San Pedro de Jujuy climate — normals and trends
San Pedro de Jujuy (Argentina) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 19.1 °C and it receives 1,204 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 (23.5 °C on average) and the coldest is July (13.0 °C). Rainfall peaks in January.
San Pedro de Jujuy averages 2 frost days, 66 hot days (≥ 30 °C) and 150 rainy days per year.
San Pedro de Jujuy has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 1 to 3 per year over the period.
The hottest day of the period reached 44.1 °C (on 27 October 2019) and the coldest -5.0 °C (on 10 July 1969).
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
San Pedro de JujuyJujuy
- coords
- -24.23°, -64.87°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.1°C
Average daily high
24.9°C
Average daily low
14.4°C
Annual rainfall
1,204mm
Sunshine / day
8.5h
Mean relative humidity
73%
Average peak wind
9.2km/h
Seasonal range
10.5°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
66 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.2 °C
Average feels-like low
14.8 °C
Average peak gust
25.8 km/h
Tropical nights (≥ 20 °C)
46 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.67 · 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
44.1 °C
27 October 2019
Coldest day
-5.0 °C
10 July 1969
Wettest day
132 mm
10 January 1957
Windiest day
30.0 km/h
30 October 2022
Strongest gust
68.4 km/h
30 October 2022
Hottest feels-like
46.2 °C
3 November 2004
Coldest feels-like
-8.4 °C
15 June 1961
Snowiest day
0.9 cm
16 July 2010
Sunniest day
13.5 h
14 December 2010
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 | 31.3 °C | +2.8 °C | 168 mm | -59 mm |
| Feb | 33.0 °C | +5.5 °C | 180 mm | -26 mm |
| Mar | 26.5 °C | +0.6 °C | 131 mm | -43 mm |
| Apr | 23.1 °C | -0.2 °C | 36 mm | -54 mm |
| May | 23.5 °C | +2.6 °C | 13 mm | -24 mm |
| Jun | 19.3 °C | 0.0 °C | 15 mm | -1 mm |
| Jul | 20.7 °C | +0.7 °C | 17 mm | +3 mm |
| Aug | 24.9 °C | +1.7 °C | 11 mm | -6 mm |
| Sep | 29.1 °C | +3.4 °C | 5 mm | -25 mm |
| Oct | 29.6 °C | +2.0 °C | 42 mm | -35 mm |
| Nov | 32.4 °C | +4.0 °C | 26 mm | -100 mm |
| Dec | 31.4 °C | +2.6 °C | 200 mm | +10 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 San Pedro de Jujuy?
San Pedro de Jujuy has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 19.1 °C and it receives 1,204 mm of precipitation per year.
What is the hottest day ever recorded in San Pedro de Jujuy?
The hottest day measured in San Pedro de Jujuy between 1940 and 2025 was 27 October 2019, reaching 44.1 °C.
What is the coldest day in San Pedro de Jujuy?
The coldest day measured in San Pedro de Jujuy between 1940 and 2025 was 10 July 1969, at -5.0 °C.
Does it snow in San Pedro de Jujuy?
Almost never: San Pedro de Jujuy sees virtually no snow, with about 2 frost days per year.
Has the climate of San Pedro de Jujuy warmed?
Yes: San Pedro de Jujuy warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in San Pedro de Jujuy?
The wettest day measured in San Pedro de Jujuy between 1940 and 2025 was 10 January 1957, with 132 mm of rain in 24 hours.
What was the windiest day in San Pedro de Jujuy?
The windiest day measured in San Pedro de Jujuy between 1940 and 2025 was 30 October 2022, with winds reaching 30.0 km/h.
What is the warmest month in San Pedro de Jujuy?
The warmest month in San Pedro de Jujuy is January (23.5 °C on average); the coldest is July (13.0 °C).
How much does it rain in San Pedro de Jujuy?
San Pedro de Jujuy receives on average 1,204 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in San Pedro de Jujuy?
San Pedro de Jujuy gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in San Pedro de Jujuy?
The heaviest 24-hour snowfall measured in San Pedro de Jujuy between 1940 and 2025 was 16 July 2010, with 0.9 cm.
Are there tropical nights in San Pedro de Jujuy?
Yes: San Pedro de Jujuy has on average 46 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in San Pedro de Jujuy?
In San Pedro de Jujuy, between 1940 and 2025, the highest apparent temperature reached 46.2 °C on 3 November 2004, and the lowest was -8.4 °C on 15 June 1961.
Compare San Pedro de Jujuy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around San Pedro de Jujuy