August · Belize
Best time to visit Great Blue Hole in August Weather, crowds & prices
Weather in Great Blue Hole in August
Average temperature 29°C, 227 mm of rain, about 28 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
6.9/10
Ranked #7 of 12 months
- Avg temp
- 29°C
- Rainfall
- 227 mm
- Humidity
- 81%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Great Blue Hole scores 6.9/10 for beach and coastal travel - ranked #7 of 12. Expect around 29°C, 227 mm of rain, and roughly 28 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.
August in Great Blue Hole: mixed conditions, plan around the weather
Days in August average 29°C (85°F) and humidity near 81% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 227 mm, but with about 28 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 6.9/10 on the same scale — 7th 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 proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, April is materially better in Great Blue Hole — 2.6 points higher on the same scale.
Frequently asked
- What is the weather like in Great Blue Hole in August?
- In August, Great Blue Hole averages 29°C, 227 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 6.9/10.
- Is August a good time to visit Great Blue Hole?
- August earns a 6.9/10 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 August?
- Expect about 227 mm of rain in August. Average humidity is 81% and there are about 28 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.