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Santa Cruz weather in December

Are you planning a trip to Santa Cruz in December and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Santa Cruz in December?

Santa Cruz is a region in Argentina. The weather in Santa Cruz in December can be quite varied, with temperatures that range from cold to warm and precipitation levels ranging from low to heavy. The month of December is in the summer season.

During the day the temperature is cold in El Chaltén at 8°C and warm in Caleta Olivia at 23°C. As night falls, temperatures generally drop to 12°C in Caleta Olivia and 1°C in El Chaltén.

In December, precipitation varies across different areas. From low rainfall in Caleta Olivia with an average of 15 mm to heavy rainfall in El Chaltén with 219 mm. Meanwhile, El Calafate enjoys approximately 257 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

To learn more about the conditions in specific areas of Santa Cruz in December, check out the map below. For more details on the yearly weather, visit our Santa Cruz climate page.

Where to go in Santa Cruz in December

Find more information for the most popular destinations in the Santa Cruz on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
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).

Popular destinations

What is the weather like in December for the 5 most popular destinations in Santa Cruz?

El Calafate

In December El Calafate generally has moderate temperatures with maximum daytime temperatures around 14°C, minimum nighttime temperatures around 4°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

El Calafate
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
12°C 
2°C 
251 hours 
62 mm 
5 days 
14°C 
4°C 
257 hours 
75 mm 
5 days 
January   >> January
>>  
16°C 
5°C 
255 hours 
71 mm 
5 days 
Climate in El Calafate

El Chaltén

In December El Chaltén generally has low temperatures with maximum daytime temperatures around 8°C, minimum nighttime temperatures around 1°C and heavy monthly rainfall. So on average the conditions are poor that month.

El Chaltén
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
7°C 
-1°C 
250 hours 
187 mm 
4 days 
poor 
8°C 
1°C 
260 hours 
219 mm 
4 days 
poor 
January   >> January
>>  
10°C 
2°C 
250 hours 
211 mm 
4 days 
poor 
Climate in El Chaltén

Río Gallegos

In December Río Gallegos generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Río Gallegos
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
17°C 
5°C 
146 hours 
35 mm 
7 days 
19°C 
7°C 
127 hours 
53 mm 
9 days 
January   >> January
>>  
20°C 
8°C 
135 hours 
46 mm 
11 days 
Climate in Río Gallegos

Los Antiguos

In December Los Antiguos generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Los Antiguos
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
14°C 
7°C 
292 hours 
47 mm 
3 days 
17°C 
9°C 
310 hours 
46 mm 
3 days 
January   >> January
>>  
19°C 
10°C 
303 hours 
37 mm 
2 days 
Climate in Los Antiguos

Puerto Deseado

In December Puerto Deseado generally has pleasant temperatures with maximum daytime temperatures around 21°C, minimum nighttime temperatures around 11°C and low monthly rainfall. So on average the conditions are perfect that month.

Puerto Deseado
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
19°C 
9°C 
168 hours 
19 mm 
5 days 
21°C 
11°C 
144 hours 
23 mm 
7 days 
January   >> January
>>  
23°C 
13°C 
169 hours 
18 mm 
6 days 
Climate in Puerto Deseado

Is your destination not in the list? Have a look at other destinations in Santa Cruz, in Argentina.

Is December the best time to visit Santa Cruz?

We consider December to be one of the best times to travel to Santa Cruz. Typically, the climate in El Calafate is tolerable. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Santa Cruz is in January, February and December with generally tolerable weather in El Calafate. The weather in April, May, June, July, August, September and October, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Santa Cruz. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Argentina? Get detailed 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.