SeasonMapCaye Caulker (Caulker) weather in May
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May in Caye Caulker: sweltering, a little rain, with muggy air — fine if you can take 37°C afternoons.
#4 of 12 months in Caye Caulker · #370 of 1383 destinations to visit in May · comfort 86/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Caye Caulker in May
Other months in Caye Caulker
Caye Caulker's forum calls March part of the driest, most reliable stretch of the year — regulars note forecasts often show rain that doesn't fully materialise, with actual showers usually brief rather than washing out the day. Wind stays moderate too, generally 10-12 mph, before picking up into stronger gusts from April onward.
Add your own note from Caye Caulker's card on the map.
Caye Caulker climate normals — May
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 37°C / 99°F | |
| Sea temperature | 29°C / 85°F | ♨️ bath-warm |
| Rainfall | 73 mm / 2.9 in | 🌦 some rain |
| Rainy days | 15 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 13 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Caye Caulker in May
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyDry season on the reef(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Caye Caulker's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherCaye Caulker's weather peaks February–April, best around March.
Best weatherFair weatherToughest weather
What's on in Caye Caulker in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Dry season on the reef
1 Feb – 31 May · usuallyCrowdedThe rain stops, the trades ease off through April and May, and the water over the reef goes glassy. It is the best run of the year for the Blue Hole day boats, which cancel outright in wind.
- Season
Sargassum on the windward side
1 Apr – 30 Sep · usuallySargassum seasonThe east shore and the Split collect weed through the summer and crews rake it at dawn. Swimming here is off a dock ladder in any case, which takes most of the sting out of it.
Nearby, and something's on
Within 300 km of Caye Caulker — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Caye Caulker?
Caye Caulker in May — FAQ
- Is May a good time to visit Caye Caulker?
- May in Caye Caulker: sweltering, a little rain, with muggy air — fine if you can take 37°C afternoons. It ranks #4 of 12 months for Caye Caulker on SeasonMap's comfort score (86/100).
- What is the weather like in Caye Caulker in May?
- In May, Caye Caulker averages a daily high of 31.2°C and a low of 26.5°C, with about 73.1 mm of rain over roughly 14.5 rainy days.
- What is the air quality in Caye Caulker in May?
- Caye Caulker has a mean US Air Quality Index of about 52 in May.
Other months in Caye Caulker
Compare Caye Caulker in May
Warmer or cooler than Caye Caulker in May
Similar destinations in Central America — May
Within 300 km: Placencia's Whale sharks at Gladden Spit around 15 Mar – 15 Jun, and Tulum's Sea turtle nesting on 1 May – 31 Oct.