Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In San Pedro de Atacama, the months of January and December register the highest average temperatures, peaking at 20.6°C (69.1°F).Humidity
The average relative humidity in December in San Pedro de Atacama is 33%.Rainfall
January through September and December are months with rainfall. December is the first month it rains in San Pedro de Atacama. Throughout December, in the average 1.5 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, in San Pedro de Atacama, there are 23.5 rainfall days, and 58mm (2.28") of precipitation is accumulated.Snowfall
In San Pedro de Atacama, snow does not fall in January through April, August through December.Daylight
With an average of 13h and 30min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 06:38 and sunset at 20:05. On the last day of December, sunrise is at 06:50 and sunset at 20:21 -03.
Sunshine
In San Pedro de Atacama, Chile, the average sunshine in December is 9.9h.UV index
January through March, August through December, with an average maximum UV index of 4, are months with the highest UV index in San Pedro de Atacama. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 in December translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What month is the hottest in San Pedro de Atacama?
What is the temperature in December in San Pedro de Atacama?
What is the average humidity in December in San Pedro de Atacama?
When does it start to rain in San Pedro de Atacama?
When it does not snow in San Pedro de Atacama?
When are the longest days in San Pedro de Atacama?
How many hours of daylight does San Pedro de Atacama have in December?
When is the sunrise / sunset in December in San Pedro de Atacama?
How many hours of sunshine does San Pedro de Atacama have in December?
What are the months with the highest UV index in San Pedro de Atacama?
What is the UV index intensity in December in San Pedro de Atacama?
Average temperature in December
San Pedro de Atacama, Chile
- Average high temperature in December: 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 December: 7.4°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 December
San Pedro de Atacama, Chile
- Average pressure in December: 1014.7mbar
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 December
San Pedro de Atacama, Chile
- Average wind speed in December: 8.4km/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 December
San Pedro de Atacama, Chile
- Average humidity in December: 33%
The month with the highest relative humidity is February (46%).
The month with the lowest relative humidity is October (21%).
Average rainfall in December
San Pedro de Atacama, Chile
- Average rainfall in December: 2mm
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 December
San Pedro de Atacama, Chile
- Average rainfall days in December: 1.5 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 December
San Pedro de Atacama, Chile
- Average snowfall in December: 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 December
San Pedro de Atacama, Chile
- Average snowfall days in December: 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 December /
Average sunshine in December
San Pedro de Atacama, Chile
- Average daylight in December: 13h and 3min
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 December: 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 December
San Pedro de Atacama, Chile
- Average sunshine days in December: 28.5 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 December
San Pedro de Atacama, Chile
- Average UV index in December: 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 December
San Pedro de Atacama, Chile
- Average cloud cover in December: 5
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 December
San Pedro de Atacama, Chile
- Average visibility in December: 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).
San Pedro de Atacama, Chile
Weather forecast for your location
2. Allow the app to use your location
