December · Belize
Best time to visit Great Blue Hole in December Weather, crowds & prices
Weather in Great Blue Hole in December
Average temperature 27°C, 191 mm of rain, about 11 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.6/10
Ranked #12 of 12 months
- Avg temp
- 27°C
- Rainfall
- 191 mm
- Humidity
- 79%
- Days with 6h+ sun
- 11
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Great Blue Hole scores 5.6/10 for beach and coastal travel - ranked #12 of 12. Expect around 27°C, 191 mm of rain, and roughly 11 days with 6+ hours of sunshine this month.
The Great Blue Hole is a circular ocean sinkhole for advanced divers-sapphire depths off Lighthouse Reef. Best window: the drier months outside peak monsoon.
December in Great Blue Hole: mixed conditions, plan around the weather
Days in December average 27°C (81°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
191 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 5.6/10 on the same scale — 12th of 12 months, versus 9.5/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, April is materially better in Great Blue Hole — 3.9 points higher on the same scale.
Frequently asked
- What is the weather like in Great Blue Hole in December?
- In December, Great Blue Hole averages 27°C, 191 mm of rain, and about 11 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
- Is December a good time to visit Great Blue Hole?
- December earns a 5.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Great Blue Hole in December?
- Expect about 191 mm of rain in December. Average humidity is 79% and there are about 11 days with 6+ hours of sunshine.
Curated in Great Blue Hole
Tickets & experiences
Things to do in Great Blue Hole
Great Blue Hole, Belize. Live activities and tours from GetYourGuide, matched to this destination.