Home › Weather › Cozumel Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Cozumel’s live forecast above shows current conditions for San Miguel; expect daytime highs of 28–31°C and lows of 21–24°C year-round, with a pronounced wet season from May to October. This means warm, tropical weather with brief heavy showers, while November to April offers drier, sunnier days.
What is the typical temperature range for Cozumel by month?
Average highs hover near 30°C from April through September, dipping to 28°C in January and February. Nighttime lows range from 21°C in winter to 24°C in summer. For a cozumel weather by month breakdown, the coolest period is December–February, with sea breezes keeping humidity manageable.
How reliable are extended forecasts for Cozumel?
Seven-day outlooks are generally accurate for temperature trends, but rainfall timing can shift. For cozumel weather 14 days or cozumel weather forecast 15 days, treat precipitation probabilities as guidance rather than guarantees. The cozumel weather 30 day forecast is useful for spotting broad patterns—like the onset of the wet season—but not for daily planning.
Does Cozumel ever get cold?
No. Even in January, daytime highs rarely fall below 26°C. Nighttime lows can dip to 19°C during cold fronts, but that is brief and still mild. A light jacket is sufficient for evenings in winter.
What is the best time to visit for sun?
Late November through April offers the most sunshine and least rain. For weather in cozumel 10 days during this window, expect clear skies and low humidity. March and April are particularly popular for diving and beach days.
How do I convert Cozumel temperatures to Fahrenheit?
Multiply the Celsius value by 1.8 and add 32. For example, 30°C equals 86°F. For quick cozumel weather fahrenheit checks, most forecast sites include a toggle; cozumel weather celsius is standard in Canadian and Mexican reports.
Sources
For broader Canadian conditions, see our Canada weather hub or check Toronto Weather for local comparisons. If planning a trip, the cozumel weather 21 day forecast can help gauge seasonal shifts, though always verify closer to departure.