Catamarca climate

Name: Catamarca
Address: AR

Catamarca is warmest in January, with average highs of 30 °C, and coldest in July, when nights average 6.0 °C. January is the wettest month (166 mm) and August the driest (17 mm). Figures are 1991–2020 climate normals.

Across a full year Catamarca averages 886 mm of rain, 178 days above 25 °C and 3 days below freezing.

Argentina · population 159,139 · 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 30 °C
Coldest month July 6.0 °C
Driest month August 17 mm
Wettest month January 166 mm
Least cloud August 28 % cloud
Hottest on record November 42 °C
Coldest on record July -14 °C

What to expectCatamarca through the year

Catamarca has a clear annual cycle: average daily highs run from 18 °C in July to 30 °C in January, a swing of 14 °C in mean temperature across the year.

Counted across a normal year, 178 days a year reach 25 °C, 70 of them reach 30 °C, 3 nights drop below freezing. The warmest reading in the 1991–2020 record is 42 °C, in November.

Rain is strongly seasonal. January averages 166 mm against 17 mm in August — 9.8 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.6 °C	166 mm	55 %
February	28.2 °C	117 mm	54 %
March	26.3 °C	110 mm	54 %
April	22.9 °C	66 mm	51 %
May	19.6 °C	41 mm	50 %
June	17.8 °C	22 mm	41 %
July	17.7 °C	17 mm	31 %
August	21.5 °C	17 mm	28 %
September	24.4 °C	32 mm	32 %
October	26.9 °C	68 mm	41 %
November	28.3 °C	100 mm	46 %
December	29.6 °C	131 mm	49 %

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	29.6 °C	21.0 °C	25.0 °C	38.7 °C	10.4 °C	28	14	0
February	28.2 °C	20.0 °C	23.8 °C	38.7 °C	10.1 °C	22	9	0
March	26.3 °C	18.1 °C	21.9 °C	37.4 °C	7.3 °C	19	5	0
April	22.9 °C	14.2 °C	18.2 °C	33.0 °C	0.8 °C	9	1	0
May	19.6 °C	10.0 °C	14.4 °C	33.6 °C	-2.3 °C	3	0	0
June	17.8 °C	6.7 °C	11.8 °C	32.0 °C	-9.2 °C	2	0	1
July	17.7 °C	6.0 °C	11.4 °C	34.0 °C	-13.9 °C	2	0	1
August	21.5 °C	9.1 °C	14.8 °C	37.1 °C	-3.0 °C	8	2	1
September	24.4 °C	12.6 °C	18.1 °C	40.2 °C	-0.1 °C	14	5	0
October	26.9 °C	16.0 °C	21.1 °C	42.1 °C	3.7 °C	20	8	0
November	28.3 °C	18.5 °C	23.1 °C	42.4 °C	7.4 °C	23	11	0
December	29.6 °C	20.4 °C	24.8 °C	40.1 °C	11.4 °C	27	14	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	166 mm	15	14 h/day	55 %	70 %	12 km/h
February	117 mm	13	13 h/day	54 %	73 %	11 km/h
March	110 mm	12	12 h/day	54 %	77 %	11 km/h
April	66 mm	9	11 h/day	51 %	77 %	11 km/h
May	41 mm	7	11 h/day	50 %	76 %	10 km/h
June	22 mm	4	10 h/day	41 %	68 %	11 km/h
July	17 mm	4	10 h/day	31 %	62 %	11 km/h
August	17 mm	3	11 h/day	28 %	55 %	12 km/h
September	32 mm	5	12 h/day	32 %	54 %	13 km/h
October	68 mm	9	13 h/day	41 %	60 %	14 km/h
November	100 mm	12	14 h/day	46 %	63 %	14 km/h
December	131 mm	15	14 h/day	49 %	66 %	13 km/h

How Catamarca 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
Catamarca	30 °C	6.0 °C	886 mm	178
La Rioja · Argentina	30 °C	6.1 °C	598 mm	158
Santiago del Estero · Argentina	32 °C	9.9 °C	828 mm	230
San Miguel de Tucumán · Argentina	28 °C	7.1 °C	1,986 mm	154
Córdoba · Argentina	29 °C	5.0 °C	888 mm	145
Salta · Argentina	25 °C	6.4 °C	2,225 mm	82

Where Catamarca ranks

Ranking	Position	Value
Places with the best weather in South America in September	2nd of 50	97/100
Places with the best weather in South America in August	7th of 50	95/100
Places with the best weather in the world in September	8th of 50	97/100
Places with the best weather in the world in August	27th of 50	95/100
Places with the best weather in South America in April	30th of 50	89/100
Places with the best weather in South America in October	38th of 50	85/100

Planning a trip? See the best time to visit Catamarca.

QuestionsCommon questions about Catamarca’s climate

When is the best time to visit Catamarca?

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

How hot does Catamarca get?

In January, the warmest month, daily highs average 30 °C. About 70 days a year pass 30 °C. The highest value in the 1991–2020 record is 42 °C.

How cold does it get in winter?

Nights average 6.0 °C in July, the coldest month. A normal year has 3 nights below freezing.

Which month is wettest in Catamarca?

January, averaging 166 mm over 15 days with rain. The driest month is August with 17 mm. The year as a whole averages 886 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 Catamarca 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: -28.470°, -65.785° (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.