December weather forecastTongoy, Chile
December
Weather in December
December, the first month of the summer in Tongoy, is still a pleasant month, with an average temperature varying between 20.8°C (69.4°F) and 15.5°C (59.9°F).Temperature
Tongoy's December average high-temperature settles at a still agreeable 20.8°C (69.4°F), showing a near match with the preceding month. The average low-temperature, in December, in Tongoy, is a moderate 15.5°C (59.9°F).Humidity
The months with the highest humidity are January through March and December, with an average relative humidity of 72%.Rainfall
In Tongoy, rain does not fall in January, April, November and December.Daylight
The month with the longest days is December, with an average of 14h and 6min of daylight.On the first day of the month, sunrise is at 06:36 and sunset at 20:34. On the last day of December, in Tongoy, sunrise is at 06:47 and sunset at 20:51 -03.
Sunshine
The months with the most sunshine are February and December, with an average of 9.8h of sunshine.UV index
In Tongoy, the average daily maximum UV index in December is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during December translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tongoy, Chile
- Average high temperature in December: 20.8°C
The warmest month (with the highest average high temperature) is February (22.5°C).
The month with the lowest average high temperature is July (16.6°C).
- Average low temperature in December: 15.5°C
The month with the highest average low temperature is February (17.4°C).
The coldest month (with the lowest average low temperature) is July (11.3°C).
Average pressure in December
Tongoy, Chile
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is February (1014.1mbar).
Average wind speed in December
Tongoy, Chile
- Average wind speed in December: 15.1km/h
The windiest months (with the highest average wind speed) are October and November (15.9km/h).
The calmest month (with the lowest average wind speed) is May (11.4km/h).
Average humidity in December
Tongoy, Chile
- Average humidity in December: 72%
The months with the highest relative humidity are January, February, March and December (72%).
The months with the lowest relative humidity are June, July and October (69%).
Average rainfall in December
Tongoy, Chile
- Average rainfall in December: 0mm
The wettest month (with the highest rainfall) is June (20mm).
The driest months (with the least rainfall) are January, April, November and December (0mm).
Average rainfall days in December
Tongoy, Chile
- Average rainfall days in December: 1 days
The month with the highest number of rainy days is June (3.3 days).
The month with the least rainy days is February (0.4 days).
Average daylight in December /
Average sunshine in December
Tongoy, Chile
- Average daylight in December: 14h and 6min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 9h and 48min
The months with the most sunshine are February and December (Average sunshine: 9h and 48min).
The months with the least sunshine are June and July (Average sunshine: 8h and 48min).
Average sunshine days in December
Tongoy, Chile
- Average sunshine days in December: 29.5 days
The month with the most sunshine days is January (29.7 days).
The month with the least sunshine days is June (26.2 days).
Average UV index in December
Tongoy, Chile
- Average UV index in December: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are June, July, August and September (UV index 4).
Average cloud cover in December
Tongoy, Chile
- Average cloud cover in December: 12
The month with the most cloud cover is May (Cloud cover 21).
The months with the least cloud cover are February and December (Cloud cover 12).
Average visibility in December
Tongoy, Chile
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





