San Salvador de Jujuy climate

Name: San Salvador de Jujuy
Address: AR

San Salvador de Jujuy is warmest in January, with average highs of 23 °C, and coldest in July, when nights average 6.6 °C. March is the wettest month (313 mm) and July the driest (60 mm). Figures are 1991–2020 climate normals.

Across a full year San Salvador de Jujuy averages 2,480 mm of rain, 36 days above 25 °C and 2 days below freezing.

Argentina · population 257,970 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month January 23 °C
Coldest month July 6.6 °C
Driest month July 60 mm
Wettest month March 313 mm
Least cloud August 36 % cloud
Hottest on record September 35 °C
Coldest on record June -8.2 °C

What to expectSan Salvador de Jujuy through the year

San Salvador de Jujuy has a clear annual cycle: average daily highs run from 15 °C in July to 23 °C in January, a swing of 8.8 °C in mean temperature across the year.

Counted across a normal year, 36 days a year reach 25 °C, 2 of them reach 30 °C, 2 nights drop below freezing. The warmest reading in the 1991–2020 record is 35 °C, in September.

Rain is strongly seasonal. March averages 313 mm against 60 mm in July — 5.2 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	23.0 °C	311 mm	77 %
February	22.1 °C	296 mm	77 %
March	20.8 °C	313 mm	77 %
April	18.6 °C	251 mm	72 %
May	16.1 °C	168 mm	65 %
June	15.4 °C	81 mm	53 %
July	15.2 °C	60 mm	43 %
August	17.6 °C	64 mm	36 %
September	19.4 °C	118 mm	45 %
October	21.2 °C	237 mm	60 %
November	21.9 °C	276 mm	64 %
December	22.8 °C	305 mm	71 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	23.0 °C	16.1 °C	19.3 °C	31.5 °C	10.9 °C	6	0	0
February	22.1 °C	15.5 °C	18.5 °C	30.8 °C	6.8 °C	4	0	0
March	20.8 °C	14.7 °C	17.5 °C	30.2 °C	8.2 °C	1	0	0
April	18.6 °C	12.3 °C	15.2 °C	26.7 °C	3.0 °C	0	0	0
May	16.1 °C	9.7 °C	12.6 °C	24.7 °C	0.0 °C	0	0	0
June	15.4 °C	7.7 °C	11.2 °C	28.2 °C	-8.2 °C	0	0	1
July	15.2 °C	6.6 °C	10.5 °C	26.1 °C	-5.9 °C	0	0	1
August	17.6 °C	7.7 °C	12.2 °C	29.6 °C	-3.5 °C	2	0	0
September	19.4 °C	9.4 °C	14.0 °C	34.9 °C	-1.2 °C	4	0	0
October	21.2 °C	12.0 °C	16.3 °C	34.4 °C	2.1 °C	6	1	0
November	21.9 °C	13.5 °C	17.5 °C	32.6 °C	5.3 °C	6	0	0
December	22.8 °C	15.2 °C	18.8 °C	31.4 °C	7.4 °C	7	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	311 mm	25	13 h/day	77 %	85 %	7.6 km/h
February	296 mm	24	13 h/day	77 %	87 %	7.5 km/h
March	313 mm	25	12 h/day	77 %	89 %	7.4 km/h
April	251 mm	22	12 h/day	72 %	89 %	7.3 km/h
May	168 mm	19	11 h/day	65 %	86 %	7.1 km/h
June	81 mm	13	11 h/day	53 %	79 %	7.1 km/h
July	60 mm	10	11 h/day	43 %	76 %	7.2 km/h
August	64 mm	10	11 h/day	36 %	73 %	7.8 km/h
September	118 mm	15	12 h/day	45 %	73 %	8.4 km/h
October	237 mm	22	13 h/day	60 %	79 %	8.8 km/h
November	276 mm	22	13 h/day	64 %	81 %	8.3 km/h
December	305 mm	24	14 h/day	71 %	84 %	7.8 km/h

How San Salvador de Jujuy compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
San Salvador de Jujuy	23 °C	6.6 °C	2,480 mm	36
Salta · Argentina	25 °C	6.4 °C	2,225 mm	82
San Miguel de Tucumán · Argentina	28 °C	7.1 °C	1,986 mm	154
Tarija · Bolivia	23 °C	4.6 °C	1,182 mm	78
Santiago del Estero · Argentina	32 °C	9.9 °C	828 mm	230
Calama · Chile	25 °C	1.6 °C	38 mm	94
Antofagasta · Chile	25 °C	13 °C	16 mm	26

Where San Salvador de Jujuy ranks

Ranking	Position	Value
The coolest places in South America in May	15th of 50	16 °C
The coolest places in South America in April	22nd of 50	19 °C
The coolest places in South America year-round	25th of 50	20 °C
The coolest places in South America in June	26th of 50	15 °C
The coolest places in South America in July	27th of 50	15 °C
The coolest places in South America in March	27th of 50	21 °C

Planning a trip? See the best time to visit San Salvador de Jujuy.

QuestionsCommon questions about San Salvador de Jujuy’s climate

When is the best time to visit San Salvador de Jujuy?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, January is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does San Salvador de Jujuy get?

In January, the warmest month, daily highs average 23 °C. About 2 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average 6.6 °C in July, the coldest month. A normal year has 2 nights below freezing.

Which month is wettest in San Salvador de Jujuy?

March, averaging 313 mm over 25 days with rain. The driest month is July with 60 mm. The year as a whole averages 2,480 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in San Salvador de Jujuy rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -24.193°, -65.293° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.