Last updated: March 2, 2024
The weather in Groton, United States, during July is characterized by an average temperature of 22°C (72°F). Highs can soar to 28°C (82°F), while lows may dip to 17°C (63°F). Typically, the humidity level in Groton throughout July hovers around 76%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In July, Groton averages 115 mm (4.5 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 14 hours 46 minutes of daylight, with the sun shining for approximately 11 hours 20 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 Groton reaches a maximum of 10, 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 | 4 | 6 | 8 | 9 | 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 | ||||||