Joinville climate

Name: Joinville
Address: BR

Joinville is warmest in February, with average highs of 28 °C, and coldest in July, when nights average 13 °C. January is the wettest month (273 mm) and August the driest (89 mm). Figures are 1991–2020 climate normals.

Across a full year Joinville averages 1,897 mm of rain and 168 days above 25 °C.

Brazil · population 664,500 · 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 February 28 °C
Coldest month July 13 °C
Driest month August 89 mm
Wettest month January 273 mm
Least cloud July 62 % cloud
Hottest on record January 39 °C
Coldest on record July 2.3 °C
Warmest sea February 27 °C

What to expectJoinville through the year

Joinville has a clear annual cycle: average daily highs run from 21 °C in July to 28 °C in February, a swing of 8.2 °C in mean temperature across the year.

Counted across a normal year, 168 days a year reach 25 °C, 34 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in January.

Rain is strongly seasonal. January averages 273 mm against 89 mm in August — 3.1 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Joinville is warmest in February at 27 °C and coldest in August at 18 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	28.2 °C	273 mm	77 %
February	28.2 °C	259 mm	75 %
March	27.2 °C	200 mm	71 %
April	25.6 °C	115 mm	64 %
May	22.8 °C	110 mm	62 %
June	21.3 °C	111 mm	63 %
July	20.6 °C	91 mm	62 %
August	21.5 °C	89 mm	64 %
September	22.3 °C	147 mm	76 %
October	23.9 °C	152 mm	82 %
November	25.4 °C	164 mm	77 %
December	27.5 °C	186 mm	76 %

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	21.8 °C	24.6 °C	38.9 °C	16.1 °C	26	8
February	28.2 °C	21.9 °C	24.6 °C	36.3 °C	14.6 °C	25	7
March	27.2 °C	21.0 °C	23.7 °C	35.9 °C	12.3 °C	24	5
April	25.6 °C	18.9 °C	21.9 °C	34.2 °C	8.7 °C	18	1
May	22.8 °C	15.9 °C	19.0 °C	32.4 °C	5.9 °C	7	0
June	21.3 °C	14.1 °C	17.2 °C	30.2 °C	3.6 °C	4	0
July	20.6 °C	13.2 °C	16.4 °C	29.4 °C	2.3 °C	4	0
August	21.5 °C	13.9 °C	17.2 °C	34.6 °C	3.7 °C	5	1
September	22.3 °C	15.7 °C	18.5 °C	36.0 °C	6.1 °C	6	1
October	23.9 °C	17.5 °C	20.3 °C	35.5 °C	10.2 °C	11	1
November	25.4 °C	18.9 °C	21.7 °C	35.0 °C	11.8 °C	16	2
December	27.5 °C	20.7 °C	23.7 °C	37.3 °C	13.5 °C	23	7

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	273 mm	24	14 h/day	77 %	84 %	12 km/h	26.5 °C
February	259 mm	22	13 h/day	75 %	85 %	12 km/h	26.7 °C
March	200 mm	22	12 h/day	71 %	85 %	11 km/h	26.1 °C
April	115 mm	14	11 h/day	64 %	84 %	11 km/h	24.7 °C
May	110 mm	12	11 h/day	62 %	84 %	10 km/h	22.3 °C
June	111 mm	10	11 h/day	63 %	85 %	9.9 km/h	20.2 °C
July	91 mm	10	11 h/day	62 %	85 %	10 km/h	18.6 °C
August	89 mm	9	11 h/day	64 %	84 %	11 km/h	18.4 °C
September	147 mm	14	12 h/day	76 %	84 %	13 km/h	19.5 °C
October	152 mm	17	13 h/day	82 %	84 %	13 km/h	21.0 °C
November	164 mm	18	13 h/day	77 %	82 %	14 km/h	23.0 °C
December	186 mm	20	14 h/day	76 %	82 %	13 km/h	25.0 °C

How Joinville 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
Joinville	28 °C	13 °C	1,897 mm	168
Jaraguá do Sul · Brazil	28 °C	13 °C	1,767 mm	172
Itajaí · Brazil	27 °C	14 °C	1,664 mm	131
Blumenau · Brazil	28 °C	13 °C	1,744 mm	169
Paranaguá · Brazil	28 °C	15 °C	2,038 mm	149
São José dos Pinhais · Brazil	25 °C	9.9 °C	1,543 mm	84
Araucária · Brazil	25 °C	9.9 °C	1,563 mm	94

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

QuestionsCommon questions about Joinville’s climate

When is the best time to visit Joinville?

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

How hot does Joinville get?

In February, the warmest month, daily highs average 28 °C. About 34 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °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 Joinville?

January, averaging 273 mm over 24 days with rain. The driest month is August with 89 mm. The year as a whole averages 1,897 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 Joinville 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: -26.304°, -48.846° (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.