December weather forecast
Great Guana Cay, The Bahamas

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Weather in December

Witnessing the tail end of the year, December in Great Guana Cay, The Bahamas, presents a spectacular blend of winter sun and tropical breeze. December imitates November's weather, making it an ideal time for visitors seeking mild winter temperatures along with the charm of the archipelagic atmosphere. While the number of daylight hours falls to a yearly low, the climate remains warm and inviting. December welcomes the winter trend with cooler, windier conditions. The winds in this month blow at a steady speed of 23.5km/h (14.6mph), with gusts that reach a peak of 33km/h (20.5mph), wrapping up the year on a relatively cool note.

Temperature

Transitioning into December, Great Guana Cay experiences an average high-temperature of a still moderately hot 24.3°C (75.7°F), marking a minor shift from the preceding month. Throughout December in Great Guana Cay, The Bahamas, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 22.8°C (73°F).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Great Guana Cay, during December, the rain falls for 16.3 days and regularly aggregates up to 39mm (1.54") of precipitation. In Great Guana Cay, The Bahamas, during the entire year, the rain falls for 215.2 days and collects up to 816mm (32.13") of precipitation.

Daylight

December has the shortest days of the year, with an average of 10h and 30min of daylight.
On the first day of December, sunrise is at 06:40 and sunset at 17:15. On the last day of the month, sunrise is at 06:56 and sunset at 17:26 EST.

Sunshine

In December, the average sunshine in Great Guana Cay is 6.2h.

UV index

The average daily maximum UV index in December in Great Guana Cay is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 6 in December leads to these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are December temperatures in Great Guana Cay?

The high-temperature in Great Guana Cay during December is 24.3°C (75.7°F) and the low-temperature is 22.8°C (73°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in October is calculated to be 30°C (86°F).

What is the average humidity in December in Great Guana Cay?

The average relative humidity in December in Great Guana Cay is 75%.

How many days does it rain in December in Great Guana Cay?

In Great Guana Cay, The Bahamas, during December, the rain falls for 16.3 days and regularly aggregates up to 39mm (1.54") of precipitation.

What is the month with the shortest days in Great Guana Cay?

The month with the shortest days is December, with an average of 10h and 30min of daylight.

What is the average length of the day in December in Great Guana Cay?

The average day length in December is 10h and 30min.

When are sunrise and sunset in December in Great Guana Cay?

On the first day of December in Great Guana Cay, The Bahamas, sunrise is at 06:40 and sunset at 17:15. On the last day of the month, sunrise is at 06:56 and sunset at 17:26 EST.

How many hours of sunshine does Great Guana Cay have in December?

The average sunshine duration in December in Great Guana Cay is 6.2h.

What is the UV index intensity in December in Great Guana Cay?

The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Average temperature in December
Great Guana Cay, The Bahamas

Average temperature in December - Great Guana Cay, The Bahamas
  • Average high temperature in December: 24.3°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The months with the lowest average high temperature are February and March (23.2°C).

  • Average low temperature in December: 22.8°C

The month with the highest average low temperature is August (28°C).
The coldest month (with the lowest average low temperature) is March (21.3°C).

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Average pressure in December
Great Guana Cay, The Bahamas

Average pressure in December - Great Guana Cay, The Bahamas
  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is October (1013.8mbar).

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Average wind speed in December
Great Guana Cay, The Bahamas

Average wind speed in December - Great Guana Cay, The Bahamas
  • Average wind speed in December: 23.5km/h

The windiest month (with the highest average wind speed) is November (24.5km/h).
The calmest month (with the lowest average wind speed) is June (17.9km/h).

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Average humidity in December
Great Guana Cay, The Bahamas

Average humidity in December - Great Guana Cay, The Bahamas
  • Average humidity in December: 75%

The month with the highest relative humidity is June (79%).
The months with the lowest relative humidity are January, March and November (74%).

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Average rainfall in December
Great Guana Cay, The Bahamas

Average rainfall in December - Great Guana Cay, The Bahamas
  • Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is September (114mm).
The driest month (with the least rainfall) is February (33mm).

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Average rainfall days in December
Great Guana Cay, The Bahamas

Average rainfall days in December - Great Guana Cay, The Bahamas
  • Average rainfall days in December: 16.3 days

The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (12.8 days).

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Average daylight in December /
Average sunshine in December
Great Guana Cay, The Bahamas

Average daylight in December / Average sunshine in December - Great Guana Cay, The Bahamas
  • Average daylight in December: 10h and 3min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is April (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

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Average sunshine days in December
Great Guana Cay, The Bahamas

Average sunshine days in December - Great Guana Cay, The Bahamas
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is March (12.7 days).
The month with the least sunshine days is August (4.9 days).

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Average UV index in December
Great Guana Cay, The Bahamas

Average UV index in December - Great Guana Cay, The Bahamas
  • Average UV index in December: 6

The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is February (UV index 5).

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Average cloud cover in December
Great Guana Cay, The Bahamas

Average cloud cover in December - Great Guana Cay, The Bahamas
  • Average cloud cover in December: 38

The months with the most cloud cover are October and November (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 32).

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Average visibility in December
Great Guana Cay, The Bahamas

Average visibility in December - Great Guana Cay, The Bahamas
  • 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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Great Guana Cay, The Bahamas

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