San Juan Province Weather in January

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

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San Juan Barreal San Agustín de Valle Fértil

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

What to Expect in San Juan Province in January

San Juan Province, Argentina 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.

Temperatures

The average maximum daytime temperatures vary from warm in Barreal at 26°C (79°F) to very warm in San Juan at 33°C (91°F). Nighttime temperatures generally drop to 19°C (66°F) in San Juan and 11°C (52°F) in Barreal. On average, January is the warmest month of the year in San Juan Province, Argentina. So be prepared and pack summer clothes.

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

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in San Juan with an average of 37 mm (1.5 in) to high rainfall in San Agustín de Valle Fértil with 128 mm (5 in).

Average sunshine

January brings good sunshine to many areas. San Juan sees around 338 hours of sunlight, great for visitors looking for bright days.

Explore San Juan Province by month

Pick a month to see the average temperature, rainfall and sunshine in San Juan Province - and find the best time to visit. (based on San Juan)

January33°C (91°F) February32°C (90°F) March29°C (84°F) April25°C (77°F) May21°C (70°F) June18°C (64°F) This monthJuly18°C (64°F) August21°C (70°F) September23°C (73°F) October27°C (81°F) November30°C (86°F) December32°C (90°F)
Best Time to Visit San Juan Province →

Best Places to Visit in San Juan Province in January

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

Conditions Temperatures Precipitation
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 San Juan Province

What is the weather like in January for some of the most popular destinations in San Juan Province, Argentina?

Temperature range in San Juan Province (January)

Precipitation variation in San Juan Province (January)

San Juan

In January San Juan generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are very good that month.

« December
January
February »
December
January
February
Max temperature
32°C (90°F)
33°C (91°F)
32°C (90°F)
Min temperature
17°C (63°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
350 hours
338 hours
292 hours
Monthly rainfall
40 mm (1.6 in)
37 mm (1.5 in)
38 mm (1.5 in)
Monthly rainy days
4 days
5 days
5 days
Weather conditions
very good
very good
very good
Climate in San Juan →

Barreal

In January Barreal generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« December
January
February »
December
January
February
Max temperature
25°C (77°F)
26°C (79°F)
25°C (77°F)
Min temperature
9°C (48°F)
11°C (52°F)
10°C (50°F)
Monthly rainfall
32 mm (1.3 in)
43 mm (1.7 in)
38 mm (1.5 in)
Monthly rainy days
5 days
7 days
7 days
Weather conditions
excellent
excellent
excellent
Climate in Barreal →

San Agustín de Valle Fértil

In January San Agustín de Valle Fértil generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 18°C (64°F) and high monthly rainfall. So on average the conditions are very good that month.

« December
January
February »
December
January
February
Max temperature
30°C (86°F)
29°C (84°F)
28°C (82°F)
Min temperature
17°C (63°F)
18°C (64°F)
17°C (63°F)
Monthly rainfall
102 mm (4 in)
128 mm (5 in)
114 mm (4.5 in)
Monthly rainy days
5 days
6 days
6 days
Weather conditions
good
very good
very good
Climate in San Agustín de Valle Fértil →

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

Popular cities in January

Day & night temperatures, rainfall and average weather in San Juan Province in January.

City Weather Day temp Night temp Rainfall
San Juan 33°C (91°F) 19°C (66°F) 37 mm (1.5 in)
Barreal 26°C (79°F) 11°C (52°F) 43 mm (1.7 in)
San Agustín de Valle Fértil 29°C (84°F) 18°C (64°F) 128 mm (5 in)

San Juan Province weather in January: frequently asked questions

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

In January, San Juan Province, Argentina generally has mixed weather conditions. San Juan sees daytime temperatures near 33°C (91°F), with nights cooling to roughly 19°C (66°F).

What is the average temperature in San Juan Province, Argentina in January?

Average temperatures in San Juan Province, Argentina during January range from a nighttime low near 19°C (66°F) to a daytime high around 33°C (91°F) in San Juan.

Does San Juan Province, Argentina get a lot of rain in January?

Rain is generally moderate to light in San Juan Province, Argentina during January, with San Juan averaging close to 37 mm (1.5 in).

Is January a Good Time to Visit San Juan Province, Argentina?

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

Generally speaking, March, April, May, June, July, August, September and October provide excellent weather in San Juan. In contrast, January tends to have mixed weather conditions.

Interested in more climate information?

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

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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