San Juan Weather in July
Thinking of visiting San Juan in July? Expect moderate temperatures reaching 18°C (64°F) during the day, dropping to 2°C (36°F) at night, with minimal rainfall.
Rainfall in San Juan in July
You can expect rain on roughly 2 days based on historical data, averaging 12 mm (0.5 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in San Juan in July
San Juan in July has perfect weather. Days reach 18°C (64°F) and nights cool to 2°C (36°F). July is part of winter. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. The temperatures this month are milder, providing a comfortable and warm experience.
Sunshine in San Juan in July
Expect a lot of sunshine this month, with about 239 hours of sun. These sunny conditions add to the overall experience.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our San Juan's climate page.
San Juan Temperature in July
Min Temperature
2°C (36°F)
Max Temperature
18°C (64°F)
Chance of Rain
6%
Precipitation
12 mm (0.5 in)
Rainy days
2 days
Humidity
57%
Sunshine
239 hours
Percentage Sunshine
75%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Juan typically stay consistent throughout July, with daily highs averaging around 18°C (64°F). Nights are cold, with lows around 1°C (34°F).
Average temperatures in July
Historical weather for San Juan in July
Browse day-by-day weather records for San Juan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Juan historical weather extremes in July
According to our 49 years of weather records for San Juan, the following extremes were recorded between 1976 and 2025.
- The hottest July day on record in San Juan reached 33°C (91°F) (July 11, 2006).
- San Juan experienced its chilliest July day on July 11, 2000, reaching only 3°C (37°F).
- The lowest overnight temperature recorded in July was -8°C (18°F) (July 22, 2013).
Best Places in Argentina in July
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in July →
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What to Wear in San Juan in July
Pleasant temperatures in July mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Juan in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our San Juan's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Juan climate overview or explore weather in Argentina.
