Weather in Santiago in May 2025
Average weather
Average temperature in Santiago in May
The temperature in May is +70°F on average, with a range between a maximum of +84°F during the day and a minimum of +37°F at night.
The average maximum temperature goes up 15% by the end of the month, compared with the beginning of the month, from +63°F to +70°F.
Is Santiago warm or cold in May?
Santiago is typically mild in May.
Maximum temperatures go down compared to the previous month from +73°F to +66°F. The minimum temperature also goes down from +52°F to +46°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Santiago:
Climate in Santiago in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +73°F | +66°F | +61°F | ||||
| Min. temperature | ||||||
| +32°F | +25°F | +23°F | ||||
| Max. temperature | ||||||
| +90°F | +86°F | +81°F | ||||
| Rainfall | ||||||
| 24 mm | 56 mm | 92 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 64% | 72% | 76% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 16 | 10 | 8 | ||||
| Cloudy days | ||||||
| 9 | 13 | 13 | ||||
| Rainy days | ||||||
| 4 | 7 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May typically has worse weather conditions compared to April. It’s getting colder in May. From +73°F in the day, the average maximum temperature lowers to +66°F. Prepare for more rain. Average rainfall goes from 24 mm to 56 mm. Humidity rises from 64% to 72%. The average wind speed doesn’t change much during May, staying around 1 m/s. The days becoming less sunny, going from 16 sunny days in April to 10 in May.
Next month (June) brings a further decline in the weather.
Wind
The average wind speed is 2 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Santiago is gradually increasing during May, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last May in Santiago?
Climate Change Over the Years
The climate in Santiago in May has not changed that much over the last 43 years.
The average temperature was the lowest in 2007 (+70°F) and the highest in 2020 (+75°F). The driest year was 1998 with only 165 mm of rainfall, and the wettest year was 1997 with 1031 mm.
FAQ
Is May a good time to visit Santiago?
Can you sunbathe in Santiago in May?
Is Santiago rainy in May?
Is it sunny in Santiago in May?
Other cities in Chile
Monthly weather in Santiago
Source of the data
For this page, we’ve looked at the typical weather in Santiago, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.