December weather forecastSantiago, Peru
December
Weather in December
December, the first month of the summer in Santiago, is also a moderately hot month, with an average temperature fluctuating between 24.6°C (76.3°F) and 17°C (62.6°F).Temperature
The transition into December notes an average high-temperature of a still moderately hot 24.6°C (76.3°F), matching November's climate closely. During the month of December, the temperature generally drops to a low average of 17°C (62.6°F).Humidity
In Santiago, the average relative humidity in December is 70%.Rainfall
In December, in Santiago, the rain falls for 9.5 days. Throughout December, 11mm (0.43") of precipitation is accumulated. In Santiago, during the entire year, the rain falls for 79.5 days and collects up to 108mm (4.25") of precipitation.Daylight
With an average of 13h and 0min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:24 and sunset at 18:19. On the last day of December, in Santiago, sunrise is at 05:37 and sunset at 18:34 -05.
Sunshine
In December, the average sunshine is 11.8h.UV index
January through April and December, with an average maximum UV index of 6, are months with the highest UV index in Santiago. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during December translates into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santiago, Peru
- Average high temperature in December: 24.6°C
The warmest month (with the highest average high temperature) is March (25.5°C).
The month with the lowest average high temperature is July (22.9°C).
- Average low temperature in December: 17°C
The month with the highest average low temperature is March (19.5°C).
The coldest month (with the lowest average low temperature) is August (13.1°C).
Average pressure in December
Santiago, Peru
- Average pressure in December: 1013.9mbar
The months with the highest atmospheric pressure are July and August (1015.9mbar).
The month with the lowest atmospheric pressure is February (1013.3mbar).
Average wind speed in December
Santiago, Peru
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is November (10.5km/h).
The calmest month (with the lowest average wind speed) is June (9.2km/h).
Average humidity in December
Santiago, Peru
- Average humidity in December: 70%
The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are August and October (63%).
Average rainfall in December
Santiago, Peru
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is January (32mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).
Average rainfall days in December
Santiago, Peru
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is February (20.3 days).
The month with the least rainy days is August (0.1 days).
Average daylight in December /
Average sunshine in December
Santiago, Peru
- Average daylight in December: 13h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in December: 11h and 48min
The month with the most sunshine is November (Average sunshine: 12h and 12min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).
Average sunshine days in December
Santiago, Peru
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is August (30.8 days).
The month with the least sunshine days is February (4.8 days).
Average UV index in December
Santiago, Peru
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 5).
Average cloud cover in December
Santiago, Peru
- Average cloud cover in December: 20
The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June, July and August (Cloud cover 3).
Average visibility in December
Santiago, Peru
- 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).
