Climate Insights for Bacalar

The climate in Bacalar is hot. The average annual temperature is 27°C and approximately 1117mm of precipitation falls per year. June is the wettest month, receiving around 220mm of rainfall. Bacalar is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, April, August. The coldest months are January, December, February, when temperatures can drop to 20°C.

Bacalar sees moderate temperature variation throughout the year, ranging from 20°C to 33°C. The warmest month is May, when average highs reach 33°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 20°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Bacalar is a moderately rainy area, receiving approximately 1117mm of precipitation annually, which averages out to around 93mm per month. The wettest month is June, averaging 220mm of rainfall. September and October also tend to see above-average precipitation. The driest month is March, with just 22mm. That's 199mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Bacalar is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.

It is currently summer in Bacalar, which began on June 21, 2026. Bacalar is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in May at around 33°C, while the coldest stretch bottoms out in January near 20°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

The best time to visit Bacalar is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 42mm per month. By contrast, May can be uncomfortably hot with temperatures reaching 33°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Bacalar based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.