May · Belize
Best time to visit Great Blue Hole in May Weather, crowds & prices
Weather in Great Blue Hole in May
Average temperature 28°C, 92 mm of rain, about 30 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.3/10
Ranked #4 of 12 months
- Avg temp
- 28°C
- Rainfall
- 92 mm
- Humidity
- 83%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Great Blue Hole scores 8.3/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 28°C, 92 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
The Great Blue Hole is a circular ocean sinkhole for advanced divers-sapphire depths off Lighthouse Reef. Best window: the drier months outside peak monsoon.
May in Great Blue Hole: strong conditions, 4th of 12
Days in May average 28°C (83°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
Budget for roughly 92 mm of rain this month — a flexible day or two helps — with about 30 days with 6+ hours of sunshine and 12.8 hours of daylight to work around it.
That is 8.3/10 on the same scale — 4th of 12 months, versus 9.5/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Great Blue Hole in May?
- In May, Great Blue Hole averages 28°C, 92 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is May a good time to visit Great Blue Hole?
- May earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Great Blue Hole in May?
- Expect about 92 mm of rain in May. Average humidity is 83% and there are about 30 days with 6+ hours of sunshine.
Curated in Great Blue Hole
Tickets & experiences
Things to do in Great Blue Hole
Great Blue Hole, Belize. Live activities and tours from GetYourGuide, matched to this destination.