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
December
Weather in December
Temperature
The advent of December reveals an average high-temperature of a pleasant 20.5°C (68.9°F), showing minimal difference from the prior month. The mean low-temperature during December nights is a moderate 15.3°C (59.5°F).Humidity
The average relative humidity in December is 72%.Rainfall
January, November and December are months without rainfall.Daylight
The month with the longest days is December, with an average of 14h and 0min of daylight.On the first day of the month, sunrise is at 06:36 and sunset at 20:32. On the last day of December, sunrise is at 06:47 and sunset at 20:49 -03.
Sunshine
The months with the most sunshine are January, February and December, with an average of 9.9h of sunshine.UV index
In December, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during December morphs into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
What is the driest month?
When are the longest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What are the months with the most sunshine?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Guayacán, Chile
- Average high temperature in December: 20.5°C
The warmest month (with the highest average high temperature) is February (22.3°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in December: 15.3°C
The month with the highest average low temperature is February (17°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).
Average pressure in December
Guayacán, Chile
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is February (1014.1mbar).
Average wind speed in December
Guayacán, Chile
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is November (13.5km/h).
The calmest month (with the lowest average wind speed) is May (9.9km/h).
Average humidity in December
Guayacán, Chile
- Average humidity in December: 72%
The months with the highest relative humidity are January and February (73%).
The months with the lowest relative humidity are June and July (66%).
Average rainfall in December
Guayacán, 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, November and December (0mm).
Average rainfall days in December
Guayacán, Chile
- Average rainfall days in December: 0.8 days
The month with the highest number of rainy days is June (3.1 days).
The month with the least rainy days is November (0.3 days).
Average daylight in December /
Average sunshine in December
Guayacán, Chile
- Average daylight in December: 14h and 0min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in December: 9h and 5min
The months with the most sunshine are January, February and December (Average sunshine: 9h and 54min).
The months with the least sunshine are May, June and July (Average sunshine: 9h and 6min).
Average sunshine days in December
Guayacán, Chile
- Average sunshine days in December: 29.1 days
The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is June (26.5 days).
Average UV index in December
Guayacán, 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
Guayacán, Chile
- Average cloud cover in December: 7
The month with the most cloud cover is May (Cloud cover 16).
The month with the least cloud cover is February (Cloud cover 6).
Average visibility in December
Guayacán, 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).
