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 snowfall 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
December's arrival signals a modest temperature shift, moving from a moderately hot 26.3°C (79.3°F) in November to a tropical 30.1°C (86.2°F). Throughout December, Chivilcoy registers a distinct decrease from daytime highs, reaching an average low of 15.5°C (59.9°F).Heat index
During December, the heat index is appraised at a tropical 32°C (89.6°F). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The average relative humidity in December is 56%.Rainfall
In Chivilcoy, during December, the rain falls for 8.7 days and regularly aggregates up to 54mm (2.13") of precipitation. Throughout the year, in Chivilcoy, there are 104.1 rainfall days, and 518mm (20.39") of precipitation is accumulated.Snowfall
In Chivilcoy, snow does not fall in January through June, August through December.Daylight
The month with the longest days in Chivilcoy is December, with an average of 14h and 30min of daylight.On the first day of the month, sunrise is at 05:39 and sunset at 19:59. On the last day of December, sunrise is at 05:49 and sunset at 20:17 -03.
Sunshine
With an average of 11.1h of sunshine, December has the most sunshine of the year in Chivilcoy.UV index
In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 6 suggests this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Chivilcoy during December?
What is the average humidity in December in Chivilcoy?
How much does it rain in Chivilcoy in December?
When it does not snow in Chivilcoy?
When are the longest days in Chivilcoy?
How many hours of daylight does Chivilcoy have in December?
When are sunrise and sunset in December in Chivilcoy?
What month has the most sunshine in Chivilcoy?
How many hours of sunshine does Chivilcoy have in December?
What is the UV index reading in December in Chivilcoy?
Average temperature in December
Chivilcoy, Argentina
- Average high temperature in December: 30.1°C
The warmest month (with the highest average high temperature) is January (32.2°C).
The month with the lowest average high temperature is July (13.8°C).
- Average low temperature in December: 15.5°C
The month with the highest average low temperature is January (17°C).
The coldest month (with the lowest average low temperature) is July (6°C).
Average pressure in December
Chivilcoy, Argentina
- Average pressure in December: 1010.5mbar
The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1010.5mbar).
Average wind speed in December
Chivilcoy, Argentina
- Average wind speed in December: 12.7km/h
The windiest month (with the highest average wind speed) is September (14.4km/h).
The calmest months (with the lowest average wind speed) are February and March (12km/h).
Average humidity in December
Chivilcoy, Argentina
- Average humidity in December: 56%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is January (53%).
Average rainfall in December
Chivilcoy, Argentina
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days in December
Chivilcoy, Argentina
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is October (11 days).
The month with the least rainy days is June (6.5 days).
Average snowfall days in December
Chivilcoy, Argentina
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Chivilcoy, Argentina
- Average daylight in December: 14h and 3min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in December: 11h and 1min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in December
Chivilcoy, Argentina
- Average sunshine days in December: 21.5 days
The months with the most sunshine days are January, June and August (22.3 days).
The months with the least sunshine days are September and October (18.7 days).
Average UV index in December
Chivilcoy, Argentina
- Average UV index in December: 6
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in December
Chivilcoy, Argentina
- Average cloud cover in December: 18
The month with the most cloud cover is July (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in December
Chivilcoy, Argentina
- Average visibility in December: 10km
The months with the highest visibility are January, February, June and December (10km).
The months with the lowest visibility are March, April, May, July, August, September, October and November (9km).
