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 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
December
Weather in December
Temperature
Penco sees the arrival of December with an average high-temperature of a pleasant 20.1°C (68.2°F), indicating a subtle variation from November. An average low-temperature of 11.8°C (53.2°F) is expected during December.Humidity
The average relative humidity in December is 72%.Rainfall
In Penco, in December, during 4.1 rainfall days, 8mm (0.31") of precipitation is typically accumulated. In Penco, during the entire year, the rain falls for 99.3 days and collects up to 574mm (22.6") of precipitation.Daylight
The month with the longest days is December, with an average of 14h and 36min of daylight.On the first day of the month, sunrise is at 06:26 and sunset at 20:56. On the last day of December, sunrise is at 06:36 and sunset at 21:14 -03.
Sunshine
The average sunshine in December is 11.2h.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 value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 5 turns into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. 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
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
When are the longest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Penco have in December?
What is the month with the highest UV index?
What is the UV index reading in December?
Average temperature in December
Penco, Chile
- Average high temperature in December: 20.1°C
The warmest month (with the highest average high temperature) is January (22.4°C).
The month with the lowest average high temperature is July (12.1°C).
- Average low temperature in December: 11.8°C
The month with the highest average low temperature is January (13.5°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).
Average pressure in December
Penco, Chile
- Average pressure in December: 1015.7mbar
The months with the highest atmospheric pressure are July and September (1019.9mbar).
The month with the lowest atmospheric pressure is February (1014.3mbar).
Average wind speed in December
Penco, Chile
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is May (11.9km/h).
Average humidity in December
Penco, Chile
- Average humidity in December: 72%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is January (69%).
Average rainfall in December
Penco, Chile
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is June (156mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in December
Penco, Chile
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (2.6 days).
Average daylight in December /
Average sunshine in December
Penco, Chile
- Average daylight in December: 14h and 4min
The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).
- Average sunshine in December: 11h and 1min
The month with the most sunshine is January (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).
Average sunshine days in December
Penco, Chile
- Average sunshine days in December: 26 days
The month with the most sunshine days is January (27.9 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in December
Penco, Chile
- Average UV index in December: 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 June, July and August (UV index 3).
Average cloud cover in December
Penco, Chile
- Average cloud cover in December: 15
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 10).
Average visibility in December
Penco, Chile
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, June, October, November and December (10km).
The months with the lowest visibility are May, July, August and September (9km).
