San Salvador de Jujuy weather in January

January in San Salvador de Jujuy: hot, soaked, with clean air — fine if you can take 24 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

San Salvador de Jujuy🇦🇷 Argentina · Northwest Argentina · City72
  1. 72Jan
  2. 76Feb
  3. 74Mar
  4. 74Apr
  5. 79May
  6. 83Jun
  7. 85Jul
  8. 88Aug
  9. 90Sep
  10. 83Oct
  11. 80Nov
  12. 74Dec

#12 of 12 months in San Salvador de Jujuy · #665 of 1413 destinations to visit in January · comfort 72/100 (tier B)

Days
26°C
Nights
16°C
Wet days
24
Sun
10.9 h
Humidity
83%
Daylight
13 h
San Salvador de Jujuy, Argentina
Photo: Nieve_en_verano,_Jujuy · CC BY-SA 3.0

Traveller notes on San Salvador de Jujuy in January

Notes from nearby Tilcara (69 km away)

San Salvador de Jujuy doesn't have its own notes for January yet — these are about Tilcara, close enough to share the season.

Jujuy/Salta region forum threads describe January as genuinely the warmest month here, with intense high-altitude sun balanced by a fairly constant breeze that keeps shade pleasantly warm rather than hot. It's also rainy season, but posters who'd actually visited described rain mostly falling at night, with only occasional afternoon showers - one traveler recalled needing an umbrella for just an hour across an entire trip. The general read: a forecast showing rain most days doesn't mean rain all day, and daytime sightseeing around Tilcara's colorful Quebrada de Humahuaca landscape generally goes ahead as planned.
QuebradaHumahuacaRegular · January · 1 month ago · about Tilcara · Read more on Tripadvisor ↗

Other months in San Salvador de Jujuy

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.
NorthwestArgentinaHighlandsRegular · February · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

Add your own note from San Salvador de Jujuy's card on the map.

San Salvador de Jujuy climate normals — January

Daytime high26°C / 79°F🥵 hot
Nighttime low16°C / 62°F
Feels like (high)31°C / 88°F
Rainfall248 mm / 9.8 in⛈ soaked
Rainy days24 days
Humidity83%💦 very humid
Dew point17°C / 63°F
Sunshine10.9 h/day
Daylight13.4 h
Wind7 km/h / 4 mph
Air quality (US AQI)26🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in San Salvador de Jujuy in January

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.

Peak crowdsChristmas and New Year, Summer holidays in Argentina, school holidays in 3 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for San Salvador de Jujuy's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherSan Salvador de Jujuy's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in San Salvador de Jujuy in January

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Summer landslides in the Quebrada

    1 Jan – 31 Mar · usuallyLandslide season

    Summer storms send mud and rockslides across Ruta 9 near Volcan and Tunalito and Ruta 52 at the Cuesta de Lipan, cutting access to Purmamarca, Tilcara and Humahuaca for hours or days. Check road reports before a day trip. Source ↗

  • Holiday

    Christmas and New Year

    24 Dec – 1 JanChristmas & New YearClosures

    Argentines celebrate at midnight on 24 and 31 December with family dinners and fireworks. Shops close early on those evenings, and on 25 December and 1 January almost everything is shut, including many restaurants. Source ↗

  • Season

    Wet season

    MonsoonRisk

    24 rainy days and about 248 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in January →

Where is San Salvador de Jujuy?

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San Salvador de Jujuy in January — FAQ

Is January a good time to visit San Salvador de Jujuy?
January in San Salvador de Jujuy: hot, soaked, with clean air — fine if you can take 24 rainy days. It ranks #12 of 12 months for San Salvador de Jujuy on SeasonMap's comfort score (72/100).
What is the weather like in San Salvador de Jujuy in January?
In January, San Salvador de Jujuy averages a daily high of 26.3°C and a low of 16.4°C, with about 247.8 mm of rain over roughly 23.8 rainy days.
What is the air quality in San Salvador de Jujuy in January?
San Salvador de Jujuy has a mean US Air Quality Index of about 26 in January.