Belize
Ambergris Caye in December: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Ambergris Caye in December is climatically well suited to beach holidays and family holidays. The average daily high is around 27 °C, and the sea is about 27 °C. With about 16 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
68/100 · #6
Warmth
#11
Dryness
#6
Sun
#12
Sea warmth
#9
Published best categories: none
Ambergris Caye · DecemberPhoto: Cayo Espanto Private Island · CC BY-SA 4.0Climate facts
- Average high
- 27 °C
- Average low
- 23 °C
- Sea
- 27 °C
- Rainy days (est.)
- 16 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 82 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| November | 28 | 24 | 17 | 161 | 5.3 | 84 | 2.0 | 28 | 65 |
| December (selected) | 27 | 23 | 16 | 101 | 4.9 | 82 | 2.0 | 27 | 68 |
| January | 27 | 23 | 14 | 95 | 5.1 | 80 | 2.1 | 27 | 73 |
How do the previous and next months compare?
Baseline: December (68/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| November | -3 | +0.5 °C | +0.7 °C | +0.9 | +60.5 mm | +0.4 h | +2 % | ±0 m/s | +0.9 °C |
| January | +5 | -0.1 °C | -0.5 °C | -2 | -6.2 mm | +0.2 h | -2.1 % | +0.1 m/s | -0.6 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Ambergris Caye in December?
The average daily high is around 27 °C, with an average daily low of about 23 °C.
Can you swim in Ambergris Caye in December?
The sea is about 27 °C (very warm).
Does it rain a lot in Ambergris Caye in December?
The curated estimate is about 16 rainy days per month, not a directly measured long-term average. Total precipitation averages around 101 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Ambergris Caye?
By the climate score, January, February, March and April are the strongest months for Ambergris Caye. For a beach trip: January, February, March and April. December is not among them.