The most comfortable time to visit Salta is from August to mid November, and again from mid March to mid May. For sun, aim for late December to early February; for walking, go from mid April to mid September.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from late December to early February, with a second spell from late February to early March. It peaks in late January, at 65. Avoid mid May to July for this: it falls to 1, mostly because it is too cool. The clearest skies come in August, when the sky is typically 34% covered at midday (mostly clear).
The being outside season here runs from August to mid November, with a second spell from mid March to mid May. It peaks in mid April, at 81. The weakest stretch is from mid June to mid July, when it drops to 39, mostly because it is too cold.
For walking, go from mid April to mid September. It peaks in mid May, at 80. Avoid January to early February for this: it falls to 11, mostly because it is too warm.
The year, measured
The average temperature in Salta over the whole year is 18°C. January is the hottest month, with highs of about 27°C; June is the coldest, with lows of about 6°C. The rainy (wet) season in Salta runs from November to April, peaking in January with a 39% chance of rain on a given day. The dry season is May to October; July is the driest month, at 5%. Winds in Salta are highest in October, averaging 2.8 m/s (10 km/h), and lightest in April, at 1.8 m/s (6 km/h). The prevailing wind is from the NE. The clearest skies in Salta come in August, when the sky is typically 37% covered; March is the cloudiest month, at 70%.
Month by month Salta climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 27°C | 19°C | 28°C | 39% | 67% | 2.2 m/s | 43 | 60 | 14 |
| February | 26°C | 18°C | 27°C | 37% | 67% | 2.1 m/s | 49 | 58 | 19 |
| March | 24°C | 17°C | 25°C | 36% | 70% | 2.0 m/s | 60 | 46 | 33 |
| April | 21°C | 15°C | 21°C | 32% | 70% | 1.8 m/s | 77 | 25 | 56 |
| May | 18°C | 11°C | 17°C | 11% | 67% | 1.8 m/s | 62 | 6 | 77 |
| June | 16°C | 6°C | 14°C | 8% | 55% | 1.9 m/s | 42 | 3 | 75 |
| July | 16°C | 7°C | 14°C | 5% | 54% | 2.1 m/s | 45 | 2 | 77 |
| August | 20°C | 7°C | 17°C | 7% | 37% | 2.4 m/s | 60 | 12 | 73 |
| September | 23°C | 11°C | 20°C | 8% | 44% | 2.6 m/s | 66 | 24 | 60 |
| October | 25°C | 14°C | 23°C | 12% | 58% | 2.8 m/s | 66 | 34 | 48 |
| November | 27°C | 17°C | 25°C | 29% | 61% | 2.6 m/s | 59 | 47 | 32 |
| December | 27°C | 18°C | 26°C | 36% | 66% | 2.4 m/s | 51 | 52 | 24 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Salta weather by season
Year round, Salta has days of about 16°C at their warmest in June, its coolest month, and 27°C in January, its warmest; the coolest hours of the day run from 6°C to 19°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Salta weather in winterJune to August
Winter in Salta has typical daily highs of about 17°C and lows of about 7°C, with a 7% chance of rain on a given day.
Salta weather in springSeptember to November
Spring in Salta has typical daily highs of about 25°C and lows of about 14°C, with a 16% chance of rain on a given day.
Salta weather in summerDecember to February
Summer in Salta has typical daily highs of about 26°C and lows of about 18°C, with a 37% chance of rain on a given day.
Salta weather in autumnMarch to May
Autumn in Salta has typical daily highs of about 21°C and lows of about 14°C, with a 26% chance of rain on a given day.
When is the rainy season in Salta?
The rainy (wet) season in Salta runs from November to April, peaking in January with a 39% chance of rain on a given day. The dry season is May to October; July is the driest month, at 5%.
What time of year is Salta windiest?
Winds in Salta are highest in October, averaging 2.8 m/s (10 km/h), and lightest in April, at 1.8 m/s (6 km/h). The prevailing wind is from the NE.
What is the average temperature in Salta year round?
The average temperature in Salta over the whole year is 18°C. January is the hottest month, with highs of about 27°C; June is the coldest, with lows of about 6°C.
Where to go instead in mid June, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.