Salta climate — normals and trends
Salta (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.6 °C and it receives 2,648 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (17.8 °C on average) and the coldest is July (8.5 °C). Rainfall peaks in January.
Salta averages 10 frost days, 0 hot days (≥ 30 °C) and 232 rainy days per year.
Salta has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 7 to 13 per year over the period.
The hottest day of the period reached 32.2 °C (on 27 October 2019) and the coldest -11.1 °C (on 19 July 2010).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SaltaSalta
- coords
- -24.81°, -65.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.6°C
Average daily high
18.6°C
Average daily low
9.5°C
Annual rainfall
2,648mm
Sunshine / day
10.3h
Mean relative humidity
81%
Average peak wind
8.7km/h
Seasonal range
9.3°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
232 d/yr
Annual snowfall
4.6 cm
Average feels-like high
19.3 °C
Average feels-like low
8.4 °C
Average peak gust
28.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.44 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
32.2 °C
27 October 2019
Coldest day
-11.1 °C
19 July 2010
Wettest day
123 mm
15 January 1940
Windiest day
22.9 km/h
30 October 2022
Strongest gust
65.9 km/h
30 October 2022
Hottest feels-like
36.7 °C
9 December 1966
Coldest feels-like
-15.1 °C
19 July 2010
Snowiest day
7.8 cm
16 July 2010
Sunniest day
13.4 h
3 December 2022
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 23.2 °C | +1.1 °C | 295 mm | -86 mm |
| Feb | 25.5 °C | +4.1 °C | 103 mm | -248 mm |
| Mar | 20.1 °C | 0.0 °C | 311 mm | -63 mm |
| Apr | 17.0 °C | -0.9 °C | 129 mm | -105 mm |
| May | 17.7 °C | +1.7 °C | 78 mm | -63 mm |
| Jun | 13.9 °C | -0.9 °C | 23 mm | -48 mm |
| Jul | 15.3 °C | +0.4 °C | 64 mm | -2 mm |
| Aug | 16.5 °C | 0.0 °C | 43 mm | -32 mm |
| Sep | 19.6 °C | +1.8 °C | 59 mm | -59 mm |
| Oct | 20.4 °C | +0.9 °C | 125 mm | -90 mm |
| Nov | 22.1 °C | +1.4 °C | 108 mm | -176 mm |
| Dec | 22.7 °C | +0.9 °C | 363 mm | +25 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Salta?
Salta has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.6 °C and it receives 2,648 mm of precipitation per year.
What is the hottest day ever recorded in Salta?
The hottest day measured in Salta between 1940 and 2025 was 27 October 2019, reaching 32.2 °C.
What is the coldest day in Salta?
The coldest day measured in Salta between 1940 and 2025 was 19 July 2010, at -11.1 °C.
Does it snow in Salta?
Yes. Salta gets on average 4.6 cm of snow per year and has around 10 frost days.
Has the climate of Salta warmed?
Yes: Salta warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Salta?
The wettest day measured in Salta between 1940 and 2025 was 15 January 1940, with 123 mm of rain in 24 hours.
What was the windiest day in Salta?
The windiest day measured in Salta between 1940 and 2025 was 30 October 2022, with winds reaching 22.9 km/h.
What is the warmest month in Salta?
The warmest month in Salta is January (17.8 °C on average); the coldest is July (8.5 °C).
How much does it rain in Salta?
Salta receives on average 2,648 mm of precipitation per year, spread over about 232 rainy days.
Is it sunny in Salta?
Salta gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
What is the biggest single-day snowfall in Salta?
The heaviest 24-hour snowfall measured in Salta between 1940 and 2025 was 16 July 2010, with 7.8 cm.
Are there tropical nights in Salta?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Salta.
What was the most extreme apparent temperature in Salta?
In Salta, between 1940 and 2025, the highest apparent temperature reached 36.7 °C on 9 December 1966, and the lowest was -15.1 °C on 19 July 2010.
Compare Salta with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Salta