Santa Rosalía Weather & Climate: Best Time to Visit
The climate in Santa Rosalía, Aguascalientes, Mexico, is marked by large temperature swings across the seasons, ranging from 34°C (93°F) in August to 21°C (70°F) in January.
With just 143 mm (5.6 in) of annual rainfall, the city has a dry, desert-like climate.
Monthly Temperature in Santa Rosalía
In Santa Rosalía, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 34°C (93°F) in August. In January, the coolest month of the year, temperatures drop to a pleasant 21°C (70°F).
At night, temperatures range from around 28°C (82°F) in August to 14°C (57°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santa Rosalía
Santa Rosalía sits in an arid zone with minimal moisture, averaging 143 mm (5.6 in) of rainfall per year. Santa Rosalía can be quite wet during September, receiving approximately 58 mm (2.3 in) of precipitation over 2 rainy days.
In contrast, during the driest month (May), you will experience much drier conditions, with 0.2 mm (0.01 in) of precipitation spread across 0 rainy days days. For more details, please visit our Santa Rosalía Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Humidity in Santa Rosalía by Month
The relative humidity is moderate throughout the year in Santa Rosalía.
The city experiences its highest humidity in August, reaching 63%. In April, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Santa Rosalía 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Santa Rosalía
The best time to visit Santa Rosalía is during January, February, March, April, May, November and December, when the dry conditions provide ideal temperatures between 21°C (70°F) and 29°C (84°F). With minimal rainfall throughout the year, you can expect consistently clear, sunny days.While rain is rare, remember to stay hydrated and protect yourself from the sun while you're outside. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.