January weather forecast
San Pedro de Atacama, Chile

January

Weather in January

Venturing into the new year in San Pedro de Atacama, one can expect bright and warm days, a signature characteristic of this season. As the sun glows intensely, an increase in temperature becomes noticeable compared to December. Dust might occasionally hang low due to light winds, arid surroundings, and minimal precipitation. January's weather gives a brief respite from extreme heat, with a daylight duration of 13.4h and a slight drop in pressure to 1014.9mb. Notably, this month bears the brunt of precipitation, having the highest rainfall during the year with 21mm (0.83") falling over 7 days.

Temperature

San Pedro de Atacama witnesses its highest temperatures in January and December, reaching an average of 20.6°C (69.1°F).

Humidity

In San Pedro de Atacama, the average relative humidity in January is 42%.

Rainfall

In San Pedro de Atacama, in January, it is raining for 7 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 23.5 rainfall days, and 58mm (2.28") of precipitation is accumulated.

Snowfall

January through April, August through December are months without snowfall.

Daylight

In January, the average length of the day is 13h and 21min.
On the first day of the month, sunrise is at 06:50 and sunset at 20:21. On the last day of January, in San Pedro de Atacama, Chile, sunrise is at 07:11 and sunset at 20:20 -03.

Sunshine

The average sunshine in January in San Pedro de Atacama is 9.8h.

UV index

The months with the highest UV index are January through March, August through December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 4 during January morphs into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are the warmest months in San Pedro de Atacama?
San Pedro de Atacama experiences the peak of its temperatures in January and December, when the average high-temperatures rise to 20.6°C (69.1°F).
What is the temperature in January in San Pedro de Atacama?
January temperatures in San Pedro de Atacama vary between a high-temperature of 20.6°C (69.1°F) and a low-temperature of 8.9°C (48°F).
What is the average humidity in January in San Pedro de Atacama?
In January, the average relative humidity in San Pedro de Atacama is 42%.
How many days does it rain in January in San Pedro de Atacama?
In January, in San Pedro de Atacama, the rain falls for 7 days. Throughout January, 21mm (0.83") of precipitation is accumulated.
When it does not snow in San Pedro de Atacama?
In San Pedro de Atacama, snow does not fall in January through April, August through December.
What is the average length of the day in January in San Pedro de Atacama?
In January, the average day length is 13h and 21min.
What time are sunrise and sunset in January in San Pedro de Atacama?
On the first day of January in San Pedro de Atacama, Chile, sunrise is at 06:50 and sunset at 20:21. On the last day of the month, sunrise is at 07:11 and sunset at 20:20 -03.
How many hours of sunshine does San Pedro de Atacama have in January?
In San Pedro de Atacama, the average sunshine duration in January is 9.8h.
What is the month with the highest UV index in San Pedro de Atacama?
The months with the highest UV index are January through March, August through December, with an average maximum UV index of 4.
What is the UV index reading in January in San Pedro de Atacama?
In San Pedro de Atacama, Chile, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January
San Pedro de Atacama, Chile
  • Average high temperature in January: 20.6°C

The warmest months (with the highest average high temperature) are January and December (20.6°C).
The month with the lowest average high temperature is July (12.2°C).

  • Average low temperature in January: 8.9°C

The month with the highest average low temperature is February (9.9°C).
The coldest month (with the lowest average low temperature) is July (0.3°C).

Average pressure in January
San Pedro de Atacama, Chile
  • Average pressure in January: 1014.9mbar

The months with the highest atmospheric pressure are June and July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1014.7mbar).

Average wind speed in January
San Pedro de Atacama, Chile
  • Average wind speed in January: 8.5km/h

The windiest month (with the highest average wind speed) is January (8.5km/h).
The calmest month (with the lowest average wind speed) is April (6.1km/h).

Average humidity in January
San Pedro de Atacama, Chile
  • Average humidity in January: 42%

The month with the highest relative humidity is February (46%).
The month with the lowest relative humidity is October (21%).

Average rainfall in January
San Pedro de Atacama, Chile
  • Average rainfall in January: 21mm

The wettest month (with the highest rainfall) is February (23mm).
The driest months (with the least rainfall) are October and November (0mm).

Average rainfall days in January
San Pedro de Atacama, Chile
  • Average rainfall days in January: 7 days

The month with the highest number of rainy days is February (7.7 days).
The month with the least rainy days is November (0.1 days).

Average snowfall in January
San Pedro de Atacama, Chile
  • Average snowfall in January: 0mm

The month with the highest snowfall is July (4mm).
The months with the least snowfall are January, February, March, April, August, September, October, November and December (0mm).

Average snowfall days in January
San Pedro de Atacama, Chile
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is July (0.5 days).
The months with the least snowfall days are January, February, March, September, October, November and December (0 days).

Average daylight in January /
Average sunshine in January
San Pedro de Atacama, Chile
  • Average daylight in January: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in January: 9h and 5min

The months with the most sunshine are April and November (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 9h and 42min).

Average sunshine days in January
San Pedro de Atacama, Chile
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is October (30.7 days).
The month with the least sunshine days is February (17.8 days).

Average UV index in January
San Pedro de Atacama, Chile
  • Average UV index in January: 4

The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 4).
The months with the lowest UV index are April, May, June and July (UV index 3).

Average cloud cover in January
San Pedro de Atacama, Chile
  • Average cloud cover in January: 10

The month with the most cloud cover is February (Cloud cover 11).
The months with the least cloud cover are August, September and November (Cloud cover 2).

Average visibility in January
San Pedro de Atacama, 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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