Best time to visit Salta

Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
11119765579101010
On the sunniest 1 in 10 days, UV reaches this — and even higher
15151210866812131515
PM2.5 air quality · on a typical day (?)
554444676675
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
98787711121111138
September 9/10 feels 22°C (+2°C vs 1991-2020) · HCI 94/100
Day 23° · Night 8° ☀ UV 9.2 (very high) 40% humidity 12 km/h wind 4 rain days (50h) 226h sun
Thermal 9
Sky 10
Rain 10
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.

Compare with another destination

Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.

Tours in Salta

6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you.

  1. 1Laguna del Toro and Flamingo-Watching 4WD5.00★ (2)11hfrom $418🔥 Selling fast
  2. 2Safari to the Clouds: Salinas Grandes and Purmamarca by Movitrack5.00★ (4)14hfrom $324🔥 Selling fast
  3. 3Private Transfer from Salta Airport5.00★ (3)30mfrom $20
  4. 4Salinas Grandes and Purmamarca Full Day Tour4.43★ (35)11hfrom $65🔥 Selling fast
  5. 5Cafayate Wine Trail Excursion: Explore Salta's Vineyards3.58★ (12)10hfrom $105🔥 Selling fast
  6. 6Quebrada de Humahuaca and Purmamarca4.27★ (75)12hfrom $101🔥 Selling fast

Last refreshed 2026-06-20.

Similar climatesBrisbane85% · Hanga Roa80% · Cusco78%

Other destinations with the most-alike year-round climate to Salta (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Salta's. Based on the 2020-2024 climatology, not this year's actual weather.

Month-by-month

Month Temp °C Feels °C Rain days Rain h Rain h/day Humidity Wind km/h Sun h UV Interest Score
Jan 16–27 29 18 243 13.5 62% 11 253 11 Quiet 5
Feb 15–25 27 21 285 13.6 70% 11 210 11 Quiet 5
Mar 15–24 26 18 262 14.6 69% 11 219 9 Quiet 5
Apr 12–21 22 14 220 15.7 72% 11 183 7 Quiet 6
May 7–18 17 7 102 14.6 67% 10 195 6 Quiet 8
Jun 5–17 16 3 52 17.3 61% 10 204 5 Quiet 8
Jul 4–18 16 3 40 13.3 54% 11 221 5 Moderate 9
Aug 5–21 18 1 15 15.0 41% 12 242 7 Peak 9
Sep 8–23 22 4 50 12.5 40% 12 226 9 Peak 9
Oct 11–26 25 8 91 11.4 42% 14 238 10 Moderate 9
Nov 14–26 26 13 177 13.6 50% 14 230 10 Peak 8
Dec 15–26 27 20 230 11.5 59% 13 247 10 Moderate 6

UV Index in Salta by Month

UV index in Salta peaks at 11 (extreme) in February, dropping to 5 (moderate) in June. January, February, March, September, October, November, December reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

Best months in detail

September

9/10

8–23°C (feels 22°C) · 4 rain days (50h) · 226 sun hours · 40% humidity · Peak crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

August

9/10

5–21°C (feels 18°C) · 1 rain days (15h) · 242 sun hours · 41% humidity · Peak crowd · UV 7 (high) · sunniest 1 in 10 days reach 8 (very high)

July

9/10

4–18°C (feels 16°C) · 3 rain days (40h) · 221 sun hours · 54% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)

Every month

Show the other 9 months in detail

January

5/10

16–27°C (feels 29°C) · 18 rain days (243h) · 253 sun hours · 62% humidity · Quiet crowd · UV 11 (very high) · sunniest 1 in 10 days reach 15 (extreme)

February

5/10

15–25°C (feels 27°C) · 21 rain days (285h) · 210 sun hours · 70% humidity · Quiet crowd · UV 11 (extreme) · sunniest 1 in 10 days reach 15 (extreme)

March

5/10

15–24°C (feels 26°C) · 18 rain days (262h) · 219 sun hours · 69% humidity · Quiet crowd · UV 9 (very high) · sunniest 1 in 10 days reach 12 (extreme)

April

6/10

12–21°C · 14 rain days (220h) · 183 sun hours · 72% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 10 (very high)

May

8/10

7–18°C · 7 rain days (102h) · 195 sun hours · 67% humidity · Quiet crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 8 (high)

June

8/10

5–17°C (feels 16°C) · 3 rain days (52h) · 204 sun hours · 61% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)

October

9/10

11–26°C (feels 25°C) · 8 rain days (91h) · 238 sun hours · 42% humidity · Moderate crowd · UV 10 (very high) · sunniest 1 in 10 days reach 13 (extreme)

November

8/10

14–26°C · 13 rain days (177h) · 230 sun hours · 50% humidity · Peak crowd · UV 10 (very high) · sunniest 1 in 10 days reach 15 (extreme)

December

6/10

15–26°C (feels 27°C) · 20 rain days (230h) · 247 sun hours · 59% humidity · Moderate crowd · UV 10 (very high) · sunniest 1 in 10 days reach 15 (extreme)

Frequently asked questions about visiting Salta

When is the best time to visit Salta?

September is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 8–23°C (4 rainy days). The top three months by score are September, August, July.

What is the worst time to visit Salta?

February is the lowest-scoring month (5/10). Typical conditions: 15–25°C (21 rainy days).

When are crowds lowest in Salta?

Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in November. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.

Which months in Salta have good weather but fewer tourists?

July (climate 9/10, crowd index 45) and May (climate 8/10, crowd index 10) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Salta by month?

UV peaks at 11 (extreme) in February and is lowest in June at 5 (moderate). Monthly peak values: Jan 11, Feb 11, Mar 9, Apr 7, May 6, Jun 5, Jul 5, Aug 7, Sep 9, Oct 10, Nov 10, Dec 10. January, February, March, September, October, November, December reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.

What is the UV index in Salta in February?

February is the peak UV month in Salta, with a daily-peak UV index of 11 (extreme). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).

How high can UV get in Salta on the sunniest days?

Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. January is the worst case: typical days average UV 11 (very high), but the top 10% of days reach UV 15 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, February, March, April, May, June, July, August, September, October, November, December. Plan sun protection for the worst case, not the average.