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
In Santa Bárbara, the average high-temperature in December slightly increases from an agreeable 22.8°C (73°F) in November to a warm 26.5°C (79.7°F). Santa Bárbara encounters a substantial decline from its daily high to a low-temperature of 10.2°C (50.4°F) during December nights.Humidity
In December, the average relative humidity is 60%.Rainfall
In December, in Santa Bárbara, the rain falls for 4.7 days. Throughout December, 14mm (0.55") of precipitation is accumulated. In Santa Bárbara, during the entire year, the rain falls for 111.9 days and collects up to 736mm (28.98") of precipitation.Daylight
December has the longest days of the year in Santa Bárbara, with an average of 14h and 42min of daylight.On the first day of December in Santa Bárbara, sunrise is at 06:19 and sunset at 20:54. On the last day of the month, sunrise is at 06:29 and sunset at 21:12 -03.
Sunshine
The average sunshine in December in Santa Bárbara is 11h.UV index
The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 6 suggests this advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are December temperatures in Santa Bárbara?
What is the average humidity in December in Santa Bárbara?
How many days does it rain in December in Santa Bárbara?
When are the longest days in Santa Bárbara?
How many hours of daylight does Santa Bárbara have in December?
What time are sunrise and sunset in December in Santa Bárbara?
How long on average sun shines in December in Santa Bárbara?
What are the months with the highest UV index in Santa Bárbara?
What is the UV index reading in December in Santa Bárbara?
Average temperature in December
Santa Bárbara, Chile
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is January (29.7°C).
The month with the lowest average high temperature is July (11.6°C).
- Average low temperature in December: 10.2°C
The months with the highest average low temperature are January and February (12.2°C).
The coldest month (with the lowest average low temperature) is July (4°C).
Average pressure in December
Santa Bárbara, Chile
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is February (1014.2mbar).
Average wind speed in December
Santa Bárbara, Chile
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is January (11.6km/h).
The calmest month (with the lowest average wind speed) is May (8.1km/h).
Average humidity in December
Santa Bárbara, Chile
- Average humidity in December: 60%
The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is January (54%).
Average rainfall in December
Santa Bárbara, Chile
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is June (191mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in December
Santa Bárbara, Chile
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (3.2 days).
Average daylight in December /
Average sunshine in December
Santa Bárbara, Chile
- Average daylight in December: 14h and 4min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in December: 11h and 0min
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 18min).
Average sunshine days in December
Santa Bárbara, Chile
- Average sunshine days in December: 25.4 days
The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
Santa Bárbara, Chile
- Average UV index in December: 6
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 3).
Average cloud cover in December
Santa Bárbara, Chile
- Average cloud cover in December: 17
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 11).
Average visibility in December
Santa Bárbara, Chile
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July and August (8km).
Santa Bárbara, Chile
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