December weather - Winter 2024

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average sea temperature in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

Yachts on the clear blue waters of a tropical lagoon in Hamilton, Bermuda

Weather in December

December, the last month of the year, marks the onset of winter in Hamilton. Accompanied by the lowest average sea temperatures dropping to 22.1°C (71.8°F), the outdoor activities are limited. Rainfall drops to 54mm (2.13"), the lowest for the year, with decreased daylight hours and a low UV index. In addition, with increased wind speeds and pressure, this month debuts crisp and cooler weather which invites wind-based activities enthusiastically.

Temperature

Hamilton notes an average high-temperature of a still pleasant 20.7°C (69.3°F) in December, displaying minor variation from November. Nighttime temperatures during December report a consistent average of 19.1°C (66.4°F).

Humidity

The months with the lowest humidity are January, November and December, with an average relative humidity of 74%.

Rainfall

In December, the rain falls for 15.8 days. Throughout December, 54mm (2.13") of precipitation is accumulated. In Hamilton, during the entire year, the rain falls for 201.7 days and collects up to 804mm (31.65") of precipitation.

Sea temperature

In Hamilton, in December, the average water temperature is 22.1°C (71.8°F).
Note: For someone not comfortable with cold, swimming in 22.1°C (71.8°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:02 and sunset at 17:13. On the last day of December, sunrise is at 07:20 and sunset at 17:24 AST.

Sunshine

The average sunshine in December in Hamilton is 5.2h.

UV index

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in December translates into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.

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Frequently asked questions

What are the temperatures in Hamilton in December?

In Hamilton, in December, the average high-temperature is 20.7°C (69.3°F), and the average low-temperature is 19.1°C (66.4°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 29°C (84.2°F).

What are the least humid months in Hamilton?

The months with the lowest humidity in Hamilton, Bermuda, are January, November and December, with an average relative humidity of 74%.

What is the average humidity in December in Hamilton?

The average relative humidity in December in Hamilton, Bermuda, is 74%.

How much does it rain in Hamilton in December?

In December, in Hamilton, the rain falls for 15.8 days. Throughout December, 54mm (2.13") of precipitation is accumulated.

What is the water temperature in December in Hamilton?

In December, the average sea temperature in Hamilton is 22.1°C (71.8°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.1°C (71.8°F) water may be enjoyable.

What is the month with the shortest days in Hamilton?

The month with the shortest days in Hamilton is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Hamilton have in December?

In December, the average day length in Hamilton is 10h and 4min.

What time are sunrise and sunset in December in Hamilton?

On the first day of December in Hamilton, sunrise is at 07:02 and sunset at 17:13. On the last day of the month, sunrise is at 07:20 and sunset at 17:24 AST.

How long on average sun shines in December in Hamilton?

In Hamilton, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Hamilton?

January through April, November and December, with an average maximum UV index of 5, are months with the lowest UV index.

How high is the UV index in December in Hamilton?

The average daily maximum UV index in December in Hamilton is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

22.7°C 72.9°F

20.7°C 69.3°F

19.8°C 67.6°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

27.2km/h 16.9mph

28.9km/h 18mph

30.8km/h 19.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

16.6

15.8

18.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

9.5

11.5

9.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Hamilton, Bermuda

Average high temperature in December: 20.7°C

The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is March (18.9°C).

Average low temperature in December: 19.1°C

The month with the highest average low temperature is August (26.8°C).
The coldest month (with the lowest average low temperature) is March (16.9°C).

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Average pressure in December
Hamilton, Bermuda

Average pressure in December: 1019.6mbar

The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is October (1016.6mbar).

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Average wind speed in December
Hamilton, Bermuda

Average wind speed in December: 27.4km/h

The windiest month (with the highest average wind speed) is February (29.4km/h).
The calmest month (with the lowest average wind speed) is August (17.2km/h).

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Average humidity in December
Hamilton, Bermuda

Average humidity in December: 74%

The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are January, November and December (74%).

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Average rainfall in December
Hamilton, Bermuda

Average rainfall in December: 54mm

The wettest month (with the highest rainfall) is August (93mm).
The driest month (with the least rainfall) is April (35mm).

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Average rainfall days in December
Hamilton, Bermuda

Average rainfall days in December: 15.8 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is May (11.9 days).

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Average sea temperature in December
Hamilton, Bermuda

Average sea temperature in December: 22.1°C

The best months for swimming (with the highest average sea temperature) are August and September (27.8°C).
The coldest month (with the lowest average sea temperature) is March (19.2°C).

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Average daylight in December /
Average sunshine in December
Hamilton, Bermuda

Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

Average sunshine in December: 5h and 1min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in December
Hamilton, Bermuda

Average sunshine days in December: 11.5 days

The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is August (7.3 days).

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Average UV index in December
Hamilton, Bermuda

Average UV index in December: 5

The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).

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Average cloud cover in December
Hamilton, Bermuda

Average cloud cover in December: 50

The months with the most cloud cover are January and February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Hamilton, Bermuda

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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December weather forecast
Hamilton, Bermuda

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