January weather forecast
Santiago, Chile

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Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance
Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance

Weather in January

January kicks off with sunny days in Santiago, Chile. Visitors can enjoy sightseeing under clear, blue skies. Compared to December, the peak temperature of the day reaches a slightly higher average, notably an alluring 25.5°C (77.9°F). Relief comes as night falls, with temperatures becoming pleasantly cool. January is a time to stow away the umbrella, as rainfall remains quite low.

Temperature

The warmest period is January, when temperatures fluctuate between an average high of 25.5°C (77.9°F) and a low of 12.4°C (54.3°F).

Humidity

In January, the average relative humidity in Santiago is 42%.

Rainfall

January through March are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 1mm (0.04") of rain.

Snowfall

In Santiago, Chile, snow does not fall in January through May, August through December.

Daylight

The average length of the day in January in Santiago is 14h and 4min.
On the first day of January, sunrise is at 06:36 and sunset at 20:55. On the last day of the month, sunrise is at 07:03 and sunset at 20:48 -03.

Sunshine

The average sunshine in January in Santiago is 9.9h.

UV index

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 5 during January leads to these instructions:
Take precautions - Protection against sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What month is the hottest in Santiago?

January is the warmest month, with the temperature often reaching an average high of 25.5°C (77.9°F) and an average low of 12.4°C (54.3°F).

What are the temperatures in Santiago in January?

The high-temperature, in January, in Santiago, is 25.5°C (77.9°F), while the low-temperature averages to 12.4°C (54.3°F).

What is the average humidity in January in Santiago?

In Santiago, the average relative humidity in January is 42%.

What is the driest month in Santiago?

The months with the least rainfall in Santiago, Chile, are January through March Rain falls for 0.8 days and accumulates 1mm (0.04") of rain.

How many days does it rain in January in Santiago?

In Santiago, during January, the rain falls for 0.8 days and regularly aggregates up to 1mm (0.04") of precipitation.

When it does not snow in Santiago?

January through May, August through December are months without snowfall in Santiago.

What is the average length of the day in January in Santiago?

In Santiago, the average day length in January is 14h and 4min.

What time are sunrise and sunset in January in Santiago?

On the first day of January in Santiago, sunrise is at 06:36 and sunset at 20:55. On the last day of the month, sunrise is at 07:03 and sunset at 20:48 -03.

How many hours of sunshine does Santiago have in January?

In January, the average sunshine duration in Santiago, Chile, is 9.9h.

When is the highest UV index in Santiago?

January through March, November and December, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in January in Santiago?

The average daily maximum UV index in January in Santiago, Chile, is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Santiago, Chile

Average temperature in January - Santiago, Chile
  • Average high temperature in January: 25.5°C

The warmest month (with the highest average high temperature) is January (25.5°C).
The month with the lowest average high temperature is July (11.4°C).

  • Average low temperature in January: 12.4°C

The month with the highest average low temperature is January (12.4°C).
The coldest month (with the lowest average low temperature) is July (2.4°C).

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Average pressure in January
Santiago, Chile

Average pressure in January - Santiago, Chile
  • Average pressure in January: 1014.5mbar

The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).

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Average wind speed in January
Santiago, Chile

Average wind speed in January - Santiago, Chile
  • Average wind speed in January: 8.3km/h

The windiest month (with the highest average wind speed) is June (9.2km/h).
The calmest months (with the lowest average wind speed) are March and April (7.2km/h).

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Average humidity in January
Santiago, Chile

Average humidity in January - Santiago, Chile
  • Average humidity in January: 42%

The month with the highest relative humidity is July (55%).
The months with the lowest relative humidity are March and April (36%).

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Average rainfall in January
Santiago, Chile

Average rainfall in January - Santiago, Chile
  • Average rainfall in January: 1mm

The wettest month (with the highest rainfall) is June (67mm).
The driest months (with the least rainfall) are January, February and March (1mm).

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Average rainfall days in January
Santiago, Chile

Average rainfall days in January - Santiago, Chile
  • Average rainfall days in January: 0.8 days

The month with the highest number of rainy days is June (7.4 days).
The month with the least rainy days is February (0.7 days).

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Average snowfall in January
Santiago, Chile

Average snowfall in January - Santiago, Chile
  • Average snowfall in January: 0mm

The month with the highest snowfall is June (6mm).
The months with the least snowfall are January, February, March, April, May, August, September, October, November and December (0mm).

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Average snowfall days in January
Santiago, Chile

Average snowfall days in January - Santiago, Chile
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is July (0.3 days).
The months with the least snowfall days are January, February, March, April, May, August, September, October, November and December (0 days).

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Average daylight in January /
Average sunshine in January
Santiago, Chile

Average daylight in January / Average sunshine in January - Santiago, Chile
  • Average daylight in January: 14h and 1min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in January: 9h and 5min

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The months with the least sunshine are June and July (Average sunshine: 8h and 18min).

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Average sunshine days in January
Santiago, Chile

Average sunshine days in January - Santiago, Chile
  • Average sunshine days in January: 29.5 days

The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is June (22.2 days).

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Average UV index in January
Santiago, Chile

Average UV index in January - Santiago, Chile
  • Average UV index in January: 5

The months with the highest UV index are January, February, March, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

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Average cloud cover in January
Santiago, Chile

Average cloud cover in January - Santiago, Chile
  • Average cloud cover in January: 5

The month with the most cloud cover is June (Cloud cover 26).
The month with the least cloud cover is February (Cloud cover 3).

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Average visibility in January
Santiago, Chile

Average visibility in January - Santiago, Chile
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Santiago, Chile

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