Salta weather in October

In October, Salta sees average daytime highs of 20°C and overnight lows near 10°C, with 173 mm of precipitation across 17.7 wet days and about 12.6 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 32% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 54 min by month's end. Set against the rest of the year, October is Salta's 5th-clearest and 2nd-windiest month. For the whole year in context, see Salta's year-round climate.

Daytime high
20°
6th warmest
Overnight low
10°
6th coldest
Precipitation
173 mm
17.7 wet days
Daylight
12 h 36 min
6:49 AM – 7:24 PM
Cloud cover
60%
5th clearest
Wind
5 km/h
2nd windiest
Solar energy
5.95 kWh/m²
Travel score
5.3
out of 10

Salta is city located in the Lerma Valley, Argentina.

Founded
1582

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical October day in Salta reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, October runs about 2°C warmer than September and about 1°C cooler than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1199
2199
3209
4209
5209
6209
7209
8209
9209
102010
112010
122010
132010
142010
152010
162010
172010
182111
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302111
312111

Salta weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan23° / 14°33926.2013.44.2
Feb22° / 14°31524.1012.94.0
Mar20° / 13°34126.1012.23.9
Apr18° / 11°216200.111.44.5
May16° / 131150.310.84.5
Jun15° / 619.60.510.54.8
Jul15° / 447.80.810.65.1
Aug17° / 528.10.511.16.1
Sep19° / 8010.90.211.86.2
Oct20° / 10°17317.70.112.65.3
Nov21° / 12°23519013.25.0
Dec22° / 14°31423.5013.54.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35644
45644
55545
65446
75347
85347
95248
105149
115050
125050
134753
144753
154753
164654
174456
184357
194357
204258
214258
224258
234258
244159
254159
264258
274258
284258
294357
304357
314357

Chance of precipitation in October

Any precipitation

Salta gets around 173 mm of rain and snow over 17.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 56% and peaks near 60% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
251
351
452
552
653
753
854
954
1054
1154
1254
1355
1455
1556
1656
1757
1858
1958
2058
2159
2259
2360
2460
2560
2660
2760
2860
2960
3060
3159

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19460
29370
39370
49280
59190
690100
789110
888120
987130
1086140
1186140
1285150
1384160
1483170
1582180
1680191
1779201
1878211
1977221
2076231
2175241
2275241
2373252
2472262
2571272
2670282
2769292
2868302
2967312
3066322
3165332

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 7:04 AM to 6:37 AM, and sunset from 7:18 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.27:047:18
212.37:037:18
312.37:027:18
412.37:017:19
512.37:007:19
612.46:597:20
712.46:587:20
812.46:577:21
912.46:567:21
1012.46:557:22
1112.56:547:22
1212.56:537:22
1312.56:527:23
1412.56:517:23
1512.66:507:24
1612.66:497:24
1712.66:487:25
1812.66:477:26
1912.76:467:26
2012.76:467:27
2112.76:457:27
2212.76:447:28
2312.86:437:28
2412.86:427:29
2512.86:427:29
2612.86:417:30
2712.86:407:31
2812.96:397:31
2912.96:397:32
3012.96:387:32
3112.96:377:33

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.95 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.08 kWh/m² in November across the year — October's 5.95 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
56.0Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Intense
306.0Intense
316.0Intense
Planning a trip in October

Hazard calendar for Salta

In seasonPeak

In October, Salta sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Salta's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Salta?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.3
Sightseeing
3rd-best month of the year
2.9
Beach & pool
4th-best month of the year

October is a reasonable time to visit Salta for sightseeing.

What to pack for Salta in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Salta sees daytime highs around 20°C and nights near 10°C. Pack rain gear. Worth having: sun protection. About 18 days see rain.

rain gearsun protection

UV index in Salta in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Salta peaks around January 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 16UV 16Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr9Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep10Extreme
Oct13Extreme
Nov15Extreme
Dec16Extreme
Location & terrain

Where is Salta?

Salta sits at 24.8°S, 65.4°W, 1,054 m above sea level, in Argentina. The nearest listed city is San Lorenzo, 10 km away.

Topography around Salta

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Salta.

Within 3 km, the terrain around Salta has significant variations in elevation — a maximum elevation change of 252 m around an average of 1,182 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,266 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,198 m.

The land around Salta is covered by artificial surfaces (78%) within 3 km, trees (52%) and cropland (20%) within 16 km, and trees (46%) within 80 km.

3 km
252 m
16 km
1,266 m
80 km
5,198 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
October weather nearby: San Lorenzo 10 km · San José de los Cerrillos 12 km · Rosario de Lerma 26 km · General Güemes 40 km · Palpalá 64 km · San Salvador de Jujuy 69 km · San Pedro de Jujuy 85 km · San José de Metán 89 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Salta (-24.8065°, -65.42°, elevation 1,054 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).