Santiago Weather in January
In January, Santiago averages a high of 31°C (88°F) and a low of 12°C (54°F), from 37 years of daily records (1973–2025).
31°C
Average high
88°F
12°C
Average low
54°F
38°C
Record high
101°F · January 27, 2019
5°C
Record low
42°F · January 29, 1991
What January Is Like in Santiago
- 6 of the 10 warmest Januarys on record in Santiago have come since 2011.
- January in Santiago has become 1.4°C (2.5°F) warmer on average: the 2011–2025 average against 1970–1989.
- The coldest January reading, 5°C (42°F) on January 29, 1991, has not been matched in 34 years.
- January is Santiago's warmest month of the year.
At least 1 mm of rain falls on 2% of January days, and the month averages 3 mm in total.
Warmest: 2020 (32.6°C)Latest: 2021 (30.6°C)10-year averageLong-run average (30.9°C)
Look Up a Day in January
See the weather in Santiago on any January date, year by year.
Source: NOAA GHCN-Daily, Arturo Merino Benitez Intl (1973–2025); Quinta Normal (2005–2025). Averages cover 1973–2025. How we compute this