Belize Weather in December
In Belize, December brings high daytime temperatures around 29°C (84°F), with nights cooling to 22°C (72°F). Expect quite a bit of rainfall this month.
Rainfall in Belize in December
You can expect rain on roughly 14 days based on historical data, averaging 100 mm (3.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Belize in December
Expect highs of 29°C (84°F) in Belize in December, with nights dropping to around 22°C (72°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows of 22°C (72°F), the nights are warm and generally comfortable.
Sunshine in Belize in December
The month enjoys around 192 hours of sunshine, creating mostly sunny days with good weather conditions.
Average water temperature in December
With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.Should you favor a climate that's both dry and comfortably warm, January and February typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belize, check out our Belize's climate page.
Belize Temperature in December
Daily Historical Temperatures
41-year average (1976-2025)
Based on our historical records, temperatures in Belize typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in December
Daily Historical Precipitation
41-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Belize in December
Browse day-by-day weather records for Belize spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Belize historical weather extremes in December
The extremes listed below come from historical weather data collected in Belize from 1996 through 2025.
- The hottest December day on record in Belize reached 36°C (97°F) (December 15, 2015).
- The lowest daytime temperature in December was 21°C (70°F), recorded on December 20, 1996.
- Nighttime temperatures dropped to 13°C (55°F) on December 17, 2012, marking the coldest December night on record.
Best Places in Belize in December
Find out more about the weather in Belize and which places have the best travel conditions in this month. See all of Belize in December →
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What to Wear in Belize in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Belize in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belize, check out our Belize's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Belize climate overview or explore weather in Belize.