December weather forecast
Plymouth, Montserrat

As the year wraps up, Plymouth experiences the onset of winter in December. Temperatures slowly drop to their annual lows, and the daylight hours reduce to 11.1 hours. A rainfall of 140mm (5.51") across 20 days signifies a gentle shift towards drier days. The city vibrates with the spirit of the holiday season, and the cool weather complements the festive mood. The end-year climate of Plymouth in December is a cool and pleasant closure to the year.

Temperature

The months of January and December bring the lowest temperatures in Plymouth, Montserrat, averaging a high of 29°C (84.2°F).

Rainfall

In Plymouth, in December, it is raining for 20 days, with typically 140mm (5.51") of accumulated precipitation. In Plymouth, Montserrat, during the entire year, the rain falls for 212 days and collects up to 1640mm (64.57") of precipitation.

Sea temperature

In Plymouth, in December, the average water temperature is 27°C (80.6°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

With an average of 11h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 06:22 and sunset at 17:34. On the last day of December, sunrise is at 06:37 and sunset at 17:46 AST.

Sunshine

September through December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 8, are months with the lowest UV index in Plymouth. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, the UV index of 8 transforms into the following advice:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.