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
As December takes hold, the average high-temperature is a still pleasant 21.2°C (70.2°F), nearly mirroring that of the previous month. An average temperature of 17.2°C (63°F) is logged during the nights of December, a small step down from daytime highs.Humidity
January, March and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In December, in Chancayllo, the rain falls for 7.8 days. Throughout December, 7mm (0.28") of precipitation is accumulated. Throughout the year, there are 59.2 rainfall days, and 71mm (2.8") of precipitation is accumulated.Daylight
December has the longest days of the year, with an average of 12h and 48min of daylight.On the first day of December, sunrise is at 05:35 and sunset at 18:21. On the last day of the month, sunrise is at 05:48 and sunset at 18:36 -05.
Sunshine
The average sunshine in December is 11.8h.UV index
May through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 5 in December transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
When are the longest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Chancayllo have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Chancayllo, Peru
- Average high temperature in December: 21.2°C
The warmest month (with the highest average high temperature) is February (22.8°C).
The months with the lowest average high temperature are July and August (19.7°C).
- Average low temperature in December: 17.2°C
The month with the highest average low temperature is February (19.4°C).
The coldest month (with the lowest average low temperature) is August (14.1°C).
Average pressure in December
Chancayllo, Peru
- Average pressure in December: 1014.5mbar
The month with the highest atmospheric pressure is August (1016.6mbar).
The month with the lowest atmospheric pressure is February (1014mbar).
Average wind speed in December
Chancayllo, Peru
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is September (11.8km/h).
The calmest month (with the lowest average wind speed) is February (9.5km/h).
Average humidity in December
Chancayllo, Peru
- Average humidity in December: 80%
The months with the highest relative humidity are January, March and December (80%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Chancayllo, Peru
- Average rainfall in December: 7mm
The wettest month (with the highest rainfall) is February (16mm).
The driest months (with the least rainfall) are May, June, July, August and September (2mm).
Average rainfall days in December
Chancayllo, Peru
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (0.3 days).
Average daylight in December /
Average sunshine in December
Chancayllo, Peru
- Average daylight in December: 12h and 5min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in December: 11h and 5min
The month with the most sunshine is October (Average sunshine: 12h and 12min).
The month with the least sunshine is May (Average sunshine: 7h and 36min).
Average sunshine days in December
Chancayllo, Peru
- Average sunshine days in December: 16.3 days
The months with the most sunshine days are April, May and July (20.1 days).
The month with the least sunshine days is March (11.6 days).
Average UV index in December
Chancayllo, Peru
- Average UV index in December: 5
The months with the highest UV index are January, February, March and April (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in December
Chancayllo, Peru
- Average cloud cover in December: 24
The months with the most cloud cover are February and March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Chancayllo, 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).
