Belize
Caye Caulker weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Caye Caulker?
For a warm holiday, the best week has been 6–12 February (Weather Index 93). Favourable start dates for a 7-day trip run from 23 January to 4 March. May to September are warmest (31°C), April is driest and March, April and May have the most sun.
Hurricane season runs from 1 June to 30 November and is most active from mid-August to mid-October. These averages don’t show storm risk, so check the forecast and your travel cover nearer the time.
- Warmest
- May to September 31°C
- Coolest
- January 27°C
- Driest
- April 27% rain-day chance
- Wettest
- September 87% rain-day chance
- Sunniest
- March, April and May 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Caye Caulker
Caye Caulker historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 27.4 | 22.4 | 50.6 | 15.7 | 78.0 | 9.7 |
| February | 28.1 | 23.2 | 47.9 | 13.4 | 42.8 | 10.6 |
| March | 29.2 | 24.2 | 34.2 | 10.6 | 39.7 | 11.6 |
| April | 30.3 | 25.3 | 27.0 | 8.1 | 39.3 | 11.8 |
| May | 31.2 | 26.5 | 46.5 | 14.4 | 73.6 | 11.6 |
| June | 31.0 | 26.5 | 76.7 | 23.0 | 225.2 | 10.1 |
| July | 30.7 | 26.4 | 78.1 | 24.2 | 143.7 | 11.3 |
| August | 31.0 | 26.3 | 79.0 | 24.5 | 183.5 | 11.0 |
| September | 31.2 | 26.1 | 87.0 | 26.1 | 197.0 | 10.8 |
| October | 30.3 | 25.1 | 71.3 | 22.1 | 220.3 | 9.9 |
| November | 28.7 | 23.6 | 64.0 | 19.2 | 191.4 | 9.6 |
| December | 27.8 | 22.9 | 59.4 | 18.4 | 98.4 | 9.7 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.