Santa Fe climate

Name: Santa Fe
Address: AR

Santa Fe is warmest in January, with average highs of 31 °C, and coldest in July, when nights average 8.3 °C. March is the wettest month (137 mm) and July the driest (39 mm). Figures are 1991–2020 climate normals.

Across a full year Santa Fe averages 1,139 mm of rain, 163 days above 25 °C and 0 days below freezing.

Argentina · population 391,164 · 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 31 °C
Coldest month July 8.3 °C
Driest month July 39 mm
Wettest month March 137 mm
Least cloud January 39 % cloud
Hottest on record December 40 °C
Coldest on record August -2.3 °C

What to expectSanta Fe through the year

Santa Fe has a clear annual cycle: average daily highs run from 16 °C in July to 31 °C in January, a swing of 14 °C in mean temperature across the year.

Counted across a normal year, 163 days a year reach 25 °C, 59 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in December.

Rain is strongly seasonal. March averages 137 mm against 39 mm in July — 3.5 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.6 °C	113 mm	39 %
February	29.0 °C	123 mm	42 %
March	27.1 °C	137 mm	41 %
April	23.4 °C	115 mm	46 %
May	19.7 °C	73 mm	55 %
June	17.1 °C	45 mm	53 %
July	16.5 °C	39 mm	47 %
August	19.2 °C	49 mm	41 %
September	21.5 °C	66 mm	43 %
October	24.2 °C	128 mm	48 %
November	27.1 °C	119 mm	41 %
December	29.3 °C	132 mm	41 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.6 °C	21.2 °C	25.7 °C	39.2 °C	13.8 °C	30	18
February	29.0 °C	20.3 °C	24.5 °C	37.3 °C	11.6 °C	25	11
March	27.1 °C	18.7 °C	22.6 °C	35.6 °C	9.0 °C	23	6
April	23.4 °C	15.5 °C	19.1 °C	33.6 °C	5.8 °C	10	1
May	19.7 °C	12.4 °C	15.7 °C	31.2 °C	1.4 °C	3	0
June	17.1 °C	9.6 °C	12.9 °C	28.7 °C	-0.4 °C	0	0
July	16.5 °C	8.3 °C	11.9 °C	29.7 °C	-1.6 °C	1	0
August	19.2 °C	9.6 °C	13.9 °C	35.8 °C	-2.3 °C	4	1
September	21.5 °C	11.5 °C	16.1 °C	36.8 °C	2.2 °C	6	1
October	24.2 °C	14.5 °C	19.1 °C	39.1 °C	5.2 °C	13	2
November	27.1 °C	17.1 °C	21.9 °C	39.4 °C	6.0 °C	21	6
December	29.3 °C	19.6 °C	24.4 °C	39.6 °C	9.0 °C	28	13

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	113 mm	9	14 h/day	39 %	66 %	16 km/h
February	123 mm	9	13 h/day	42 %	70 %	15 km/h
March	137 mm	8	12 h/day	41 %	73 %	15 km/h
April	115 mm	8	11 h/day	46 %	75 %	16 km/h
May	73 mm	6	11 h/day	55 %	78 %	16 km/h
June	45 mm	5	10 h/day	53 %	79 %	16 km/h
July	39 mm	4	10 h/day	47 %	76 %	17 km/h
August	49 mm	5	11 h/day	41 %	71 %	18 km/h
September	66 mm	6	12 h/day	43 %	67 %	18 km/h
October	128 mm	10	13 h/day	48 %	69 %	18 km/h
November	119 mm	8	14 h/day	41 %	65 %	18 km/h
December	132 mm	9	14 h/day	41 %	65 %	17 km/h

Where Santa Fe ranks

Ranking	Position	Value
Places with the best weather in South America in September	10th of 50	94/100
Places with the best weather in South America in April	26th of 50	90/100
Places with the best weather in South America year-round	29th of 50	83/100
Places with the best weather in South America in October	32nd of 50	88/100
The coolest places in South America in July	41st of 50	16 °C
The warmest places in South America in January	42nd of 50	31 °C

Planning a trip? See the best time to visit Santa Fe.

QuestionsCommon questions about Santa Fe’s climate

When is the best time to visit Santa Fe?

That depends on what you want, so the honest answer is a comparison rather than a single month. April, October, November 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 Santa Fe get?

In January, the warmest month, daily highs average 31 °C. About 59 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 8.3 °C in July, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Santa Fe?

March, averaging 137 mm over 8 days with rain. The driest month is July with 39 mm. The year as a whole averages 1,139 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 Santa Fe 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: -31.649°, -60.709° (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.