December weather forecastPergamino, Argentina
December
Weather in December
December closes the year with marked warmth and the highest rainfall amounts of 63mm (2.48"). The rise in temperature, paired with the high precipitation levels, creates a summery ambiance that prevails throughout Pergamino. Even as the year draws to a close, the city's landscape remains vivid and vibrant, thanks to the long daylight hours and ample sunshine. Expect December to deliver a convivial and festive atmosphere, enveloped in tropical warmth and marked by occasional refreshing showers.Temperature
A subtle rise in the average high-temperature is observed in Pergamino, Argentina, during December, adjusting from a moderately hot 27.5°C (81.5°F) in November to a hot 30.8°C (87.4°F). Compared to daytime temperatures, Pergamino's temperature drops significantly, averaging a refreshing 16.6°C (61.9°F) during the nights of December.Heat index
December's mean heat index is estimated at a tropical 33°C (91.4°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.One should consider that heat index numbers are for shaded settings and light wind. 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 'felt air temperature' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In December, the average relative humidity is 54%.Rainfall
The month with the most rainfall in Pergamino is December, when the rain falls for 9.1 days and typically aggregates up to 63mm (2.48") of precipitation.Daylight
December has the longest days of the year, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 05:44 and sunset at 19:58. On the last day of December, in Pergamino, sunrise is at 05:54 and sunset at 20:16 -03.
Sunshine
The month with the most sunshine in Pergamino is December, with an average of 11.1h of sunshine.UV index
The months with the highest UV index in Pergamino, Argentina, are January through March, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 in December translates into these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pergamino, Argentina
- Average high temperature in December: 30.8°C
The warmest month (with the highest average high temperature) is January (32.6°C).
The month with the lowest average high temperature is July (14.6°C).
- Average low temperature in December: 16.6°C
The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is July (6.5°C).
Average pressure in December
Pergamino, Argentina
- Average pressure in December: 1009.9mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in December
Pergamino, Argentina
- Average wind speed in December: 12.2km/h
The windiest months (with the highest average wind speed) are August and September (14.3km/h).
The calmest month (with the lowest average wind speed) is February (11.3km/h).
Average humidity in December
Pergamino, Argentina
- Average humidity in December: 54%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is January (53%).
Average rainfall in December
Pergamino, Argentina
- Average rainfall in December: 63mm
The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is June (17mm).
Average rainfall days in December
Pergamino, Argentina
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is October (9.8 days).
The month with the least rainy days is June (5.4 days).
Average daylight in December /
Average sunshine in December
Pergamino, 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 6min
The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 48min).
Average sunshine days in December
Pergamino, Argentina
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is October (19.2 days).
Average UV index in December
Pergamino, 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
Pergamino, Argentina
- Average cloud cover in December: 19
The month with the most cloud cover is May (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in December
Pergamino, Argentina
- Average visibility in December: 10km
The months with the highest visibility are January, February and December (10km).
The months with the lowest visibility are March, April, May, June, July, August, September, October and November (9km).





