December weather forecast
Saint John's, Montserrat

December

Weather in December

As the year rounds off, December brings Saint John's some coolness with the sea temperature dropping to 27.4°C (81.3°F). Further reduction in daylight to 11.1 hours marks the most succinct daylight duration. A crisp chill makes itself noticeable as the city wraps up in winter once again. The gentle chill of December, combined with scarce rainfall, strikes a balance between the cold of winter and the warmth of the annual closure. The weather transforms Saint John's into a winter wonderland, culminating the year on a meteorologically diverse note.

Sea temperature

In December, the average sea temperature is 27.4°C (81.3°F).
Note: Water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are pleasurable, without feeling uncomfortable even during extended periods.

Daylight

With an average of 11h and 6min 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 17:33. On the last day of December, in Saint John's, sunrise is at 06:37 and sunset at 17:46 AST.

Frequently asked questions

How warm is the water in December?
In December, the average sea temperature is 27.4°C (81.3°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 11h and 6min of daylight.
What is the average length of the day in December?
The average day length in December is 11h and 9min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 06:22 and sunset at 17:33. On the last day of the month, sunrise is at 06:37 and sunset at 17:46 AST.
Average sea temperature in December
Saint John's, Montserrat
  • Average sea temperature in December: 27.4°C

The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest month (with the lowest average sea temperature) is February (26.3°C).

Average daylight in December
Saint John's, Montserrat
  • Average daylight in December: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

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