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
Weather in December
Temperature
The start of December sees the average high-temperature at a pleasant 20.1°C (68.2°F), showing little difference from November's 18.3°C (64.9°F). December sees the temperature falling to a mean low of 11.8°C (53.2°F).Humidity
The average relative humidity in December is 72%.Rainfall
In Penco, in December, it is raining for 4.1 days, with typically 8mm (0.31") of accumulated precipitation. Throughout the year, in Penco, there are 99.3 rainfall days, and 574mm (22.6") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 14h and 36min of daylight.On the first day of December, sunrise is at 06:26 and sunset at 20:56. On the last day of the month, sunrise is at 06:36 and sunset at 21:14 -03.
Sunshine
In December, the average sunshine in Penco, Chile, is 11.2h.UV index
January through March, November and December, with an average maximum UV index of 5, are months with the highest UV index in Penco. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 5 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the usual temperature for Penco in December?
What is the average humidity in December in Penco?
How much does it rain in Penco in December?
When are the longest days in Penco?
How many hours of daylight does Penco have in December?
When is the sunrise / sunset in December in Penco?
How long on average sun shines in December in Penco?
When is the highest UV index in Penco?
What is the UV index intensity in December in Penco?
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).
Penco, Chile
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