Last updated: March 2, 2024
The weather in Groton, United States, during June is characterized by an average temperature of 18°C (64°F). Highs can soar to 24°C (76°F), while lows may dip to 12°C (53°F). Typically, the humidity level in Groton throughout June hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Groton averages 84 mm (3.3 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 48 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In June, the UV Index in Groton 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 | ||||||