San Salvador de Jujuy weather by month
The best time to visit San Salvador de Jujuy is July to September — 90/100 in September, 23°C and 13 rainy days. The best season is winter, June to August (85/100 on average).
The worst month is January at 72/100 — hot, soaked, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Argentina →
Best season: June to August (85/100 on average) · worst January (72/100)
- Days
- 23°C
- Nights
- 10°C
- Wet days
- 13
- Sun
- 10.8 h
- Humidity
- 69%
- Daylight
- 12 h

San Salvador de Jujuy, month by month
Comfort score out of 100 for the kind of trip San Salvador de Jujuy is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in San Salvador de Jujuy through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Summer landslides in the Quebrada1 Jan – 31 Mar (usually)Hazard
- February
- Carnaval jujeño1 Feb – 5 Mar (usually)Festival
- March
- Punta Corral pilgrimage10 Mar – 20 Apr (usually)Festival
- Semana Santa2–5 AprHoliday
- June
- Inti Raymi, the Andean New Year20–21 JunFestival
- July
- Argentine winter holidays5 Jul – 5 Aug (usually)Season
- August
- Pachamama month1–31 Aug (usually)Festival
- Éxodo Jujeño22–23 AugFestival
- September
- Fiesta Nacional de los Estudiantes12–26 SepFestival
- October
- Virgen de Rio Blanco y Paypaya1–31 OctFestival
- December
- Christmas and New Year24 Dec – 1 JanHoliday
Crowds in San Salvador de Jujuy in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyFiesta Nacional de los Estudiantes, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on San Salvador de Jujuy
What people who have been say about the place — the year-round notes first, then month by month.
Northwest Argentina's forum describes February as squarely in the rainy season for Jujuy and neighboring Salta - some roads can flood or become impassable, but mornings are typically clear with little landslide risk, and the big storms tend to arrive in the afternoon rather than at random. Posters recommended strong sun protection regardless, since the sun is intense whenever it does break through the cloud cover. It's a month that rewards flexible day planning - clear mornings for sightseeing, afternoon plans held loosely in case a storm rolls in.
Forum posters describe this stretch of northwestern Argentina in August as genuinely excellent - close to zero chance of rain, a dry climate, and sunshine essentially every day, though cold mornings and nights are a real feature of the season. Posters describe a typical day warming into the high-60s to low-70sF by early afternoon before dropping sharply once the sun starts setting, commonly down into the 50sF or cooler by early evening. Posters recommend light clothing plus a hat and sunblock for midday sun exposure, alongside a fleece for the cold mornings and evenings - the day-to-night swing here is described as the defining feature of the season rather than any single extreme.
Add your own note from San Salvador de Jujuy's card on the map.