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Salta in May: Weather, Average temperature and Climate

Take a look at past year’s weather for Salta in May and see if it is worth visiting.
Check flight prices to Salta on Avionero:
May

Weather in Salta in May 2025

OK Weather
Mild
🌧️
Rainy
Salta in May usually sees fair weather conditions, with an average daily high temperature of +66°F and roughly 4 sunny days. However, you should prepare for about 21 rainy days with an average precipitation of 117 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+66°F
Avg. max. temperature
+32°F
Min.
+86°F
Max.
117 mm
Total precipitation
85%
Avg. humidity
1 m/s
Avg. wind
4 ☀️
Sunny Days
5 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: Salta has OK weather in May.

Average temperature in Salta in May

Here are the expected maximum, average and minimum temperatures in Salta for May based on the historical data.
Last Year
Historical Data

The temperature in May is +70°F on average, with a range between a maximum of +79°F during the day and a minimum of +43°F at night.

The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +70°F to +68°F.

Is Salta warm or cold in May?

Salta is typically mild in May.

Maximum temperatures go down compared to the previous month from +70°F to +66°F. The minimum temperature also goes down from +55°F to +48°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

May is one of the coolest months in Salta, here is the comparison with other months:

Climate in Salta in May

Salta weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+70°F+66°F+63°F
Min. temperature
+37°F+32°F+23°F
Max. temperature
+86°F+86°F+88°F
Rainfall
222 mm117 mm55 mm
Wind
1 m/s1 m/s1 m/s
Humidity
88%85%78%
Air pressure
1014 HPa1015 HPa1015 HPa
Sunny days
249
Cloudy days
357
Rainy days
252114
Snowy days
000

May weather is still as ok as in April. It’s getting colder in May. From +70°F in the day, the average maximum temperature lowers to +66°F. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 222 mm to 117 mm. It feels drier, as humidity decreases from 88% to 85%. The average wind speed doesn’t change much during May, staying around 1 m/s. The good news is there are likely to be more sunny days in May, from 2 to 4.

June brings much the same weather, it remains ok.

Wind

Wind speed in Salta in May based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Salta is gradually decreasing during May, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Salta based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in May stands at 35%, leading to total precipitation of around 59 mm. The maximum amount of rainfall per day is around 16 mm, which is considered light rain. May is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Salta wettest month is January, where a typical day has a 81% chance of precipitation and 353 mm of rainfall per day. July, on the other hand, is the driest month with a mere 39% chance of precipitation and 41 mm of rainfall per day.

How was the weather last May in Salta?

This is the weather in Salta in May 2023:
1 May
🌧️
+69°F
2 May
☁️
+57°F
3 May
☁️
+59°F
4 May
☁️
+57°F
5 May
☁️
+63°F
6 May
☁️
+64°F
7 May
☀️
+71°F
8 May
☀️
+70°F
9 May
☀️
+70°F
10 May
☀️
+72°F
11 May
☁️
+65°F
12 May
☀️
+70°F
13 May
☀️
+74°F
14 May
☀️
+74°F
15 May
☀️
+74°F
16 May
☁️
+76°F
17 May
☁️
+75°F
18 May
🌧️
+73°F
19 May
☁️
+73°F
20 May
🌧️
+63°F
21 May
🌧️
+70°F
22 May
☀️
+77°F
23 May
☀️
+72°F
24 May
☀️
+77°F
25 May
🌧️
+76°F
26 May
☀️
+79°F
27 May
🌧️
+67°F
28 May
🌧️
+60°F
29 May
☁️
+59°F
30 May
☀️
+67°F
31 May
☀️
+68°F
In May 2023 Salta had 14 sunny days, 10 cloudy days, and 7 rainy days. The average maximum temperature was +70°F, with an absolute maximum of +79°F and a minimum of +57°F. The average humidity was 82%, with a maximum of 100% and a minimum of 42%. The average wind speed was 2 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change Over the Years

This is how Salta climate has changed over the last 43 years.

The climate in Salta in May has not changed that much over the last 43 years.

The average temperature was the lowest in 1992 (+69°F) and the highest in 2023 (+76°F). The driest year was 2020 with only 1490 mm of rainfall, and the wettest year was 1985 with 3034 mm.

FAQ

Frequently asked questions about the weather in Salta in May:

Is May a good time to visit Salta?

It’s always a good time to visit Salta, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Salta in May?

May has mild temperatures in Salta. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Salta rainy in May?

Salta is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Salta in May?

Usually, it’s not very sunny in Salta in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Argentina

Check out the weather for other cities in Argentina.

Monthly weather in Salta

Source of the data

For this page, we’ve looked at the typical weather in Salta, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.