Weather in Salta in June
Argentina · 20-year averages, June
Prime time. If you get to pick your dates, June is the one. Highs average 25.5 °C, lows 10.8 °C, and rain falls on 1 days — nothing in the month is working against you.
June is the highest-scoring month of the twelve. The nearest rival is July, and the month at the other end of the year is December.
Rain falls on only 1 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.
What the averages hide
Averages flatten a month, and this one hides a few things: 5 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest June day reached 35.1 °C and the coldest night fell to -0.8 °C.
June is dependably dry, and that reliability is the point: across the twenty years measured, the wettest June on record still only managed 19 mm, and the driest managed 0 mm. There is no meaningful variability to plan around, which makes this one of the few months anywhere that you can build a fixed outdoor itinerary against without a fallback. The wettest single day in twenty years of Junes brought 12 mm. Rain simply is not the variable that decides this trip — heat, crowds and cost are.
Wind is light at 6.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 52%.
How June sits in the year
Temperatures hold steady either side: 25.9 °C in May, 25.5 here, 25.4 in July. Nothing about the timing within the month matters much.
Daylight in June
June sits at the dark end of Salta's year — 10.6 hours of daylight against 13.7 at midsummer, holding steady all month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.
An inland climate
Despite being inland, the year stays fairly even: 21.9 °C between the year's warmest afternoons and coldest nights. At 1054 m the air is thin enough to matter — sun that burns faster than the temperature suggests, and nights that cool off quickly. Within June itself the daily swing is 14.7 °C, so mornings and afternoons need different clothes.
How busy it gets
Peak season. Expect the highest prices of the year and to be booking well ahead.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Salta versus nearby
If Salta is one option among several, the nearby comparison is worth making. San Miguel de Tucumán is close enough to be a coin toss — 3.6 °C cooler, 2 days more rain. Antofagasta is close enough to be a coin toss — 8.6 °C cooler, 1 day less rain.
So: June is the answer for Salta. If it is booked out or priced out, July is the next best thing at 0 points behind, and December is the month to keep off the shortlist.
Every month in Salta
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 30.7 | 19.9 | 17 | 184 | 74 | 13.5 | 48 |
| February | 29.8 | 19.5 | 16 | 164 | 78 | 12.9 | 53 |
| March | 29 | 18.4 | 14 | 116 | 79 | 12.3 | 63 |
| April | 27.7 | 15.8 | 8 | 57 | 73 | 11.5 | 81 |
| May | 25.9 | 12.3 | 3 | 12 | 62 | 10.9 | 95 |
| June | 25.5 | 10.8 | 1 | 5 | 52 | 10.6 | 98 |
| July | 25.4 | 10 | 1 | 2 | 46 | 10.7 | 98 |
| August | 27.3 | 10.9 | 1 | 3 | 42 | 11.2 | 97 |
| September | 29.1 | 12.7 | 1 | 4 | 45 | 11.9 | 89 |
| October | 31.5 | 15.9 | 5 | 29 | 52 | 12.6 | 70 |
| November | 31.9 | 17.6 | 9 | 65 | 59 | 13.3 | 61 |
| December | 31.6 | 19.1 | 15 | 141 | 69 | 13.7 | 48 |
See all twelve months in Salta, or where else to go in June.
Planning the rest of the trip
- Flight time to Salta how long you are actually in the air
- Salta time zone and the difference from home
- Days until your trip count down to the departure date