Last updated: March 2, 2024
The weather in Saint John, United States, during July is characterized by an average temperature of 24°C (75°F). Highs can soar to 32°C (91°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Saint John throughout July hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, Saint John averages 103 mm (4.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 47 minutes of daylight, with the sun shining for approximately 11 hours 40 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In July, the UV Index in Saint John reaches a maximum of 10, 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 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 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 | ||||||