Ambergris CayePhoto: Cayo Espanto Private Island · CC BY-SA 4.0Belize · North America
Best time to visit Ambergris Caye
Ambergris Caye, with the town of San Pedro, sits on the Belize Barrier Reef, gateway to the famous Blue Hole. Warm and tropical; driest February to April.
Climate decision
Best travel months for Ambergris Caye
Joint highest scores
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Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
May · Wet days
6 days/month
1991–2025: 10 days/month
-4 days/month · lower
July · Monthly precipitation
217.1 mm/month
1991–2025: 147 mm/month
+70.1 mm/month · higher
May · Mean daily maximum
31.6 °C
1991–2025: 30.9 °C
+0.7 °C · higher
September · Sea temperature
30.2 °C
1991–2025: 29.7 °C
+0.5 °C · similar
June: 76/150 days at or above 30 °C; highest single value 36.4 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Rainfall rhythm
Ambergris Caye: rainfall separates the travel months
The driest and wettest months are 16.3 rainy days apart. Average daily highs vary by 3.9 °C, so both signals matter when choosing a month.
What matters
A warmer month is not automatically the most reliable. Read the drier windows alongside sunshine, sea temperature and the activity you have in mind.
Fewest rainy days
April · 5.5
Most rainy days
September · 21.8
Most sunshine
April · 7.6 h
Warmest sea
September · 29.7 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 27 | 23 | 14 | 95 | 5.1 | 80 | 2.1 | 27 | 73 |
| February | 28 | 23 | 8 | 45 | 6.2 | 76 | 2.1 | 27 | 83 |
| March | 29 | 24 | 6 | 35 | 7.1 | 73 | 2.2 | 27 | 83 |
| April | 30 | 25 | 5 | 38 | 7.6 | 73 | 2.2 | 28 | 80 |
| May | 31 | 26 | 10 | 102 | 7.4 | 75 | 2.2 | 28 | 69 |
| June | 30 | 27 | 18 | 199 | 6.6 | 81 | 2.2 | 29 | 57 |
| July | 30 | 27 | 19 | 147 | 6.9 | 82 | 2.1 | 29 | 56 |
| August | 30 | 27 | 20 | 160 | 6.9 | 81 | 2.0 | 29 | 54 |
| September | 30 | 27 | 22 | 189 | 6.3 | 84 | 1.8 | 30 | 53 |
| October | 29 | 26 | 21 | 227 | 5.8 | 85 | 1.9 | 29 | 57 |
| November | 28 | 24 | 17 | 161 | 5.3 | 84 | 2.0 | 28 | 65 |
| December | 27 | 23 | 16 | 101 | 4.9 | 82 | 2.0 | 27 | 68 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
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Where to stay in Ambergris Caye
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The number is the overall climate score, not a similarity score.
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Frequently asked questions
When is the best time to visit Ambergris Caye?
The strongest climate months are January, February, March, April. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Ambergris Caye?
The average daily maximum temperature in Ambergris Caye is highest in May at around 31 °C.
When is the sea warmest at Ambergris Caye?
In September, at around 30 °C.