Araranguá in Summer

In summer (December, January and February), Araranguá sees average daytime highs around 26°C and overnight lows near 21°C, with 484 mm of rain over about 56 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 27% of the time across summer, and the air most often feels oppressive.

Summer is Araranguá's weakest season of the year to visit on our travel score. For the whole year in context, see Araranguá's year-round climate.

Avg daytime high
26°C
warmest season of the year
Avg overnight low
21°C
Rainfall
484 mm
56 wet days
Avg wind
12 km/h
Travel score
5.4
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Araranguá in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 26°C.

A typical summer day in Araranguá reaches about 26°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.

15°20°25°30°DecJanFeb

Araranguá weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 22°18920.313.65.2
Feb26° / 22°15619.5135.0
Mar26° / 21°13618.112.25.6
Apr24° / 19°10012.411.36.6
May21° / 16°13011.110.66.4
Jun19° / 14°9910.210.26.2
Jul18° / 13°11010.110.36.1
Aug19° / 14°10410116.3
Sep20° / 15°13212.511.85.9
Oct22° / 17°15215.912.75.6
Nov23° / 18°13514.913.46.1
Dec25° / 20°13916.413.85.9

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Araranguá gets around 484 mm of rain over 56 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 12 km/h across summer.

05101520DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 42 min in early December to 12 h 42 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 6.1 kWh/m².

0246DecJanFeb
Planning a trip in summer

Is summer a good time to visit Araranguá?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.4
Sightseeing
4th-best month of the year
5.0
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Araranguá for sightseeing.

What to pack for Araranguá in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Araranguá sees daytime highs around 26°C and nights near 21°C. Pack rain gear and sun protection. Worth having: light clothes. About 56 days see rain.

rain gearsun protectionlight clothes

Sea temperature near Araranguá in Summer

The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 24 km away) is warmest in February at about 25°C and coldest in August near 17°C.

It's comfortable for a long swim from Nov 1 to May 27 — about 6.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr23Refreshing
May21Refreshing
Jun19Cool
Jul17Cool
Aug17Cool
Sep18Cool
Oct19Cool
Nov21Refreshing
Dec23Refreshing

UV index in Araranguá in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Araranguá peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Araranguá?

Araranguá sits at 28.9°S, 49.5°W, 5 m above sea level, in Brazil. The nearest listed city is Balneário Arroio do Silva, 9.0 km away.

Topography around Araranguá

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Araranguá.

Within 3 km, the terrain around Araranguá has only modest variations in elevation — a maximum elevation change of 76 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 268 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,665 m.

The land around Araranguá is covered by artificial surfaces (35%), cropland (29%) and grassland (23%) within 3 km, cropland (41%) and grassland (20%) within 16 km, and trees (36%), water (28%) and grassland (23%) within 80 km.

3 km
76 m
16 km
268 m
80 km
1,665 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Summer weather nearby: Balneário Arroio do Silva 9.0 km · Forquilhinha 21 km · Sombrio 23 km · Balneário Gaivota 26 km · Balneário Rincão 28 km · Içara 31 km · Criciúma 31 km · Cocal do Sul 41 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Araranguá (-28.9357°, -49.4954°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.