December weather forecast
Belize City, Belize

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Weather in December

December marks the end of the year with reasonably warm weather and lower rainfall in Belize City. The city glows under the winter sun, allowing enjoyable outdoor activities during extended daylight hours of 11.1. A slight drop in average temperatures to 28°C (82.4°F) and 20.4°C (68.7°F), high and low respectively, sets a relatively cooler ambience. Belize City transforms into a dazzling spectacle with festive decorations gracing its streets. Despite alternating sun and rain, the climatic conditions add to the cheer and joy of the holiday season in Belize City.

Temperature

December is marked by an average high-temperature of a still moderately hot 28°C (82.4°F), almost identical to the preceding month. In December, the recorded average low-temperature is an agreeable 20.4°C (68.7°F).

Heat index

In December, the average heat index is calculated to be a hot 33°C (91.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

The months with the highest humidity in Belize City are August, September, November and December, with an average relative humidity of 84%.

Rainfall

In Belize City, during December, the rain falls for 11.9 days and regularly aggregates up to 176mm (6.93") of precipitation. In Belize City, during the entire year, the rain falls for 136.2 days and collects up to 2014mm (79.29") of precipitation.

Sea temperature

In December, the average sea temperature in Belize City is 28°C (82.4°F).
Note: Swimming, diving, and other water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are highly enjoyable and provide prolonged comfort without unease.

Daylight

December has the shortest days of the year, with an average of 11h and 6min of daylight.
On the first day of the month, sunrise is at 06:07 and sunset at 17:16. On the last day of December, sunrise is at 06:22 and sunset at 17:29 CST.

Sunshine

The average sunshine in December in Belize City is 6.1h.

UV index

The month with the lowest UV index in Belize City is December, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 8 in December leads to these guidelines:
Emphasize protection. Neglecting it can lead to swift damage to the skin and eyes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
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Frequently asked questions

Is it hot in Belize City during December?

The high-temperature, in December, in Belize City, is 28°C (82.4°F), while the low-temperature averages to 20.4°C (68.7°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in December is calculated to be 33°C (91.4°F).

What are the most humid months in Belize City?

The months with the highest humidity are August, September, November and December, with an average relative humidity of 84%.

What is the average humidity in December in Belize City?

In Belize City, Belize, the average relative humidity in December is 84%.

How much does it rain in Belize City in December?

In December, in Belize City, Belize, the rain falls for 11.9 days. Throughout December, 176mm (6.93") of precipitation is accumulated.

What is the sea water temperature in December in Belize City?

In Belize City, Belize, the average seawater temperature in December is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the month with the shortest days in Belize City?

With an average of 11h and 6min of daylight, December has the shortest days of the year in Belize City.

What is the average length of the day in December in Belize City?

In December, the average day length in Belize City, Belize, is 11h and 6min.

When are sunrise and sunset in December in Belize City?

On the first day of December in Belize City, Belize, sunrise is at 06:07 and sunset at 17:16. On the last day of the month, sunrise is at 06:22 and sunset at 17:29 CST.

How long on average sun shines in December in Belize City?

In Belize City, the average sunshine duration in December is 6.1h.

When is the lowest UV index in Belize City?

The month with the lowest UV index in Belize City is December, with an average maximum UV index of 8.

What is the UV index intensity in December in Belize City?

In Belize City, Belize, the average daily maximum UV index in December is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Belize City, Belize

Average temperature in December - Belize City, Belize
  • Average high temperature in December: 28°C

The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (27.6°C).

  • Average low temperature in December: 20.4°C

The month with the highest average low temperature is June (24.7°C).
The coldest month (with the lowest average low temperature) is January (19.5°C).

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Average humidity in December
Belize City, Belize

Average humidity in December - Belize City, Belize
  • Average humidity in December: 84%

The months with the highest relative humidity are August, September, November and December (84%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in December
Belize City, Belize

Average rainfall in December - Belize City, Belize
  • Average rainfall in December: 175.6mm

The wettest month (with the highest rainfall) is September (286.5mm).
The driest month (with the least rainfall) is April (51.7mm).

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Average rainfall days in December
Belize City, Belize

Average rainfall days in December - Belize City, Belize
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is April (3.9 days).

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Average sea temperature in December
Belize City, Belize

Average sea temperature in December - Belize City, Belize
  • Average sea temperature in December: 28°C

The best months for swimming (with the highest average sea temperature) are May, June, July, August, September, October and November (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (27°C).

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Average daylight in December /
Average sunshine in December
Belize City, Belize

Average daylight in December / Average sunshine in December - Belize City, Belize
  • Average daylight in December: 11h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is April (Average sunshine: 8h and 30min).
The month with the least sunshine is September (Average sunshine: 5h and 54min).

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Average UV index in December
Belize City, Belize

Average UV index in December - Belize City, Belize
  • Average UV index in December: 8

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).

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Belize City, Belize

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