Mild
Average highs are around 21°C, so days are mild rather than hot.
May verdict
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 7mm, which is relatively low for holiday planning.

Monthly averages
Temp
21°C
Rain
7mm
Sun
4.9h
Weather score
51
Mixed
Mild
Average highs are around 21°C, so days are mild rather than hot.
Drier
Rainfall averages 7mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Map
Compare Salta, Argentina with nearby places by weather score, rain, sun, temperature, and swim conditions.
May21°C average high
May is on the cooler side of Salta's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to February and October to December
This stretch sets the upper range for average daytime heat.
May7mm average rain
May is one of Salta's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May4.9 hours average sun
May is below Salta's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJuly to September
This stretch has the strongest sunshine in the monthly averages.
May51 weather score
May scores below Salta's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsSeptember to December
These months have the strongest weather score in the monthly averages.