December weather forecastSarandí, Argentina
December
Weather in December
The first month of the summer, December, is still a warm month in Sarandí, Argentina, with an average temperature varying between 27.4°C (81.3°F) and 18.5°C (65.3°F).Temperature
The embrace of December brings a minor uplift in the average high-temperature, shifting from 23.6°C (74.5°F) in November to a still warm 27.4°C (81.3°F). Throughout the month of December, the nighttime temperature in Sarandí dips to an average of 18.5°C (65.3°F).Heat index
For most parts of December, the heat index is appraised at 29°C (84.2°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In December, the average relative humidity is 61%.Rainfall
In Sarandí, during December, the rain falls for 7.2 days and regularly aggregates up to 21mm (0.83") of precipitation. In Sarandí, Argentina, during the entire year, the rain falls for 83.4 days and collects up to 197mm (7.76") of precipitation.Daylight
The month with the longest days in Sarandí is December, with an average of 14h and 24min of daylight.On the first day of December in Sarandí, Argentina, sunrise is at 05:33 and sunset at 19:52. On the last day of the month, sunrise is at 05:43 and sunset at 20:09 -03.
Sunshine
With an average of 11.2h of sunshine, December has the most sunshine of the year in Sarandí.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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 6 in December transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sarandí, 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
Sarandí, 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
Sarandí, 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
Sarandí, 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
Sarandí, 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
Sarandí, 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 daylight in December /
Average sunshine in December
Sarandí, 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
Sarandí, 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
Sarandí, 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
Sarandí, 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
Sarandí, 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).





