Belize
Ambergris Caye in October: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Ambergris Caye in October is climatically well suited to beach holidays. The average daily high is around 29 °C, and the sea is about 29 °C. With about 21 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
57/100 · #8
Warmth
#8
Dryness
#11
Sun
#9
Sea warmth
#3
Published best categories: none
Ambergris Caye · OctoberPhoto: Cayo Espanto Private Island · CC BY-SA 4.0Climate facts
- Average high
- 29 °C
- Average low
- 26 °C
- Sea
- 29 °C
- Rainy days (est.)
- 21 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 85 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| September | 30 | 27 | 22 | 189 | 6.3 | 84 | 1.8 | 30 | 53 |
| October (selected) | 29 | 26 | 21 | 227 | 5.8 | 85 | 1.9 | 29 | 57 |
| November | 28 | 24 | 17 | 161 | 5.3 | 84 | 2.0 | 28 | 65 |
How do the previous and next months compare?
Baseline: October (57/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| September | -4 | +1 °C | +1.1 °C | +1.1 | -38.3 mm | +0.5 h | -1.4 % | ±0 m/s | +0.6 °C |
| November | +8 | -1.1 °C | -1.6 °C | -4 | -66 mm | -0.5 h | -1.5 % | +0.1 m/s | -1 °C |
All twelve months in context

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Where to stay in Ambergris Caye
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Useful next decisions
Frequently asked questions
How warm is Ambergris Caye in October?
The average daily high is around 29 °C, with an average daily low of about 26 °C.
Can you swim in Ambergris Caye in October?
The sea is about 29 °C (very warm).
Does it rain a lot in Ambergris Caye in October?
The curated estimate is about 21 rainy days per month, not a directly measured long-term average. Total precipitation averages around 227 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. October is not among them.