December weather forecastBelén, Argentina
December
Weather in December
The first month of the summer, December, is still a warm month in Belén, Argentina, with an average temperature ranging between min 15.7°C (60.3°F) and max 27°C (80.6°F).Temperature
December, characterized by an average high temperature of 27°C (80.6°F) and a low temperature of 15.7°C (60.3°F), is generally the warmest month.Heat index
December's mean heat index is estimated at 27°C (80.6°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In December, the average relative humidity in Belén is 42%.Rainfall
In December, in Belén, the rain falls for 6.5 days. Throughout December, 16mm (0.63") of precipitation is accumulated. In Belén, during the entire year, the rain falls for 42.4 days and collects up to 87mm (3.43") of precipitation.Snowfall
In Belén, snow does not fall in January through June, September through December.Daylight
With an average of 13h and 54min of daylight, December has the longest days of the year in Belén, Argentina.On the first day of the month, sunrise is at 06:24 and sunset at 20:10. On the last day of December, in Belén, Argentina, sunrise is at 06:35 and sunset at 20:27 -03.
Sunshine
The average sunshine in December is 9.8h.UV index
January and December, with an average maximum UV index of 6, are months with the highest UV index in Belén. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 during December leads to these advisories:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Belén, Argentina
- Average high temperature in December: 27°C
The warmest month (with the highest average high temperature) is December (27°C).
The month with the lowest average high temperature is July (16.7°C).
- Average low temperature in December: 15.7°C
The month with the highest average low temperature is January (16.3°C).
The coldest month (with the lowest average low temperature) is July (3.9°C).
Average pressure in December
Belén, Argentina
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in December
Belén, Argentina
- Average wind speed in December: 9.2km/h
The windiest month (with the highest average wind speed) is October (10.5km/h).
The calmest month (with the lowest average wind speed) is April (7.5km/h).
Average humidity in December
Belén, Argentina
- Average humidity in December: 42%
The month with the highest relative humidity is March (53%).
The month with the lowest relative humidity is August (33%).
Average rainfall in December
Belén, Argentina
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is January (27mm).
The driest months (with the least rainfall) are June, July, August and September (1mm).
Average rainfall days in December
Belén, Argentina
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is January (9.1 days).
The month with the least rainy days is August (0.4 days).
Average snowfall in December
Belén, Argentina
- Average snowfall in December: 0mm
The month with the highest snowfall is July (3mm).
The months with the least snowfall are January, February, March, April, May, June, September, October, November and December (0mm).
Average snowfall days in December
Belén, Argentina
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is July (0.4 days).
The months with the least snowfall days are January, February, March, April, May, June, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Belén, Argentina
- Average daylight in December: 13h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in December: 9h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 9h and 36min).
Average sunshine days in December
Belén, Argentina
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is January (18 days).
Average UV index in December
Belén, Argentina
- Average UV index in December: 6
The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are May and June (UV index 3).
Average cloud cover in December
Belén, Argentina
- Average cloud cover in December: 13
The month with the most cloud cover is January (Cloud cover 18).
The months with the least cloud cover are June and August (Cloud cover 5).
Average visibility in December
Belén, 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).





