December weather forecastLanús, Argentina
December
Weather in December
December, the first month of the summer in Lanús, is also a moderately hot month, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 18.1°C (64.6°F).Temperature
Observing a slight rise in December, the average high-temperature shifts from November's 24.6°C (76.3°F) to a still moderately hot 28.3°C (82.9°F). An average low-temperature of 18.1°C (64.6°F) is noted in Lanús, Argentina, during the month of December.Heat index
December's average heat index is estimated at a hot 30°C (86°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Understand that the heat index values take into account shaded locations and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The average relative humidity in December is 60%.Rainfall
In Lanús, during December, the rain falls for 4.5 days and regularly aggregates up to 14mm (0.55") of precipitation. In Lanús, during the entire year, the rain falls for 54 days and collects up to 106mm (4.17") of precipitation.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year.On the first day of the month, sunrise is at 05:33 and sunset at 19:52. On the last day of December, sunrise is at 05:43 and sunset at 20:10 -03.
Sunshine
The month with the most sunshine in Lanús, Argentina, is December, with an average of 11.3h of sunshine.UV index
The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 6 in December translates into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lanús, Argentina
- Average high temperature in December: 28.3°C
The warmest month (with the highest average high temperature) is January (30.1°C).
The month with the lowest average high temperature is July (13.7°C).
- Average low temperature in December: 18.1°C
The months with the highest average low temperature are January and February (20°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average pressure in December
Lanús, Argentina
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in December
Lanús, Argentina
- Average wind speed in December: 14.4km/h
The windiest month (with the highest average wind speed) is September (16.7km/h).
The calmest month (with the lowest average wind speed) is March (14.1km/h).
Average humidity in December
Lanús, Argentina
- Average humidity in December: 60%
The months with the highest relative humidity are May and July (76%).
The month with the lowest relative humidity is January (58%).
Average rainfall in December
Lanús, Argentina
- Average rainfall in December: 14mm
The wettest month (with the highest rainfall) is October (17mm).
The driest month (with the least rainfall) is September (3mm).
Average rainfall days in December
Lanús, Argentina
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is April (5.5 days).
The month with the least rainy days is August (2.6 days).
Average daylight in December /
Average sunshine in December
Lanús, Argentina
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 11h and 18min
The month with the most sunshine is December (Average sunshine: 11h and 18min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Lanús, Argentina
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is August (27.2 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in December
Lanús, Argentina
- Average UV index in December: 6
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in December
Lanús, Argentina
- Average cloud cover in December: 18
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in December
Lanús, Argentina
- 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).
