San Andrés Weather & Climate: Best Time to Visit

The climate in San Andrés remains fairly constant, offering pleasant temperatures throughout the year. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in September, the warmest time of the year, to a pleasant 20°C (68°F) during cooler months like February.

At night, you can expect temperatures ranging from 22°C (72°F) in September to around 17°C (63°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

San Andrés experiences desert-like conditions in terms of precipitation with almost no rainfall, generally receiving 137 mm (5.4 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives low rainfall, averaging 28 mm (1.1 in) of precipitation, recorded across 5 rainy days. In contrast, the driest month July brings less rainfall, with 0.4 mm (0.02 in) over a single rainy day. For more details, please visit our San Andrés Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in San Andrés. While May receives considerable daily sunshine with up to 8.4 hours, January marks the darkest time of the year, where sunshine is scarce with only 4.7 hours of sunlight per day.

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 San Andrés.

The city experiences its highest humidity in July, reaching 78%. In December, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year