Argentina

Argentina Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Argentina in January.

Planning a getaway to Argentina this January and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Argentina in January

Argentina has a wide variety of climate types. During January, you can expect temperatures that range from cold to very hot and precipitation levels ranging from low to heavy. January is a summer month.

Temperatures

During the day temperatures vary from cold in Los Glaciares National Park at 9°C (48°F) to very hot in Las Lomitas at 36°C (97°F). At night it cools down to 22°C (72°F) in Las Lomitas and 2°C (36°F) in Los Glaciares National Park. In Argentina, January typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

For a closer look at conditions across Argentina, refer to the map below.

Precipitation

In January, precipitation varies across different areas. From low rainfall in Bahía Bustamante with an average of 9.5 mm (0.4 in) to heavy rainfall in El Mollar with 490 mm (19 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in January. Buenos Aires typically receives 285 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Argentina by month

Best Places to Visit in Argentina in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Argentina.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Argentina

What is the weather like in January for some of the most popular destinations in Argentina?

Temperature range in Argentina (January)

Precipitation variation in Argentina (January)

Buenos Aires

In January Buenos Aires generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
29°C (84°F)
30°C (86°F)
29°C (84°F)
Min temperature
17°C (63°F)
18°C (64°F)
18°C (64°F)
Monthly sun hours
273 hours
285 hours
249 hours
Monthly rainfall
88 mm (3.5 in)
90 mm (3.5 in)
104 mm (4.1 in)
Monthly rainy days
8 days
8 days
8 days
Weather conditions

San Carlos de Bariloche

In January San Carlos de Bariloche generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 6°C (43°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
18°C (64°F)
21°C (70°F)
21°C (70°F)
Min temperature
5°C (41°F)
6°C (43°F)
7°C (45°F)
Monthly sun hours
298 hours
335 hours
282 hours
Monthly rainfall
57 mm (2.2 in)
37 mm (1.5 in)
42 mm (1.7 in)
Monthly rainy days
5 days
5 days
5 days
Weather conditions

Mar del Plata

In January Mar del Plata generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
24°C (75°F)
26°C (79°F)
25°C (77°F)
Min temperature
14°C (57°F)
16°C (61°F)
16°C (61°F)
Monthly sun hours
267 hours
285 hours
235 hours
Monthly rainfall
74 mm (2.9 in)
83 mm (3.3 in)
89 mm (3.5 in)
Monthly rainy days
10 days
9 days
8 days
Weather conditions

Mendoza

In January Mendoza generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 18°C (64°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

December
January
February
Max temperature
30°C (86°F)
31°C (88°F)
29°C (84°F)
Min temperature
16°C (61°F)
18°C (64°F)
16°C (61°F)
Monthly sun hours
302 hours
311 hours
255 hours
Monthly rainfall
70 mm (2.8 in)
75 mm (3 in)
73 mm (2.9 in)
Monthly rainy days
5 days
6 days
5 days
Weather conditions

Salta

In January Salta generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 16°C (61°F) and heavy monthly rainfall. So on average the conditions are poor that month.

December
January
February
Max temperature
25°C (77°F)
25°C (77°F)
24°C (75°F)
Min temperature
15°C (59°F)
16°C (61°F)
15°C (59°F)
Monthly sun hours
198 hours
183 hours
154 hours
Monthly rainfall
284 mm (11 in)
307 mm (12 in)
319 mm (13 in)
Monthly rainy days
13 days
14 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Argentina.

Popular cities in January

Day & night temperatures, rainfall and average weather in Argentina in January.

City Weather Day temp Night temp Rainfall
Buenos Aires 30°C (86°F) 18°C (64°F) 90 mm (3.5 in)
San Carlos de Bariloche 21°C (70°F) 6°C (43°F) 37 mm (1.5 in)
Salta 25°C (77°F) 16°C (61°F) 307 mm (12 in)
Puerto Iguazú 32°C (90°F) 22°C (72°F) 170 mm (6.7 in)
San Rafael 32°C (90°F) 17°C (63°F) 54 mm (2.1 in)
Ushuaia 12°C (54°F) 4°C (39°F) 120 mm (4.7 in)

Argentina weather in January: frequently asked questions

What is the weather like in Argentina in January?

Argentina typically experiences tolerable weather in January, part of the summer season. Daytime highs in Buenos Aires average around 30°C (86°F), and temperatures drop to about 18°C (64°F) at night.

What is the average temperature in Argentina in January?

Daytime temperatures in Buenos Aires peak at roughly 30°C (86°F) in January, dropping to about 18°C (64°F) overnight.

Does Argentina get a lot of rain in January?

January is on the drier side in Argentina. Buenos Aires averages only about 90 mm (3.5 in), with most days staying dry.

Is January a Good Time to Visit Argentina?

In our opinion, January may not be the ideal time to visit Argentina due to the typically pleasant weather in Buenos Aires.

On average, the best time to visit Argentina is in March, April, May, September, November and December with generally perfect weather in Buenos Aires. On the other hand, the weather in January, June and July tend to be tolerable.

Interested in more climate information?

We have much more information about the climate in Argentina.

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 travel conditions. Find out where to go with our weather planner.

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