San Alfonso Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit San Alfonso.
Climate overview of San Alfonso
The climate in San Alfonso, Santiago Metropolitan Region, Chile, is marked by large temperature swings across the seasons, ranging from 20°C (68°F) in January to 2°C (36°F) in July.
With around 1096 mm (43 in) of annual rain/snowfall, San Alfonso has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct dry season from January to March. The wettest month is June. January is the sunniest month, averaging 12.2 hours of sunshine per day.
San Alfonso Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Alfonso — and find the best time to visit.
Monthly Temperature in San Alfonso
In San Alfonso, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a pleasant 20°C (68°F) in January. In July, the coolest month of the year, temperatures drop to a chilly 2°C (36°F).
At night, temperatures range from around 7°C (45°F) in January to -7°C (19°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Alfonso
San Alfonso experiences significant rain/snowfall throughout the year, averaging 1096 mm (43 in) of precipitation annually. San Alfonso can be quite wet during June, receiving approximately 211 mm (8.3 in) of precipitation over 4 snowy/rainy days.
In contrast, during the driest month (March), you will experience much drier conditions, with 25 mm (1 in) of precipitation spread across 7 rainy days days. For more details, please visit our San Alfonso Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in San Alfonso
San Alfonso can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 12.2 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 4.0 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in San Alfonso by Month
The relative humidity is high throughout the year in San Alfonso.
The city experiences its highest humidity in June, reaching 83%. In January, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit San Alfonso
Be prepared for heavier rainfall during June, the wettest period of the year. 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.
Frequently asked questions about the climate in San Alfonso
What is the best time to visit San Alfonso?
January, February and March typically offer the most optimal weather in San Alfonso. In contrast, May, June, July, August and September tend to have less optimal conditions. San Alfonso has a distinct dry season from January to March.
What temperatures can I expect in San Alfonso?
Daytime highs range from 2°C (36°F) in July to 20°C (68°F) in January. Nighttime lows range from -7°C (19°F) to 7°C (45°F). Temperatures vary considerably through the year.
How much rain does San Alfonso get?
Annual rainfall is around 1096 mm (43 in). June is the wettest month with 211 mm (8.3 in), while March is the driest with 25 mm (1 in). In the coldest months, precipitation may fall as snow/rain.
How sunny is San Alfonso?
San Alfonso receives around 2,750 hours of sunshine per year. January is the sunniest month with 365 hours, while June is the cloudiest with just 120 hours. Overall, San Alfonso enjoys abundant sunshine.
San Alfonso 3-Day Forecast
San Alfonso 3-Day Forecast
San Alfonso on the map
San Alfonso is highlighted — select any city to see its climate.
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