December weather forecastSanta Juana, Chile
December
Weather in December
December, the first month of the summer in Santa Juana, is a pleasant month, with an average temperature ranging between min 11.3°C (52.3°F) and max 21.5°C (70.7°F).Temperature
December's average high-temperature stands at a pleasant 21.5°C (70.7°F), showing little deviation from November's 19.4°C (66.9°F). Throughout December in Santa Juana, a steady low-temperature average of 11.3°C (52.3°F) is noted.Humidity
In December, the average relative humidity is 70%.Rainfall
In Santa Juana, Chile, in December, it is raining for 3.4 days, with typically 7mm (0.28") of accumulated precipitation. In Santa Juana, during the entire year, the rain falls for 96.1 days and collects up to 601mm (23.66") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 42min of daylight.On the first day of December, sunrise is at 06:25 and sunset at 20:57. On the last day of the month, sunrise is at 06:34 and sunset at 21:15 -03.
Sunshine
The average sunshine in December in Santa Juana 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 Santa Juana, Chile. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 5 during December, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santa Juana, Chile
- Average high temperature in December: 21.5°C
The warmest month (with the highest average high temperature) is January (24.1°C).
The month with the lowest average high temperature is July (12.1°C).
- Average low temperature in December: 11.3°C
The month with the highest average low temperature is January (12.7°C).
The coldest month (with the lowest average low temperature) is July (6.5°C).
Average pressure in December
Santa Juana, Chile
- Average pressure in December: 1015.8mbar
The month with the highest atmospheric pressure is September (1020mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).
Average wind speed in December
Santa Juana, Chile
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is May (10.6km/h).
Average humidity in December
Santa Juana, Chile
- Average humidity in December: 70%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is January (66%).
Average rainfall in December
Santa Juana, Chile
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is June (161mm).
The driest month (with the least rainfall) is January (3mm).
Average rainfall days in December
Santa Juana, Chile
- Average rainfall days in December: 3.4 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (1.8 days).
Average daylight in December /
Average sunshine in December
Santa Juana, Chile
- Average daylight in December: 14h and 42min
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 12min
The month with the most sunshine is January (Average sunshine: 11h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).
Average sunshine days in December
Santa Juana, Chile
- Average sunshine days in December: 26.7 days
The month with the most sunshine days is January (28.6 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in December
Santa Juana, 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 May, June, July, August and September (UV index 3).
Average cloud cover in December
Santa Juana, Chile
- Average cloud cover in December: 16
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 11).
Average visibility in December
Santa Juana, 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 April, May, June, July, August, September, October and November (9km).





