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San Juan Province weather in January

Considering a trip to San Juan Province this January and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in San Juan Province in January?

San Juan Province is a region in Argentina. January in San Juan Province generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to high. The month of January is in the summer season.

The average maximum daytime temperatures vary from warm in Barreal at 26°C to very warm in San Juan at 33°C. Nighttime temperatures generally drop to 19°C in San Juan and 11°C in Barreal. On average, January is the warmest month of the year in San Juan Province. So be prepared and pack summer clothes.

In January, precipitation varies across different areas. From moderate rainfall in San Juan with an average of 37 mm to high rainfall in San Agustín de Valle Fértil with 128 mm. Meanwhile, San Juan enjoys approximately 338 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

For a closer look at January's conditions in San Juan Province, see the map below. For a more detailed look at San Juan Province's yearly weather, check out our San Juan Province climate page.

Where to go in San Juan Province in January

Find the average weather conditions in January for the most popular destinations in San Juan Province on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in San Juan Province

What is the weather like in January for the 3 most popular destinations in San Juan Province?

Average weather in San Juan

In January San Juan generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 19°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

San Juan
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
32°C 
17°C 
350 hours 
40 mm 
4 days 
33°C 
19°C 
338 hours 
37 mm 
5 days 
32°C 
18°C 
292 hours 
38 mm 
5 days 
Climate in San Juan

Average weather in Barreal

In January Barreal generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 11°C and moderate monthly rainfall. So on average the conditions are perfect that month.

Barreal
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
25°C 
9°C 
32 mm 
5 days 
26°C 
11°C 
43 mm 
7 days 
25°C 
10°C 
38 mm 
7 days 
Climate in Barreal

Average weather in San Agustín de Valle Fértil

In January San Agustín de Valle Fértil generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 18°C and high monthly rainfall. So on average the conditions are pleasant that month.

San Agustín de Valle Fértil
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
30°C 
17°C 
102 mm 
5 days 
29°C 
18°C 
128 mm 
6 days 
28°C 
17°C 
114 mm 
6 days 
Climate in San Agustín de Valle Fértil

Is your destination not in the list? Have a look at other destinations in San Juan Province, in Argentina.

Is January the best time to visit San Juan Province?

In our view, January might not be the best time to travel to San Juan Province with often pleasant weather in San Juan.

Generally speaking, March, April, May, June, July, August, September and October provide perfect weather in San Juan.

Interested in more climate information?

We have much more information about the climate in San Juan Province. 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.

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