December weather forecastSan Pedro, Chile
December
Weather in December
December, the first month of the summer in San Pedro, is also an agreeable month, with temperature in the range of an average high of 21.8°C (71.2°F) and an average low of 12.9°C (55.2°F).Temperature
Transitioning into December, San Pedro experiences an average high-temperature of a still pleasant 21.8°C (71.2°F), marking a minor shift from the preceding month. The average low-temperature in San Pedro during December nights is a cool 12.9°C (55.2°F).Humidity
In San Pedro, the average relative humidity in December is 69%.Rainfall
In San Pedro, in December, it is raining for 1.3 days, with typically 1mm (0.04") of accumulated precipitation. Throughout the year, there are 43.8 rainfall days, and 227mm (8.94") of precipitation is accumulated.Daylight
The month with the longest days in San Pedro is December, with an average of 14h and 24min of daylight.On the first day of December in San Pedro, sunrise is at 06:27 and sunset at 20:42. On the last day of the month, sunrise is at 06:38 and sunset at 21:00 -03.
Sunshine
In San Pedro, the average sunshine in December is 10h.UV index
The average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in December converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Pedro, Chile
- Average high temperature in December: 21.8°C
The warmest month (with the highest average high temperature) is February (23.6°C).
The month with the lowest average high temperature is July (14.3°C).
- Average low temperature in December: 12.9°C
The month with the highest average low temperature is January (14.8°C).
The coldest month (with the lowest average low temperature) is July (8.3°C).
Average pressure in December
San Pedro, Chile
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is February (1014.2mbar).
Average wind speed in December
San Pedro, Chile
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is November (15.1km/h).
The calmest month (with the lowest average wind speed) is May (11.7km/h).
Average humidity in December
San Pedro, Chile
- Average humidity in December: 69%
The month with the highest relative humidity is August (76%).
The months with the lowest relative humidity are March and April (67%).
Average rainfall in December
San Pedro, Chile
- Average rainfall in December: 1mm
The wettest month (with the highest rainfall) is June (89mm).
The driest month (with the least rainfall) is February (0mm).
Average rainfall days in December
San Pedro, Chile
- Average rainfall days in December: 1.3 days
The month with the highest number of rainy days is June (8.3 days).
The month with the least rainy days is February (0.3 days).
Average daylight in December /
Average sunshine in December
San Pedro, Chile
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 10h and 0min
The month with the most sunshine is January (Average sunshine: 11h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 42min).
Average sunshine days in December
San Pedro, Chile
- Average sunshine days in December: 29 days
The month with the most sunshine days is March (29.6 days).
The month with the least sunshine days is June (21.3 days).
Average UV index in December
San Pedro, Chile
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 4).
Average cloud cover in December
San Pedro, Chile
- Average cloud cover in December: 12
The month with the most cloud cover is June (Cloud cover 32).
The month with the least cloud cover is February (Cloud cover 9).
Average visibility in December
San Pedro, 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).





