June Weather in Groton

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%.

12°C (53°F)

Minimum temperature

18°C (64°F)

Average temperature

24°C (76°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

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.

84 mm (3.3 inches)

Precipitation

10 rainy days

Rainy days

10 hours 48 minutes

Sunshine hours

40%

Chance of sun

UV Index

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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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

Compare Groton's Climate with Cities Worldwide