December · Belize
Best time to visit Ambergris Caye in December Weather, crowds & prices
Weather in Ambergris Caye in December
Average temperature 25°C, 125 mm of rain, about 11 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
6.3/10
Ranked #11 of 12 months
- Avg temp
- 25°C
- Rainfall
- 125 mm
- Humidity
- 86%
- Days with 6h+ sun
- 11
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
December in Ambergris Caye scores 6.3/10 for beach and coastal travel - ranked #11 of 12. Expect around 25°C, 125 mm of rain, and roughly 11 days with 6+ hours of sunshine this month.
Ambergris Caye is Belize's largest island, with San Pedro town, a long reef and dive sites offshore.
December in Ambergris Caye — middling scores, decent value
With 25°C (78°F) on average, December delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
125 mm of rain signals a properly wet month, with only about 11 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6.3/10 on the same scale — 11th of 12 months, versus 9.7/10 for the best month here.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
Expect mid-season pricing, and crowds are light for this destination.
If your dates are flexible, April is materially better in Ambergris Caye — 3.4 points higher on the same scale.
Frequently asked
- What is the weather like in Ambergris Caye in December?
- In December, Ambergris Caye averages 25°C, 125 mm of rain, and about 11 days with 6+ hours of sunshine. Its climate-comfort score is 6.3/10.
- Is December a good time to visit Ambergris Caye?
- December earns a 6.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ambergris Caye in December?
- Expect about 125 mm of rain in December. Average humidity is 86% and there are about 11 days with 6+ hours of sunshine.
Curated in Ambergris Caye
Tickets & experiences
Things to do in Ambergris Caye
Ambergris Caye, Belize. Live activities and tours from GetYourGuide, matched to this destination.