San Juan weather
At 8:30 PM local time it was clear and 27°C (80°F). Little to no rain in the next 24 hours. The weather is fairly even all year. San Juan sits 640 m (2,100 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for San Juan, San Juan, Argentina.
Current conditions
- Clouds
- 0%
- Chance of rain
- 8%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Weather stays about the same all year.
About San Juan weather
Is it raining in San Juan right now?
No. It’s clear and 27° right now. Little to no rain in the next 24 hours.
What’s the weather like in San Juan this week?
Over the next 7 days, expect highs of 25–33° and lows of 15–18°. Little rain is expected. The driest day looks like Sunday.
Has it been raining in San Juan lately?
In the past 7 days, San Juan had 1 rainy day and 1.6 mm of rain in total.
What should I pack for San Juan?
For the coming week, bring light, breathable clothes and sunscreen.
San Juan weather by month
When is the best time to visit San Juan?
San Juan's weather stays fairly even through the year, so any month works, according to NASA's 2001–2025 climate averages. Average highs run from 17°C (62°F) in July to 32°C (89°F) in January.
What is the rainiest month in San Juan?
February is the wettest month, with about 34 mm (1.3 in) of rain on average. July is the driest, with about 3 mm (0.1 in).
What is the hottest month in San Juan?
January is the warmest, with average highs of 32°C (89°F) and lows of 17°C (63°F). July is the coolest, with highs of 17°C (62°F) and lows of 2°C (35°F).
Does San Juan have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is February at about 34 mm (1.3 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months