Jaraguá do Sul climate

Name: Jaraguá do Sul
Address: BR

Jaraguá do Sul is warmest in January, with average highs of 28 °C, and coldest in July, when nights average 13 °C. January is the wettest month (237 mm) and July the driest (92 mm). Figures are 1991–2020 climate normals.

Across a full year Jaraguá do Sul averages 1,767 mm of rain and 172 days above 25 °C.

Brazil · population 199,519 · 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 28 °C
Coldest month July 13 °C
Driest month July 92 mm
Wettest month January 237 mm
Least cloud July 62 % cloud
Hottest on record October 41 °C
Coldest on record July 1.3 °C

What to expectJaraguá do Sul through the year

Jaraguá do Sul has a clear annual cycle: average daily highs run from 21 °C in July to 28 °C in January, a swing of 8.1 °C in mean temperature across the year.

Counted across a normal year, 172 days a year reach 25 °C, 41 of them reach 30 °C. The warmest reading in the 1991–2020 record is 41 °C, in October.

Rain is strongly seasonal. January averages 237 mm against 92 mm in July — 2.6 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.2 °C	237 mm	77 %
February	28.2 °C	232 mm	76 %
March	27.2 °C	166 mm	71 %
April	25.6 °C	101 mm	65 %
May	22.7 °C	105 mm	62 %
June	21.3 °C	113 mm	63 %
July	20.8 °C	92 mm	62 %
August	21.8 °C	93 mm	64 %
September	22.5 °C	152 mm	76 %
October	24.1 °C	150 mm	82 %
November	25.4 °C	156 mm	77 %
December	27.6 °C	168 mm	77 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	28.2 °C	21.4 °C	24.3 °C	37.5 °C	15.3 °C	26	9
February	28.2 °C	21.5 °C	24.3 °C	35.9 °C	13.6 °C	24	8
March	27.2 °C	20.6 °C	23.4 °C	36.0 °C	11.8 °C	23	5
April	25.6 °C	18.6 °C	21.6 °C	33.8 °C	8.8 °C	17	2
May	22.7 °C	15.6 °C	18.7 °C	32.1 °C	5.6 °C	7	0
June	21.3 °C	13.7 °C	16.9 °C	30.8 °C	3.2 °C	5	0
July	20.8 °C	12.9 °C	16.3 °C	30.1 °C	1.3 °C	5	0
August	21.8 °C	13.6 °C	17.0 °C	34.9 °C	2.9 °C	6	1
September	22.5 °C	15.2 °C	18.2 °C	35.6 °C	5.2 °C	8	1
October	24.1 °C	17.1 °C	20.0 °C	40.5 °C	9.3 °C	12	2
November	25.4 °C	18.4 °C	21.4 °C	35.2 °C	11.3 °C	16	3
December	27.6 °C	20.3 °C	23.4 °C	37.3 °C	12.7 °C	23	8

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	237 mm	24	14 h/day	77 %	85 %	11 km/h
February	232 mm	22	13 h/day	76 %	86 %	11 km/h
March	166 mm	21	12 h/day	71 %	86 %	10 km/h
April	101 mm	13	11 h/day	65 %	85 %	9.8 km/h
May	105 mm	11	11 h/day	62 %	84 %	9.3 km/h
June	113 mm	9	10 h/day	63 %	85 %	8.8 km/h
July	92 mm	9	11 h/day	62 %	85 %	9.2 km/h
August	93 mm	9	11 h/day	64 %	84 %	10 km/h
September	152 mm	14	12 h/day	76 %	85 %	12 km/h
October	150 mm	16	13 h/day	82 %	85 %	12 km/h
November	156 mm	17	13 h/day	77 %	84 %	13 km/h
December	168 mm	20	14 h/day	77 %	83 %	12 km/h

How Jaraguá do Sul 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
Jaraguá do Sul	28 °C	13 °C	1,767 mm	172
Joinville · Brazil	28 °C	13 °C	1,897 mm	168
Blumenau · Brazil	28 °C	13 °C	1,744 mm	169
Itajaí · Brazil	27 °C	14 °C	1,664 mm	131
Araucária · Brazil	25 °C	9.9 °C	1,563 mm	94
São José dos Pinhais · Brazil	25 °C	9.9 °C	1,543 mm	84

Planning a trip? See the best time to visit Jaraguá do Sul.

QuestionsCommon questions about Jaraguá do Sul’s climate

When is the best time to visit Jaraguá do Sul?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, 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 Jaraguá do Sul get?

In January, the warmest month, daily highs average 28 °C. About 41 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.

How cold does it get in winter?

Nights average 13 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Jaraguá do Sul?

January, averaging 237 mm over 24 days with rain. The driest month is July with 92 mm. The year as a whole averages 1,767 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 Jaraguá do Sul 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
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.