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Santa Rosalía Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santa Rosalía.
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10-day forecastForecast
Climate overview of Santa Rosalía
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.
Santa Rosalía Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santa Rosalía - and find the best time to visit.
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. For more details, please visit our Santa Rosalía Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
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
Best Time to Visit Santa Rosalía
The most comfortable overall weather for exploring Santa Rosalía is usually found in January, February, March, April, May, November and December. Conditions are generally least comfortable in July and August.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
excellent
Jun
very good
Jul
very hot
Aug
very hot
Sep
mixed
Oct
very good
Nov
excellent
Dec
excellent
- Best overall: January, February, March, April, May, November and December
- Warmest weather: July, August and September
- Seasonal pattern: Very little rainfall for most of the year, with very warm summers and pleasant winters
Frequently asked questions about the climate in Santa Rosalía
What is the best time to visit Santa Rosalía?
January, February, March, April, May, November and December typically offer the most optimal weather in Santa Rosalía. In contrast, July and August tend to have less optimal conditions. Santa Rosalía has very little rainfall for most of the year, with very warm summers and pleasant winters.
What temperatures can I expect in Santa Rosalía?
Daytime highs range from 21°C (70°F) in January to 34°C (93°F) in August. Nighttime lows range from 14°C (57°F) to 28°C (82°F). Temperatures vary considerably through the year.
How much rain does Santa Rosalía get?
Annual rainfall is around 143 mm (5.6 in). September is the wettest month with 58 mm (2.3 in), while May is the driest with 0.2 mm (0.01 in).
Santa Rosalía 3-Day Forecast
Santa Rosalía on the map
Santa Rosalía is highlighted - select any city to see its climate.
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