San Juan Weather in June
Thinking of visiting San Juan in June? Expect pleasant temperatures reaching 18°C (64°F) during the day, dropping to 3°C (37°F) at night, with the driest conditions of the year.
Rainfall in San Juan in June
Clear skies and little rain are the norm this month. A great time to spend time outdoors. You can expect rain on roughly a single day based on historical data, averaging 12 mm (0.5 in) for the month. If rain does fall, it tends to be a moderate shower rather than anything heavy.
Temperature in San Juan in June
San Juan in June has perfect weather. Days reach 18°C (64°F) and nights cool to 3°C (37°F). During June, the winter season is in full swing. Conditions are often most pleasant around the middle of the day. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in San Juan in June
There are approximately 208 hours of sunshine this month, resulting in mostly clear days.If you're a fan of comfortable temperatures and drier conditions, June is a great time to visit.
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 June
Min Temperature
3°C (37°F)
Max Temperature
18°C (64°F)
Chance of Rain
4%
Precipitation
12 mm (0.5 in)
Rainy days
a single day
Humidity
63%
Sunshine
208 hours
Percentage Sunshine
68%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Juan typically stay consistent throughout June, with daily highs averaging around 18°C (64°F). Nights are cold, with lows typically ranging from 0°C (32°F) to 4°C (39°F).
Average temperatures in June
Historical weather for San Juan in June
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 June
Based on weather observations in San Juan between 1983 and 2026, these are the recorded extremes during June.
- San Juan recorded its highest June temperature of 29°C (84°F) on June 13, 2012.
- The lowest daytime temperature in June was 3°C (37°F), recorded on June 1, 1983.
- Nighttime temperatures dropped to -7°C (19°F) on June 30, 1996, marking the coldest June night on record.
Best Places in Argentina in June
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in June →
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tolerable
unpleasant
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What to Wear in San Juan in June
For San Juan in June, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear. 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 June
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.
