October Weather in Groton

Last updated: March 2, 2024

The weather in Groton, United States, during October is characterized by an average temperature of 16°C (60°F). Highs can soar to 23°C (73°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Groton throughout October hovers around 75%.

6°C (44°F)

Minimum temperature

16°C (60°F)

Average temperature

23°C (73°F)

Maximum temperature

75%

Humidity

Precipitation and Sunshine hours

In October, Groton averages 157 mm (6.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 11 hours 2 minutes of daylight, with the sun shining for approximately 7 hours 29 minutes each day. Additionally, there is a 46% probability of sunny days during this period.

157 mm (6.2 inches)

Precipitation

12 rainy days

Rainy days

7 hours 29 minutes

Sunshine hours

46%

Chance of sun

UV Index

In October, the UV Index in Groton reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 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 1 2 3 5 6 6 5 4 2 1 1 0
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

Compare Groton's Climate with Cities Worldwide