December weather forecastQuilmes, Argentina
December
Weather in December
December, the first month of the summer in Quilmes, is still a warm month, with an average temperature varying between 18.5°C (65.3°F) and 27.4°C (81.3°F).Temperature
In Quilmes, the average high-temperature in December slightly increases from 23.6°C (74.5°F) in November to a still warm 27.4°C (81.3°F). During the month of December, an average temperature of 18.5°C (65.3°F) is noted during the nights in Quilmes.Heat index
The heat index for December is appraised at 29°C (84.2°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Quilmes, the average relative humidity in December is 61%.Rainfall
In Quilmes, in December, during 7.2 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Quilmes, Argentina, during the entire year, the rain falls for 83.4 days and collects up to 197mm (7.76") of precipitation.Sea temperature
In Quilmes, in December, the average water temperature is 22.6°C (72.7°F).Note: When thinking about a swim in 22.6°C (72.7°F) waters, consider your cold tolerance, the day's sunshine, wind, and air temperature. It is a fun fact that Olympic swimmers dive into waters of 25°C (77°F) to 28°C (82.4°F).
Daylight
December has the longest days of the year in Quilmes, Argentina, with an average of 14h and 24min of daylight.On the first day of December in Quilmes, sunrise is at 05:32 and sunset at 19:51. On the last day of the month, sunrise is at 05:43 and sunset at 20:09 -03.
Sunshine
The month with the most sunshine in Quilmes is December, with an average of 11.2h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in December translates into these instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heed this! UV intensity is much stronger when reflected off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Quilmes, Argentina
- Average high temperature in December: 27.4°C
The warmest month (with the highest average high temperature) is January (29°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in December: 18.5°C
The month with the highest average low temperature is January (20.7°C).
The coldest month (with the lowest average low temperature) is July (8.4°C).
Average pressure in December
Quilmes, Argentina
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).
Average wind speed in December
Quilmes, Argentina
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is September (17.9km/h).
The calmest month (with the lowest average wind speed) is March (15.2km/h).
Average humidity in December
Quilmes, Argentina
- Average humidity in December: 61%
The months with the highest relative humidity are May and July (76%).
The month with the lowest relative humidity is January (60%).
Average rainfall in December
Quilmes, Argentina
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is October (26mm).
The driest month (with the least rainfall) is May (9mm).
Average rainfall days in December
Quilmes, Argentina
- Average rainfall days in December: 7.2 days
The months with the highest number of rainy days are March and April (8.2 days).
The month with the least rainy days is August (5.8 days).
Average sea temperature in December
Quilmes, Argentina
- Average sea temperature in December: 22.6°C
The best month for swimming (with the highest average sea temperature) is January (25°C).
The coldest month (with the lowest average sea temperature) is July (11.9°C).
Average daylight in December /
Average sunshine in December
Quilmes, 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 12min
The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).
Average sunshine days in December
Quilmes, Argentina
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is August (23.1 days).
The month with the least sunshine days is February (19.5 days).
Average UV index in December
Quilmes, 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 June and July (UV index 3).
Average cloud cover in December
Quilmes, 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 16).
Average visibility in December
Quilmes, 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).





