 16:00, 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 | 2 | 4 | 6 | 7 | 8 | 9 | 8 | 7 | 5 | 3 | 2 |
| 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 | ||||||