Last updated: March 2, 2024
The weather in Saint John, United States, during June is characterized by an average temperature of 25°C (77°F). Highs can soar to 34°C (93°F), while lows may dip to 15°C (60°F). Typically, the humidity level in Saint John throughout June hovers around 83%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Saint John averages 101 mm (4.0 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 48 minutes of daylight, with the sun shining for approximately 10 hours 56 minutes each day. Additionally, there is a 41% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In June, the UV Index in Saint John reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 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 | 9 | 10 | 11 | 10 | 8 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||