Belize Weather In December: Sunny And Warm

If you're looking to escape the cold this December, Belize is the perfect tropical destination, with temperatures rarely falling below 64°F (16°C) in winter. The average daily high in December is 82°F, with lows of around 70°F. So you can expect mild days and cool nights, perfect for a Christmas vacation. The wet season is coming to an end in December, but there's still a chance of rain—so pack your umbrella!

Sea temperature

The sea temperature in Belize in December is ideal for swimming. While the exact sea temperature is unclear, the average monthly temperature in December in Belize falls to a low of 71°F (22°C) with highs of 80°F (27°C) and an average of around 75°F (24°C). The sea breezes and large tracts of jungle and rainforest in Belize provide cooling relief even in the hottest summer months, while winters are cool but never very cold. In short, the climate is pretty much near perfect. Even in winter, the temperature in Belize rarely falls below 60°F (16°C).

December is the perfect time to visit Belize for a comfortable Christmas holiday, with warm temperatures during the day and pleasantly cool evenings. The country experiences its dry season between February and May, with significantly lower rainfall than the rest of the year, and when rain does come, it is usually in mild, short bursts. June through December marks the country's wet season, when parts of the country receive up to 150 inches of rain and heavy, sometimes wild, storms associated with the Caribbean occur, usually in the late afternoon.

Belize has two seasons instead of four: the wet and the dry. The wet season is also hurricane season, and while statistically, Belize does not attract many major direct hits, it does get its share of severe tropical weather with high winds and rain. However, the country's safety, evacuation, and other procedures have proven to be effective.

Rainfall

December falls within Belize's wet season, which lasts from June through December. During this time, parts of the country receive up to 150 inches of rain, and heavy storms associated with the Caribbean occur, usually in the late afternoons.

The average sliding 31-day rainfall in Belize in December is around 3.5 inches at the start of the month, rarely exceeding 7.5 inches or falling below 0.5 inches. By the end of the month, this decreases to around 2.7 inches, rarely exceeding 5.6 inches or falling below 0.4 inches.

The chance of a wet day over the course of December remains relatively constant at around 26%. For reference, the year's highest daily chance of a wet day is 41% or 44% in September.

December in Belize usually arrives wet and becomes drier as the wet season begins to wind down. The country's dry season, which falls between February and May, has significantly lower rainfall than the rest of the year, and when rain does come, it is usually in mild, short bursts.

Sunshine hours

Belize has a very comfortable tropical climate with an average yearly temperature of 84° F (29°C). The temperature in December falls to an average low of 71°F (22°C) with highs of 80°F (27°C) or 82°F—the perfect weather to enjoy a comfortable Christmas holiday, with pleasantly cool evenings. The days are quite mild, and the temperature rarely falls below 64°F (16°C) or exceeds 86°F (30°C).

December marks the end of Belize's wet season, which lasts from June through December. The month usually arrives wet and leaves drier as the wet season begins to wind down. The average sliding 31-day rainfall during December in Belize is decreasing, starting the month at 3.5 or 3.6 inches, and ending the month at 2.7 or 2.9 inches.

The month of December in Belize experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 38% to 26%. The clearest day of the month is usually December 31, with clear, mostly clear, or partly cloudy conditions 74% of the time.

Over the course of December in Belize, the length of the day remains essentially constant. The shortest day of the month is December 20 or 21, with 11 hours, 5 or 6 minutes of daylight, and the longest day is December 1, with 11 hours, 9 or 10 minutes of daylight. The earliest sunrise of the month is around 6:07 AM or 6:09 AM on December 1, and the latest sunrise is 16 minutes later at 6:23 AM or 6:24 AM on December 31. The earliest sunset is around 5:16 PM or 5:19 PM on December 1, and the latest sunset is 13 minutes later at 5:29 PM or 5:31 PM on December 31.

UV index

The UV index in Belize in December varies between moderate and high. In Belmopan, Belize, the UV index in December ranges from 6 to 7, which is considered moderate. However, in Belize City, the average maximum UV index in December is 8, which is considered high. A UV Index reading of 8 to 10 represents a very high health hazard from unsafe exposure to UV radiation for the average person. Therefore, it is important to take precautions when spending time outdoors in Belize during December.

To protect yourself from the harmful effects of UV radiation, it is recommended to stay in the shade and avoid direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Wearing protective clothing, such as a hat and sunglasses, is also advised. Additionally, it is important to apply sunscreen with an SPF of 30 or higher every two hours when exposed to the sun. These precautions will help reduce the risk of sunburn and other negative health effects associated with UV radiation exposure.

Belize has a tropical climate, and the city experiences relatively high humidity levels throughout the year. The dry season in Belize typically occurs from December to May, and during this time, the rainfall decreases, and the weather becomes more pleasant and sunny. This makes it a popular time for tourists as it offers ideal conditions for outdoor activities. However, even during the dry season, the UV index can reach moderate to high levels, so it is important to take the necessary precautions to protect your skin and health.

The UV index in Belize can vary throughout the year, with the highest levels typically occurring during the summer months of March to May. During this period, the UV index can reach up to 10, which is considered very high. Even in December, when the UV index is relatively lower, it is important to be mindful of the risks associated with UV radiation exposure and to take the necessary precautions to stay safe in the sun.

Overall, while December in Belize offers enjoyable outdoor activities with its pleasant weather, it is important to be aware of the moderate to high UV index and take the necessary sun protection measures. By following the recommended precautions, you can safely enjoy the beauty and charm of Belize during this festive time of the year.

Daily highs and lows

December in Belize is characterised by daily high temperatures of around 82°F, rarely falling below 77°F or exceeding 86°F. The daily low temperatures are around 70°F, rarely falling below 64°F or exceeding 76°F. This makes December in Belize a great time to enjoy a comfortable Christmas holiday, with warm days perfect for swimming and pleasantly cool evenings.

December marks the end of Belize's wet season, which runs from June to November. The country experiences decreasing cloud cover during the month, with the chance of a wet day remaining relatively constant at around 26%. The average monthly rainfall decreases throughout the month, starting at around 3.5 inches at the beginning of the month and ending at approximately 2.7 inches.

The length of the day in December in Belize remains relatively constant, with the shortest day of the month having around 11 hours and 6 minutes of daylight and the longest day having about 11 hours and 10 minutes.

The average December temperatures in Belize range from a low of 71°F (22°C) to a high of 80°F (27°C). This is a great time of year to visit Belize, as the days are quite mild and the nights are cool, making it the perfect weather for a tropical Christmas vacation.

Frequently asked questions