São Francisco do Sul weather in June

In June, São Francisco do Sul sees average daytime highs of 22°C and overnight lows near 14°C, with 104 mm of rain across 10 wet days and about 10.4 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 30% of the time in June, and the air most often feels humid.

Daylight stretches from about 10 h 30 min at the start of June to 10 h 24 min by month's end. Set against the rest of the year, June is São Francisco do Sul's 3rd-clearest and 12th-windiest month. For the whole year in context, see São Francisco do Sul's year-round climate.

Daytime high
22°
11th warmest
Overnight low
14°
3rd coldest
Rainfall
104 mm
10 wet days
Daylight
10 h 24 min
8:04 AM – 6:26 PM
Cloud cover
61%
3rd clearest
Wind
6 km/h
12th windiest
Solar energy
2.53 kWh/m²
Travel score
6.6
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical June day in São Francisco do Sul reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, June runs about 2°C cooler than May and on par with July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42214
52214
62214
72214
82214
92214
102214
112214
122214
132214
142214
152214
162214
172214
182214
192214
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214

How June really feels in São Francisco do Sul

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

São Francisco do Sul weather by month

How June compares with the rest of the year at a glance. June is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°27924.413.53.6
Feb29° / 22°25521.612.93.6
Mar28° / 21°20222.412.24.3
Apr26° / 19°11614.111.45.8
May24° / 16°10712.210.76.5
Jun22° / 14°1041010.46.6
Jul21° / 13°899.910.56.5
Aug22° / 14°879.311.16.7
Sep23° / 16°14514.611.85.8
Oct24° / 18°14917.312.65.4
Nov26° / 19°16117.713.35.1
Dec28° / 21°19320.713.64.3

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24753
34753
44753
54654
64753
74753
84753
94654
104654
114555
124456
134456
144456
154555
164456
174456
184357
194357
204357
214357
224258
234258
244159
254159
264159
274159
284258
294258
304258

Chance of precipitation in June

Any precipitation

São Francisco do Sul gets around 104 mm of rain over 10 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
335
435
535
634
734
834
934
1034
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2133
2233
2333
2433
2533
2632
2732
2832
2932
3032

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
125283215
225283215
326283214
426283214
526283214
626283214
725293214
825293313
925293413
1024293513
1124293612
1223293612
1323293711
1423293810
152329399
162230399
172230398
182230408
192231407
202231407
212231407
222232407
232232396
242232396
252333386
262333386
272334386
282334376
292334376
302434375

Wind in June

Winds average 6 km/h in June, the calmest month.

Across June, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 10 h 30 min at the start of June to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over June. Sunrise moves from 7:58 AM to 8:07 AM, and sunset from 6:26 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
110.57:586:26
210.57:586:26
310.57:596:26
410.47:596:26
510.48:006:26
610.48:006:26
710.48:006:26
810.48:016:26
910.48:016:26
1010.48:026:26
1110.48:026:26
1210.48:026:26
1310.48:036:26
1410.48:036:26
1510.48:036:26
1610.48:046:26
1710.48:046:26
1810.48:046:26
1910.48:056:26
2010.48:056:26
2110.48:056:26
2210.48:056:27
2310.48:066:27
2410.48:066:27
2510.48:066:27
2610.48:066:28
2710.48:066:28
2810.48:066:28
2910.48:076:28
3010.48:076:29

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 2.53 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 5.23 kWh/m² in December across the year — June's 2.53 kWh/m² sits near the bottom.

0123151015202530
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
Planning a trip in June

Is June a good time to visit São Francisco do Sul?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.6
Sightseeing
2nd-best month of the year
4.6
Beach & pool
10th-best month of the year

June is a reasonable time to visit São Francisco do Sul for sightseeing.

What to pack for São Francisco do Sul in June

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

In June, São Francisco do Sul sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near São Francisco do Sul in June

The nearest coast averages about 20°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in February at about 27°C and coldest in August near 18°C.

It's comfortable for a long swim from Sep 26 to Jun 19 — about 8.8 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar26Warm
Apr25Warm
May22Refreshing
Jun20Refreshing
Jul19Cool
Aug18Cool
Sep20Cool
Oct21Refreshing
Nov23Refreshing
Dec25Warm

UV index in São Francisco do Sul in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Francisco do Sul peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep9Very high
Oct10Very high
Nov12Extreme
Dec13Extreme

Air quality in São Francisco do Sul in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in São Francisco do Sul is worst in August — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (February, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1115 µg/m³Feb 229 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May12Good
Jun14Moderate
Jul15Moderate
Aug15Moderate
Sep14Moderate
Oct12Good
Nov9Good
Dec9Good
Location & terrain

Where is São Francisco do Sul?

São Francisco do Sul sits at 26.2°S, 48.6°W, 16 m above sea level, in Brazil. The nearest listed city is Itapoá, 14 km away.

Topography around São Francisco do Sul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Francisco do Sul.

Within 3 km, the terrain around São Francisco do Sul has only modest variations in elevation — a maximum elevation change of 146 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 580 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,647 m.

The land around São Francisco do Sul is covered by water (53%) and trees (26%) within 3 km, trees (51%) and water (36%) within 16 km, and trees (55%) and water (33%) within 80 km.

3 km
146 m
16 km
580 m
80 km
1,647 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
June weather nearby: Itapoá 14 km · Araquari 16 km · Joinville 22 km · Garuva 32 km · Guaratuba 41 km · Barra Velha 43 km · Guaramirim 44 km · Matinhos 47 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 São Francisco do Sul (-26.2433°, -48.6381°, elevation 16 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).