January Weather in Santiago, Brazil

Last updated: August 22, 2025

The average temperature in Santiago, Brazil during January is a pleasant 25°C (77°F). However, be prepared for a temperature range from a minimum of 14°C (57°F) to a scorching maximum of 38°C (101°F). During this time, you can expect an average precipitation of 176 mm (6.9 in) spread over 12 days, resulting in a humidity level of 74%. Stay cool and enjoy your time!

January Temperature in Santiago

In January in Santiago, the average temperature is 25°C (77°F). Maximums can reach 38°C (101°F), and minimums can be as low as 14°C (57°F). This makes it an ideal time for travelers seeking warm weather while still enjoying cooler evenings.

January Weather in Santiago: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago, January typically has an average temperature of 25°C (77°F), with highs reaching up to 38°C (101°F) and lows dropping to around 14°C (57°F).

Data source: Temperature data for Santiago generated using information from the Copernicus Climate Change Service.

January Precipitation in Santiago

In Santiago in January, the total precipitation amount is 176 mm (6.9 in) over the course of 12 days.

January Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Santiago, January typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Santiago

In Santiago in January humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

January Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Santiago is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Santiago

In Santiago in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santiago.

Maximum UV Index Levels in Santiago for January

The chart shows the monthly maximum UV Index (UVI) for Santiago in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Santiago typically reaches 15, which falls under the extreme exposure category.

Data source: Santiago January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Santiago Compares to Other Months

Weather in Santiago varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Santiago, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Santiago, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	176 mm (6.9 inches)	74%	extreme
February Weather	24°C (75°F)	101 mm (4.0 inches)	73%	extreme
March Weather	22°C (73°F)	146 mm (5.7 inches)	73%	extreme
April Weather	20°C (68°F)	104 mm (4.1 inches)	81%	very high
May Weather	16°C (61°F)	195 mm (7.7 inches)	87%	high
June Weather	15°C (59°F)	113 mm (4.4 inches)	84%	moderate
July Weather	14°C (57°F)	103 mm (4.1 inches)	80%	moderate
August Weather	15°C (60°F)	116 mm (4.6 inches)	71%	high
September Weather	18°C (64°F)	150 mm (5.9 inches)	74%	very high
October Weather	20°C (68°F)	174 mm (6.9 inches)	77%	extreme
November Weather	22°C (72°F)	143 mm (5.6 inches)	77%	extreme
December Weather	24°C (75°F)	89 mm (3.5 inches)	85%	extreme