San Luis Province Weather in July

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

Thinking about venturing to San Luis Province, Argentina this July and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in San Luis Province in July

San Luis Province, Argentina is a region in Argentina. July in San Luis Province generally has mild temperatures, with low precipitation. During July, winter is in full swing.

Temperatures

The average maximum temperatures are mild and range from 15°C (59°F) in Cortaderas to 17°C (63°F) in San Luis. Nighttime temperatures generally drop to 4°C (39°F) in San Luis and 1°C (34°F) in Cortaderas. While July might be the chilliest month, San Luis Province, Argentina offers areas with temperate climates year-round, ensuring visitors always have a delightful experience.

For specific regional insights in San Luis Province, Argentina, refer to the map provided below.

Precipitation

In July, precipitation varies across different areas. From low rainfall in Hipólito Yrigoyen with an average of 9.6 mm (0.4 in) to low rainfall in Cortaderas with 14 mm (0.6 in). Going by our weather data, this month in Merlo usually has the least rain, making it the driest month of the year.

Explore San Luis Province by month

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

Best Places to Visit in San Luis Province in July

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

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 Luis Province

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

Temperature range in San Luis Province (July)

Precipitation variation in San Luis Province (July)

Merlo

In July Merlo generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 2°C (36°F) and low monthly rainfall. So on average the conditions are pleasant that month.

June
July
August
Max temperature
16°C (61°F)
15°C (59°F)
19°C (66°F)
Min temperature
3°C (37°F)
2°C (36°F)
4°C (39°F)
Monthly rainfall
15 mm (0.6 in)
13 mm (0.5 in)
17 mm (0.7 in)
Monthly rainy days
3 days
3 days
3 days
Weather conditions

Potrero de los Funes

In July Potrero de los Funes generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 4°C (39°F) and low monthly rainfall. So on average the conditions are pleasant that month.

June
July
August
Max temperature
17°C (63°F)
17°C (63°F)
19°C (66°F)
Min temperature
5°C (41°F)
4°C (39°F)
6°C (43°F)
Monthly rainfall
11 mm (0.4 in)
11 mm (0.4 in)
17 mm (0.7 in)
Monthly rainy days
2 days
3 days
2 days
Weather conditions

San Luis

In July San Luis generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 4°C (39°F) and low monthly rainfall. So on average the conditions are pleasant that month.

June
July
August
Max temperature
18°C (64°F)
17°C (63°F)
20°C (68°F)
Min temperature
5°C (41°F)
4°C (39°F)
6°C (43°F)
Monthly rainfall
11 mm (0.4 in)
11 mm (0.4 in)
16 mm (0.6 in)
Monthly rainy days
2 days
3 days
2 days
Weather conditions

Cortaderas

In July Cortaderas generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 1°C (34°F) and low monthly rainfall. So on average the conditions are pleasant that month.

June
July
August
Max temperature
15°C (59°F)
15°C (59°F)
18°C (64°F)
Min temperature
3°C (37°F)
1°C (34°F)
4°C (39°F)
Monthly rainfall
16 mm (0.6 in)
14 mm (0.6 in)
19 mm (0.7 in)
Monthly rainy days
3 days
3 days
3 days
Weather conditions

Carpintería

In July Carpintería generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 2°C (36°F) and low monthly rainfall. So on average the conditions are pleasant that month.

June
July
August
Max temperature
16°C (61°F)
15°C (59°F)
18°C (64°F)
Min temperature
3°C (37°F)
2°C (36°F)
4°C (39°F)
Monthly rainfall
15 mm (0.6 in)
14 mm (0.6 in)
18 mm (0.7 in)
Monthly rainy days
3 days
3 days
3 days
Weather conditions

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

In our records: Argentina July extremes

Notable July records observed across cities in Argentina in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest July night in Argentina dropped to -22°C (-8°F) in Esquel on July 30, 2006.

Popular cities in July

Day & night temperatures, rainfall and average weather in San Luis Province in July.

City Weather Day temp Night temp Rainfall
Merlo 15°C (59°F) 2°C (36°F) 13 mm (0.5 in)
Potrero de los Funes 17°C (63°F) 4°C (39°F) 11 mm (0.4 in)
San Luis 17°C (63°F) 4°C (39°F) 11 mm (0.4 in)
Cortaderas 15°C (59°F) 1°C (34°F) 14 mm (0.6 in)
Carpintería 15°C (59°F) 2°C (36°F) 14 mm (0.6 in)
Villa Mercedes 17°C (63°F) 4°C (39°F) 13 mm (0.5 in)

San Luis Province weather in July: frequently asked questions

What is the weather like in San Luis Province, Argentina in July?

July in San Luis Province, Argentina brings pleasant weather. In Merlo, daytime temperatures are typically around 15°C (59°F) and nighttime lows hover near 2°C (36°F).

What is the average temperature in San Luis Province, Argentina in July?

Daytime temperatures in Merlo peak at roughly 15°C (59°F) in July, dropping to about 2°C (36°F) overnight.

Does San Luis Province, Argentina get a lot of rain in July?

July is on the drier side in San Luis Province, Argentina. Merlo averages only about 13 mm (0.5 in), with most days staying dry.

Is July a Good Time to Visit San Luis Province, Argentina?

Given the typically pleasant weather conditions in Merlo, July may not be the ideal time to visit San Luis Province, Argentina.

Generally speaking, March, April, August, September and October provide perfect weather in Merlo.

Interested in more climate information?

We have much more information about the climate in San Luis 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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