December Weather in Cohasset

Last updated: March 2, 2024

The weather in Cohasset, United States, during December is characterized by an average temperature of 6°C (43°F). Highs can soar to 18°C (65°F), while lows may dip to -2°C (29°F). Typically, the humidity level in Cohasset throughout December hovers around 83%.

-2°C (29°F)

Minimum temperature

6°C (43°F)

Average temperature

18°C (65°F)

Maximum temperature

83%

Humidity

Precipitation and Sunshine hours

In December, Cohasset averages 154 mm (6.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 9 hours 22 minutes of daylight, with the sun shining for approximately 5 hours 40 minutes each day. Additionally, there is a 39% probability of sunny days during this period.

154 mm (6.1 inches)

Precipitation

11 rainy days

Rainy days

5 hours 40 minutes

Sunshine hours

39%

Chance of sun

UV Index

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

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