Lake Atitlan Weather & Climate: Best Time to Visit

In Lake Atitlan temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 25°C (77°F) in March to a comfortable 23°C (73°F) in January.

Nighttime temperatures range from 16°C (61°F) in March to 13°C (55°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Lake Atitlan experiences significant rainfall throughout the year, averaging 2366 mm (93 in) of precipitation annually. The seasons in Lake Atitlan bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 412 mm (16 in) of precipitation. This rainfall is distributed across 25 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 18 mm (0.7 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Lake Atitlan Precipitation page.

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

The average number of days each month with precipitation

Lake Atitlan enjoys sunny spells year-round. March sees up to 8.3 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 5.1 hours of sun despite this cloudier time of the year.

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 Lake Atitlan.

The city experiences its highest humidity in May, reaching 81%. In February, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year