Rosário weather in June

In June, Rosário sees average daytime highs of 31°C and overnight lows near 24°C, with 96 mm of rain across 15.7 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 34% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of June to 11 h 48 min by month's end. Set against the rest of the year, June is Rosário's 5th-clearest and 9th-windiest month. For the whole year in context, see Rosário's year-round climate.

Daytime high
31°
9th warmest
Overnight low
24°
2nd coldest
Rainfall
96 mm
15.7 wet days
Daylight
11 h 48 min
6:02 AM – 5:52 PM
Cloud cover
53%
5th clearest
Wind
7 km/h
9th windiest
Solar energy
4.98 kWh/m²
Travel score
3.9
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical June day in Rosário reaches about 31°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°C. Set against its neighbours, June runs on par with May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243123
253123
263123
273123
283123
293123
303123

How June really feels in Rosário

Once humidity and wind are folded in, June averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Rosário weather by month

How June compares with the rest of the year at a glance. June is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°26225.412.22.6
Feb31° / 24°33025.612.12.5
Mar31° / 24°43730122.4
Apr31° / 24°42628.411.92.5
May31° / 24°25524.111.93.0
Jun31° / 24°9615.711.83.9
Jul31° / 23°579.711.84.5
Aug33° / 24°164.311.94.2
Sep34° / 25°102.6123.6
Oct34° / 25°214.812.13.4
Nov34° / 25°437.112.13.3
Dec33° / 25°9815.412.23.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 30% of June, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24951
35050
45149
55248
65446
75545
85644
95743
105941
116139
126238
136337
146436
156535
166634
176634
186733
196832
206931
217030
227030
237228
247228
257228
267228
277327
287327
297228
307228

Chance of precipitation in June

Any precipitation

Rosário gets around 96 mm of rain over 15.7 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 53% and peaks near 64% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
164
263
362
461
560
659
758
858
957
1056
1155
1254
1353
1452
1552
1651
1750
1849
1949
2048
2148
2248
2347
2447
2547
2647
2747
2846
2946
3046

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
105347
205545
305644
405743
505842
605941
706040
806139
906139
1006238
1106337
1206436
1306535
1406634
1506733
1606832
1716930
1817029
1917128
2017227
2117326
2217524
2317623
2417722
2517821
2617821
2717920
2818019
2918118
3018217

Wind in June

Winds average 7 km/h in June.

Across June, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 48 min at the start of June to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over June. Sunrise moves from 5:59 AM to 6:05 AM, and sunset from 5:50 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:595:50
211.85:595:50
311.86:005:50
411.86:005:50
511.86:005:50
611.86:005:50
711.86:005:51
811.86:015:51
911.86:015:51
1011.86:015:51
1111.86:015:51
1211.86:015:51
1311.86:025:52
1411.86:025:52
1511.86:025:52
1611.86:025:52
1711.86:035:52
1811.86:035:53
1911.86:035:53
2011.86:035:53
2111.86:035:53
2211.86:045:53
2311.86:045:54
2411.86:045:54
2511.86:045:54
2611.86:045:54
2711.86:055:54
2811.86:055:55
2911.86:055:55
3011.86:055:55

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.98 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.27 kWh/m² in October across the year — June's 4.98 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in June

Hazard calendar for Rosário

In seasonPeak

None of Rosário's seasonal hazards are active in June. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Rosário's monsoon runs January–May, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Rosário?

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

3.9
Sightseeing
3rd-best month of the year
5.8
Beach & pool
6th-best month of the year

June is a weaker month for outdoor sightseeing in Rosário.

What to pack for Rosário in June

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

In June, Rosário sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Rosário in June

The nearest coast averages about 29°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 38 km away) is warmest in May at about 29°C and coldest in October near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Warm
Oct28Warm
Nov28Warm
Dec28Warm

UV index in Rosário in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rosário peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Rosário 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 Rosário is worst in February — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2017 µg/m³Jun 149 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar17Moderate
Apr14Moderate
May10Good
Jun9Good
Jul11Good
Aug10Good
Sep10Good
Oct12Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Rosário?

Rosário sits at 2.9°S, 44.2°W, 1 m above sea level, in Brazil. The nearest listed city is Bacabeira, 8.0 km away.

Topography around Rosário

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

Within 3 km, the terrain around Rosário has only modest variations in elevation — a maximum elevation change of 43 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 97 m; within 80 km, only modest variations in elevation — a maximum elevation change of 124 m.

The land around Rosário is covered by trees (57%) and grassland (25%) within 3 km, trees (58%) within 16 km, and trees (44%) within 80 km.

3 km
43 m
16 km
97 m
80 km
124 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
June weather nearby: Bacabeira 8.0 km · Santa Rita 24 km · Morros 25 km · Icatu 27 km · São Luís 46 km · São José de Ribamar 48 km · Paço do Lumiar 48 km · Itapecuru Mirim 52 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 Rosário (-2.9405°, -44.249°, elevation 1 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).