Belize
Ambergris Caye in May: weather, sea & travel advice
This month's data profile
Sea conditions lead
Ambergris Caye in May is climatically well suited to beach holidays and family holidays. The average daily high is around 31 °C, and the sea is about 28 °C. With about 10 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
69/100 · #5
Warmth
#1
Dryness
#4
Sun
#2
Sea warmth
#6
Published best categories: none
Ambergris Caye · MayPhoto: Cayo Espanto Private Island · CC BY-SA 4.0Climate facts
- Average high
- 31 °C
- Average low
- 26 °C
- Sea
- 28 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 75 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| April | 30 | 25 | 5 | 38 | 7.6 | 73 | 2.2 | 28 | 80 |
| May (selected) | 31 | 26 | 10 | 102 | 7.4 | 75 | 2.2 | 28 | 69 |
| June | 30 | 27 | 18 | 199 | 6.6 | 81 | 2.2 | 29 | 57 |
How do the previous and next months compare?
Baseline: May (69/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| April | +11 | -0.5 °C | -1 °C | -4.5 | -64.1 mm | +0.2 h | -2 % | ±0 m/s | -0.9 °C |
| June | -12 | -1 °C | +0.4 °C | +7.8 | +96.6 mm | -0.8 h | +6.2 % | ±0 m/s | +0.4 °C |
All twelve months in context

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Where to stay in Ambergris Caye
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Frequently asked questions
How warm is Ambergris Caye in May?
The average daily high is around 31 °C, with an average daily low of about 26 °C.
Can you swim in Ambergris Caye in May?
The sea is about 28 °C (very warm).
Does it rain a lot in Ambergris Caye in May?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 102 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. May is not among them.