Salta weather in October

October in Salta: warm, rainy, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Salta🇦🇷 Argentina · Northwest Argentina · City81
  1. 62Jan
  2. 67Feb
  3. 68Mar
  4. 78Apr
  5. 83May
  6. 85Jun
  7. 87Jul
  8. 91Aug
  9. 89Sep
  10. 81Oct
  11. 76Nov
  12. 66Dec

#6 of 12 months in Salta · #528 of 1413 destinations to visit in October · comfort 81/100 (tier A)

Days
28°C
Nights
12°C
Wet days
16
Sun
10.8 h
Humidity
66%
Daylight
13 h
Salta, Argentina
Photo: Ton Souza · Pexels

Traveller notes on Salta in October

Forum posters describe October as warm by day - some reporting highs over 90F - cooling noticeably at night, with sunny skies and little rain the norm; posters note the broader April-through-November stretch here is essentially dry, so October sits comfortably within that reliable dry season. Standard packing advice given the day-to-night swing: layers for cooling evenings plus sun protection (sunscreen, sunglasses) for the strong high-altitude daytime sun. Posters consistently pair a Salta visit with nearby Cafayate (wine country) and Purmamarca (the colorful hillside town), both commonly reachable as day trips or short add-ons and similarly favorable weather-wise in October.
Tripadvisor community · October · 1 month ago · Read more on Tripadvisor ↗

Other months in Salta

Salta's forum describes April as the tail end of the wet season, with roughly even odds of rain early in the month dropping off sharply as it goes on - several posters said the rains typically wrap up around Easter, after which the Northwest settles into some of its best weather of the year. Nights get properly cold at Salta's altitude even as days stay mild to warm. The practical advice repeated most often is to avoid driving the mountain routes toward Cachi during an active downpour, since those roads are more exposed than the well-paved routes to Purmamarca or Cafayate.
NorthwestArgentinaRegular · April · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Salta's card on the map.

Salta climate normals — October

Daytime high28°C / 82°F🌤 warm
Nighttime low12°C / 53°F
Feels like (high)28°C / 82°F
Rainfall139 mm / 5.5 in🌧 rainy
Rainy days16 days
Humidity66%💧 humid
Dew point10°C / 50°F
Sunshine10.8 h/day
Daylight12.7 h
Wind10 km/h / 6 mph
Air quality (US AQI)36🍃 good

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

Crowds in Salta in October

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.

Shoulder seasonan ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Salta'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 weatherSalta's weather peaks July–September, best around August.

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Best weatherFair weatherToughest weather

What's on in Salta in October

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

  • Rule

    Tren a las Nubes runs all year

    1 Jan – 31 DecBook early

    The trip to the viaduct runs year round as a bus-and-train combination, and the operator cancels it outright when the weather turns on the puna. Book it early in the trip so there is a second chance. Source ↗

  • Season

    Dry months in the valleys

    15 Apr – 15 Nov · usuallyDry season

    Once the summer storms stop, the roads through the Calchaqui valleys and up to the salt flats are reliably open and the light is hard and clear. Nights at altitude go below freezing.

What's on around the world in October →

Where is Salta?

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Salta in October — FAQ

Is October a good time to visit Salta?
October in Salta: warm, rainy, with clean air — an excellent time to visit. It ranks #6 of 12 months for Salta on SeasonMap's comfort score (81/100).
What is the weather like in Salta in October?
In October, Salta averages a daily high of 27.5°C and a low of 11.8°C, with about 139.2 mm of rain over roughly 15.6 rainy days.
What is the air quality in Salta in October?
Salta has a mean US Air Quality Index of about 36 in October.