Weather in San Miguel de Tucumán in August

Argentina · 20-year averages, August

Prime time. If you get to pick your dates, August is the one. Highs average 25.8 °C, lows 9.5 °C, and rain falls on 1 days — nothing in the month is working against you.

August ranks 2 of 12 in San Miguel de Tucumán. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.

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: 8 days top 30 °C — hot spells arrive, but they break; the day swings 16.3 °C from low to high, which means one bag has to cover both. Across the twenty years measured, the hottest August day reached 39.3 °C and the coldest night fell to -1 °C, and the wettest single day dropped 36 mm — roughly 600% of the month's rain in one day.

August is dependably dry, and that reliability is the point: across the twenty years measured, the wettest August on record still only managed 78 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 Augusts brought 36 mm. Rain simply is not the variable that decides this trip — heat, crowds and cost are.

Wind is light at 8.4 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 46%.

How August sits in the year

The month is on the way up: 3.7 °C warmer than July, and September adds another 3.5 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in August

August sits at the dark end of San Miguel de Tucumán's year — 11.1 hours of daylight against 13.8 at midsummer, gaining 0.7 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

An inland climate

With no coast nearby, the year swings a fair way — 26.5 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. Within August itself the daily swing is 16.3 °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.

August in San Miguel de Tucumán versus nearby

If San Miguel de Tucumán is one option among several, the nearby comparison is worth making. Salta is close enough to be a coin toss — within a degree on temperature, the same number of rain days. Córdoba is close enough to be a coin toss — 2.6 °C cooler, the same number of rain days.

So: August is effectively as good as it gets here — 0 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in San Miguel de Tucumán

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January33.221.2 131886413.643
February31.620.6 12155691353
March29.818.7 121277212.363
April27.215.7 8787311.584
May23.911.4 4247110.894
June21.98.5 3206810.595
July22.17.5 145910.698
August25.89.5 164611.198
September29.312.9 2144111.986
October32.817 6524512.762
November3418.9 101025113.448
December33.620.5 131546013.843

See all twelve months in San Miguel de Tucumán, or where else to go in August.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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