Acajutla Weather & Climate: Best Time to Visit

In Acajutla temperatures are generally consistent throughout the year. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in April to a comfortable 30°C (86°F) in the coolest month, January.

Nights vary from 26°C (79°F) in April to around 24°C (75°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Acajutla experiences significant rainfall throughout the year, averaging 1711 mm (67 in) of precipitation annually. The climate in Acajutla shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 342 mm (13 in) of precipitation over 27 rainy days.

In contrast, the driest month January offers drier and sunnier days, with around 3.6 mm (0.1 in) of rainfall over 4 rainy days. For more details, please visit our Acajutla Precipitation page.

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

The average number of days each month with precipitation

Acajutla offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between January (10.2 hours daily) and June (6.9 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 mean water temperature over the year ranges from 28°C (82°F) in January to 29°C (84°F) in May.

Water temperature over the year

The relative humidity is high throughout the year in Acajutla.

The city experiences its highest humidity in September, reaching 83%. In February, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year