Climate and monthly weather forecastSalta, Argentina

Climate and monthly weather forecast
The climate of Salta
Bearing the Köppen climate classification of Cwa, Salta in Argentina is exposed to a humid subtropical climate exhibiting dry winter conditions. The weather patterns throughout the year exhibit significant inconsistencies, governed by the intricate interplay of diverse weather parameters.Traversing the calendar year, temperatures in Salta experience significant variations. The average high temperature ranges from 16.5°C (61.7°F) to 24.3°C (75.7°F), further complemented by the low-temperature fluctuation between 5.7°C (42.3°F) to 14.8°C (58.6°F). Humidity also follows a distinct annual pattern, with relative humidity rates oscillating from 48% to 80%. Divergent patterns are witnessed in the rainfall charts as well, with highest rainfall of 105mm (4.13") in January and minimal down to 2mm (0.08") in July and August. While it rains throughout the year, the number of total rainfall days recorded each month exhibit a similar trend, with maximum 22 days in March and minimal down to 1.9 days in August.
Further enriching Salta's climate canvas are discrete weather elements including sunshine hours, UV Index, visibility, cloud cover, atmospheric pressure, and wind speed. The data presents a myriad of contrasting events such as the combined high and low winds, high daylight hours during December at 13.7hrs, and lowest cloud cover during August at 7%.
Interestingly, Salta does experience snowfall, albeit limited to a mere 3mm (0.12") registered in July. This highlight of Salta's weather portrait completes the distinct climate nuances of this Argentinian city.
The best time to visit Salta
Based on the analysis of climatological parameters, the optimal time to visit Salta is between May and September. During this timeframe, the city experiences milder temperatures between 16.5°C (61.7°F) to 19.6°C (67.3°F) with lower relative humidity from 48% to 70%. Coupled with minimal rainfall averaging from 2mm (0.08") to 9mm (0.35") and fewer rainfall days, the weather conditions during this period make outdoor activities more enjoyable. Visitors can also expect greater visibility of up to 10km (6.2mi), with lower cloud percentage from 7% to 19%, allowing for optimal viewing of Salta's scenic landscapes.The worst time to visit Salta
Holidaymakers might eschew a visit from January to March owing to various weather factors. The city undergoes its highest highs of 24.2°C (75.6°F) to 23.4°C (74.1°F) while also being subject to maximum humidity of 74% to 80%, creating a moderately uncomfortable climate. In these months, the city receives the most rainfall, averaging from 95mm (3.74") to 105mm (4.13") across 20.6 to 22 days. These weather conditions could restrict outdoor explorations while also resulting in reduced visibility.Spring weather in Salta
Spring descends upon Salta from September to November, bringing a gradual rise in temperatures from 19.6°C (67.3°F) to 23.6°C (74.5°F). The relative humidity during this season lies on the higher edge, moving between 52% to 69%. Salta receives a rainfall of 12mm (0.47") to 74mm (2.91") across this period, spread over 5.2 to 19.5 days each month. This data represents a progressive increase in rainfall as the season advances.Summer weather in Salta
During the summer months of December to February, Salta reaches its peak temperatures of 24.3°C (75.7°F) to 24.2°C (75.6°F). Humidity in this period hovers between 70% to 77%, coupled with significant rainfall from 89mm (3.5") to 105mm (4.13") over a span of 21 to 21.1 days. While the city enjoys the highest daylight hours of 13.7hrs and 13.5hrs, the higher temperatures coupled with greater rainfall might not be ideal for outdoor activities.Autumn weather in Salta
Autumn arrives in Salta from March to May with temperatures gradually lowering from 23.4°C (74.1°F) to 17.9°C (64.2°F). Relative humidity, however, contrarily increases from 80% to 70%, while rainfall descends from 58mm (2.28") to 9mm (0.35") over 22 to 9.2 days. Adding to the autumnal charm is the abundant sunlight, thanks to the high daylight hours from 12.2hrs to 10.9hrs.Winter weather in Salta
Winter in Salta stretches from June to August with temperatures fluctuating from 17°C (62.6°F) to a yearly low of 16.5°C (61.7°F). The city experiences its driest phase during this season, with minimal rainfall from 4mm (0.16") to 2mm (0.08") over 2.9 to 1.9 days. Increasing daylight hours from 10.6hrs to 11.3hrs paired with fewer clouds of 9% to 7% ensure bright days, while higher visibility of 10km (6.2mi) adds to the charms of this winter wonderland.Weather in January
In Salta, Argentina, weather conditions in January primarily present high humidity levels, fluctuating between frequent rainy days and enviable sunny days. This month marks the onset of the year with warm temperatures during the day, hitting a peak at 24.2°C (75.6°F). Weather in January »Weather in February
February's meteorological sequences continue to uphold the muggy climate conditions of the city. Temperatures cool off slightly in comparison to January, with February witnessing the lowest visibility range of the year. A highlight of this month's weather is the moderate humidity, accentuated by 95mm (3.74") of rainfall accompanied by 20.6 days of precipitation. Weather in February »Weather in March
In the month of March, the weather starts to shift with rainfall plummeting down to 58mm (2.28"), fewer rainy days, and a decrease in temperature. The city begins to experience dryer conditions, gradually withdrawing from the humidity-ridden climate experienced in earlier months. Weather in March »Weather in April
As Salta strides into April, the weather seems to have taken a turn towards the dry season with declining rainfall. Residents of Salta observe palpable changes in the wind speed, falling from 7.4km/h (4.6mph) in March to 7.3km/h (4.5mph) this month. Weather in April »Weather in May
May in Salta presents a drastic shift in weather conditions from April, the temperature continues to drop, bringing along cooler days. The characteristic weather alterations seen in this month are the declining daylight hours, dropping to 10.9 hrs a day. Weather in May »Weather in June
In June, Salta, Argentina experiences a further drop in temperature, affording chilly days. The weather finds semblance in the reduced rainfall from previous months while predicting a lesser number of daylight hours for the days to come. Weather in June »Weather in July
