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 sea temperature 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
With the onset of December, the average high-temperature registers at a still agreeable 21.9°C (71.4°F), subtly different from November's 20.9°C (69.6°F). Viña del Mar, during December nights, observes an average temperature of 12.8°C (55°F).Humidity
In Viña del Mar, Chile, the average relative humidity in December is 69%.Rainfall
December is the last month it rains in Viña del Mar. During 0.8 rainfall days, in December, Viña del Mar aggregates 2mm (0.08") of precipitation. Throughout the year, there are 33.7 rainfall days, and 178mm (7.01") of precipitation is accumulated.Sea temperature
In Viña del Mar, the average seawater temperature in December is 16.4°C (61.5°F).Note: For swimming, a surface water temperature of 16.4°C (61.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
Daylight
The month with the longest days in Viña del Mar, Chile, is December, with an average of 14h and 18min of daylight.On the first day of December, sunrise is at 06:30 and sunset at 20:40. On the last day of the month, sunrise is at 06:40 and sunset at 20:58 -03.
Sunshine
In Viña del Mar, the average sunshine in December is 9.8h.UV index
The months with the highest UV index in Viña del Mar are January through April, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, a daily UV index of 5 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the average December temperature in Viña del Mar?
What is the average humidity in December in Viña del Mar?
What is the last month it rains in Viña del Mar?
What is the sea water temperature in December in Viña del Mar?
When are the longest days in Viña del Mar?
What is the average length of the day in December in Viña del Mar?
When is the sunrise / sunset in December in Viña del Mar?
How many hours of sunshine does Viña del Mar have in December?
What is the month with the highest UV index in Viña del Mar?
What is the UV index intensity in December in Viña del Mar?
Average temperature in December
Viña del Mar, Chile
- Average high temperature in December: 21.9°C
The warmest months (with the highest average high temperature) are January and February (23.3°C).
The month with the lowest average high temperature is July (15.4°C).
- Average low temperature in December: 12.8°C
The month with the highest average low temperature is January (14.7°C).
The coldest month (with the lowest average low temperature) is July (8.3°C).
Average pressure in December
Viña del Mar, Chile
- Average pressure in December: 1015.6mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).
Average wind speed in December
Viña del Mar, Chile
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is November (13.6km/h).
The calmest month (with the lowest average wind speed) is May (10.3km/h).
Average humidity in December
Viña del Mar, Chile
- Average humidity in December: 69%
The months with the highest relative humidity are July, August and September (72%).
The month with the lowest relative humidity is April (66%).
Average rainfall in December
Viña del Mar, Chile
- Average rainfall in December: 2mm
The wettest month (with the highest rainfall) is June (71mm).
The driest months (with the least rainfall) are January and February (0mm).
Average rainfall days in December
Viña del Mar, Chile
- Average rainfall days in December: 0.8 days
The month with the highest number of rainy days is June (6.8 days).
The month with the least rainy days is February (0.3 days).
Average sea temperature in December
Viña del Mar, Chile
- Average sea temperature in December: 16.4°C
The best month for swimming (with the highest average sea temperature) is February (17.9°C).
The coldest month (with the lowest average sea temperature) is July (13.1°C).
Average daylight in December /
Average sunshine in December
Viña del Mar, Chile
- Average daylight in December: 14h and 2min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in December: 9h and 5min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 8h and 0min).
Average sunshine days in December
Viña del Mar, Chile
- Average sunshine days in December: 29.8 days
The months with the most sunshine days are January and March (30.3 days).
The month with the least sunshine days is June (22.7 days).
Average UV index in December
Viña del Mar, Chile
- Average UV index in December: 5
The months with the highest UV index are January, February, March, April, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August, September and October (UV index 4).
Average cloud cover in December
Viña del Mar, Chile
- Average cloud cover in December: 11
The month with the most cloud cover is June (Cloud cover 28).
The month with the least cloud cover is February (Cloud cover 7).
Average visibility in December
Viña del Mar, Chile
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May and June (10km).
The months with the lowest visibility are July, August, September, October, November and December (9km).
Viña del Mar, Chile
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