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

Data from: Santiago, Chile (44 KM, 27 Miles).

Daily hours of sunshine

Data from: Santiago, Chile (44 KM, 27 Miles).

Humidity in San Alfonso by Month

Best Time to Visit San Alfonso

The best time to visit San Alfonso is during January, February, March and December, when the weather provides comfortable temperatures between 17°C (63°F) and 20°C (69°F). With rainfall of 25 mm (1 in) to 44 mm (1.7 in), you can expect pleasant weather during your visit in these months.

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.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.