July's climatology presents Salta with the coldest month of the year, along with the lowest rainfall. The wind speed accelerates to 7.8km/h (4.8mph), influenced by atmospheric pressure reaching a peak of 1018.2mb. Captivatingly, despite minimal rainfall, July surprises with an intriguing appearance of snowfall on a third of a day. Weather in July »Weather in August
As Salta embarks into August, the weather shows an upward trend in the temperature scale, parting ways from the colder previous months. The humidity starts to recover, yet continues to be on the lower side relative to the early part of the year. Weather in August »Weather in September
In September, Salta’s weather life circles back to the onset of rainfall abundance, paving the way for the late wet season. An increase in rainy days, daylight hours and temperature becomes increasingly observable. The rising trend of the wind gusts intrigues with a speed of 12.9km/h (8mph). Weather in September »Weather in October
October's atmospheric narrative in Salta transitions into growing rainfall accumulation, increased cloud density, and curtailed daylight hours. A shift from the gentle breezes of September is depicted as the wind roars at a speed of 9.6km/h (6mph). Weather in October »Weather in November
November in Salta births the rainy season in its full swing, with precipitation and relative humidity nudging higher. The weather deviation of this month is most prominently exhibited in the considerable cloud cover, taking up to 29% of the sky. Weather in November »Weather in December
In December, Salta anticipates a cocktail of weather patterns with heightened precipitation and receded temperatures. Both cloudbursts and sunshine contest, offering a unique blend of weather conditions. The scenario of rainfall reaching its second highest measure of the year - 89mm (3.5") - draws attention. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Salta, Argentina
The warmest month (with the highest average high temperature) is December (24.3°C).
The month with the lowest average high temperature is July (16.5°C).
The month with the highest average low temperature is December (14.8°C).
The coldest month (with the lowest average low temperature) is July (5.7°C).
Average pressure
Salta, Argentina
- Average pressure in January:
1012.3mbar - Average pressure in February:
1012.5mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1017mbar - Average pressure in June:
1017.7mbar
- Average pressure in July:
1018.2mbar - Average pressure in August:
1017.3mbar - Average pressure in September:
1015.7mbar - Average pressure in October:
1013.3mbar - Average pressure in November:
1011.7mbar - Average pressure in December:
1010.9mbar
The month with the highest atmospheric pressure is July (1018.2mbar).
The month with the lowest atmospheric pressure is December (1010.9mbar).
Average wind speed
Salta, Argentina
- Average wind speed in January:
7.7km/h - Average wind speed in February:
7.5km/h - Average wind speed in March:
7.4km/h - Average wind speed in April:
7.3km/h - Average wind speed in May:
7.4km/h - Average wind speed in June:
7.6km/h
- Average wind speed in July:
7.8km/h - Average wind speed in August:
8.5km/h - Average wind speed in September:
9.3km/h - Average wind speed in October:
9.6km/h - Average wind speed in November:
9.2km/h - Average wind speed in December:
8.4km/h
The windiest month (with the highest average wind speed) is October (9.6km/h).
The calmest month (with the lowest average wind speed) is April (7.3km/h).
Average humidity
Salta, Argentina
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (48%).
Average rainfall
Salta, Argentina
The wettest month (with the highest rainfall) is January (105mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days
Salta, Argentina
- Average rainfall days in January:
21.1 days - Average rainfall days in February:
20.6 days - Average rainfall days in March:
22 days - Average rainfall days in April:
18.4 days - Average rainfall days in May:
9.2 days - Average rainfall days in June:
2.9 days
- Average rainfall days in July:
2.4 days - Average rainfall days in August:
1.9 days - Average rainfall days in September:
5.2 days - Average rainfall days in October:
16.4 days - Average rainfall days in November:
19.5 days - Average rainfall days in December:
21 days
The month with the highest number of rainy days is March (22 days).
The month with the least rainy days is August (1.9 days).
Average snowfall
Salta, Argentina
The month with the highest snowfall is July (3mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days
Salta, Argentina
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0.3 days - Average snowfall days in August:
0.1 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is July (0.3 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).
Average daylight / Average sunshine
Salta, Argentina
- Average daylight in January:
13h and 30min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
10h and 54min - Average daylight in June:
10h and 36min
- Average daylight in July:
10h and 48min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 18min - Average daylight in December:
13h and 36min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in January:
9h and 0min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 18min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 48min - Average sunshine in October:
9h and 18min - Average sunshine in November:
9h and 0min - Average sunshine in December:
9h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is March (Average sunshine: 8h and 18min).
Average sunshine days
Salta, Argentina
- Average sunshine days in January:
8.5 days - Average sunshine days in February:
5.5 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
7.8 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
24.8 days
- Average sunshine days in July:
27.1 days - Average sunshine days in August:
27.5 days - Average sunshine days in September:
20.3 days - Average sunshine days in October:
11.7 days - Average sunshine days in November:
8.3 days - Average sunshine days in December:
7.6 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is February (5.5 days).
Average UV index
Salta, Argentina
The months with the highest UV index are January, February, March, September, October, November and December (UV index 5).
The month with the lowest UV index is May (UV index 3).
Average cloud cover
Salta, Argentina
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Salta, Argentina
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are March and April (8km).





