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San Nicolás de los Arroyos weather in December (Buenos Aires Province, Argentina)

Looking to travel to San Nicolás de los Arroyos in December? Check out this comprehensive weather guide.

In December, San Nicolás de los Arroyos generally has very high temperatures and high rainfall. December falls within the summer season. Throughout the daytime, temperatures often hover around 30°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 18°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

San Nicolás de los Arroyos in December usually receives high rainfall, averaging around 110 mm for the month. Rain is expected on roughly 8 days.

The city usually sees around 278 hours of sunlight, indicating many sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit San Nicolás de los Arroyos. May, August and September typically offer the best circumstances. While January, February, July and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Nicolás de los Arroyos climate page with graphs.

 

San Nicolás de los Arroyos, monthly averages in December

Min TemperatureMin Temperature 18°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 28%  
PrecipitationPrecipitation 110 mm  
Rainy daysRainy days 8 days  
HumidityHumidity 66% *  
SunshineSunshine 278 hours *  
Percentage SunshinePercentage Sunshine 63% *  
* Data from: San Pedro, Argentina (63 KM, 39 Miles).

Where to go in Argentina in December

Find out more about the weather in Argentina in December and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in San Nicolás de los Arroyos in December?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in San Nicolás de los Arroyos.

Our site offers climate and forecast data for every country in the world. Are you going to Argentina? On this website you can find historical weather averages for many cities in Argentina. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.