December weather forecast
Biscayne, Belize

December

Weather in December

The first month of the winter, December, is still a warm month in Biscayne, Belize, with an average temperature varying between 21.7°C (71.1°F) and 27.2°C (81°F).

Temperature

Biscayne, Belize, registers an average high-temperature of a still warm 27.2°C (81°F) with the arrival of December, showing minor deviation from the preceding month. December in Biscayne witnesses an average low-temperature hovering around an agreeable 21.7°C (71.1°F).

Heat index

In December, the heat index is appraised at a hot 31°C (87.8°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

December is the most humid month in Biscayne, with an average relative humidity of 83%.

Rainfall

In December, the rain falls for 21.4 days. Throughout December, 82mm (3.23") of precipitation is accumulated. In Biscayne, during the entire year, the rain falls for 262.3 days and collects up to 1335mm (52.56") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 6min of daylight.
On the first day of December in Biscayne, sunrise is at 06:08 and sunset at 17:17. On the last day of the month, sunrise is at 06:24 and sunset at 17:29 CST.

Sunshine

In Biscayne, the average sunshine in December is 6.1h.

UV index

The months with the lowest UV index in Biscayne are January, February, August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What is the usual temperature for Biscayne in December?
In December, the average high-temperature and low-temperature in Biscayne are 27.2°C (81°F) and 21.7°C (71.1°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in December is appraised at 31°C (87.8°F).
What is the most humid month in Biscayne?
The most humid month in Biscayne is December, with an average relative humidity of 83%.
What is the average humidity in December in Biscayne?
In December, the average relative humidity in Biscayne, Belize, is 83%.
How many days does it rain in December in Biscayne?
In December, in Biscayne, the rain falls for 21.4 days. Throughout December, 82mm (3.23") of precipitation is accumulated.
What is the month with the shortest days in Biscayne?
With an average of 11h and 6min of daylight, December has the shortest days of the year in Biscayne.
How many hours of daylight does Biscayne have in December?
In December, the average day length is 11h and 5min.
When are sunrise and sunset in December in Biscayne?
On the first day of December in Biscayne, Belize, sunrise is at 06:08 and sunset at 17:17. On the last day of the month, sunrise is at 06:24 and sunset at 17:29 CST.
How long on average sun shines in December in Biscayne?
The average sunshine duration in December is 6.1h.
What are the months with the lowest UV index in Biscayne?
January, February, August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Biscayne, Belize.
What is the UV index reading in December in Biscayne?
In December, the average daily maximum UV index in Biscayne is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Biscayne, Belize
Average temperature in December
Biscayne, Belize
  • Average high temperature in December: 27.2°C

The warmest months (with the highest average high temperature) are August and September (30.7°C).
The month with the lowest average high temperature is January (26.5°C).

  • Average low temperature in December: 21.7°C

The month with the highest average low temperature is June (25.8°C).
The coldest month (with the lowest average low temperature) is January (21°C).

Average pressure in December - Biscayne, Belize
Average pressure in December
Biscayne, Belize
  • Average pressure in December: 1015.1mbar

The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is September (1010.8mbar).

Average wind speed in December - Biscayne, Belize
Average wind speed in December
Biscayne, Belize
  • Average wind speed in December: 10.9km/h

The windiest month (with the highest average wind speed) is June (13.6km/h).
The calmest month (with the lowest average wind speed) is October (9.9km/h).

Average humidity in December - Biscayne, Belize
Average humidity in December
Biscayne, Belize
  • Average humidity in December: 83%

The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is April (78%).

Average rainfall in December - Biscayne, Belize
Average rainfall in December
Biscayne, Belize
  • Average rainfall in December: 82mm

The wettest month (with the highest rainfall) is October (215mm).
The driest month (with the least rainfall) is April (31mm).

Average rainfall days in December - Biscayne, Belize
Average rainfall days in December
Biscayne, Belize
  • Average rainfall days in December: 21.4 days

The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is April (14.3 days).

Average daylight in December / Average sunshine in December - Biscayne, Belize
Average daylight in December /
Average sunshine in December
Biscayne, 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 August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in December - Biscayne, Belize
Average sunshine days in December
Biscayne, Belize
  • Average sunshine days in December: 7.4 days

The month with the most sunshine days is March (12.4 days).
The month with the least sunshine days is September (1.5 days).

Average UV index in December - Biscayne, Belize
Average UV index in December
Biscayne, Belize
  • Average UV index in December: 6

The months with the highest UV index are March, April, May, June, July and September (UV index 7).
The months with the lowest UV index are January, February, August, October, November and December (UV index 6).

Average cloud cover in December - Biscayne, Belize
Average cloud cover in December
Biscayne, Belize
  • Average cloud cover in December: 39

The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is April (Cloud cover 35).

Average visibility in December - Biscayne, Belize
Average visibility in December
Biscayne, Belize
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).

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