San Cosme Weather & Climate: Best Time to Visit

In San Cosme, seasonal changes bring about a moderate variation in temperatures. On average, daytime temperatures range from a comfortable 23°C (73°F) in August to a moderate 13°C (55°F) in January.

Nighttime temperatures range from 16°C (61°F) in August to 7°C (45°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

San Cosme has a notably wet climate with abundant precipitation, recording 1322 mm (52 in) of rainfall per year. The seasons in San Cosme bring significant changes in precipitation. The wettest month, November, receives high rainfall, with an average of 156 mm (6.1 in) of precipitation. This rainfall is distributed across 16 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 66 mm (2.6 in) over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Cosme Precipitation page.

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

The average number of days each month with precipitation

In San Cosme, summer days are longer and more sunny, with daily sunshine hours peaking at 5.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.5 hours per average 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 Cosme.

The city experiences its highest humidity in August, reaching 80%. In March, 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