Chetumal Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Chetumal experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in May to a comfortable 29°C (84°F) in the coolest month, January.

Nights vary from 26°C (79°F) in May to around 21°C (70°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Chetumal has a notably wet climate with abundant precipitation, recording 1359 mm (54 in) of rainfall per year. The climate in Chetumal shows significant variation throughout the year. Expect heavy rainfall in June, the wettest month, with an average of 213 mm (8.4 in) of precipitation over 13 rainy days.

In contrast, the driest month March offers drier and sunnier days, with around 34 mm (1.3 in) of rainfall over 3 rainy days. For more details, please visit our Chetumal Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Chetumal offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (9.2 hours daily) and September (6.8 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Chetumal.

The city experiences its highest humidity in January, reaching 80%. In April, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year