Cozumel Weather in August

In Cozumel, August brings very high daytime temperatures around 30°C (86°F), with nights cooling to 27°C (81°F). Expect quite a bit of rainfall this month.

Rainfall in Cozumel in August

The climate data from previous years indicates about 13 days of rain, averaging 115 mm (4.5 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Cozumel in August

If you're visiting Cozumel in August, expect highs of 30°C (86°F) and overnight lows around 27°C (81°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help. These temperatures represent the average, but hotter days can occur. Be prepared with light clothing and stay hydrated to manage the heat.

Sunshine in Cozumel in August

There are approximately 220 hours of sunshine this month, resulting in mostly clear days.

Average water temperature in August

At 29°C (84°F), the water is very warm, more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.

If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April, May and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.