Formosa da Serra Negra weather in June

In June, Formosa da Serra Negra sees average daytime highs of 33°C and overnight lows near 22°C, with 6 mm of rain across 0.9 wet days and about 11.6 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 46% of the time in June, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of June to 11 h 36 min by month's end. Set against the rest of the year, June is Formosa da Serra Negra's 4th-clearest and 3rd-windiest month. For the whole year in context, see Formosa da Serra Negra's year-round climate.

Daytime high
33°
5th warmest
Overnight low
22°
2nd coldest
Rainfall
6 mm
0.9 wet days
Daylight
11 h 36 min
6:16 AM – 5:54 PM
Cloud cover
44%
4th clearest
Wind
10 km/h
3rd windiest
Solar energy
5.21 kWh/m²
Travel score
4.7
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical June day in Formosa da Serra Negra reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, June runs about 1°C warmer than May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13222
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123322
133322
143322
153322
163322
173322
183322
193322
203322
213322
223322
233322
243322
253322
263322
273322
283322
293322
303322

How June really feels in Formosa da Serra Negra

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.

Formosa da Serra Negra weather by month

How June compares with the rest of the year at a glance. June is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23426.212.33.0
Feb30° / 22°22224.312.22.9
Mar30° / 22°23626.8122.9
Apr31° / 22°15819.711.93.4
May32° / 22°53911.74.3
Jun33° / 22°60.911.64.7
Jul33° / 22°30.411.74.5
Aug34° / 22°10.311.83.8
Sep35° / 23°121.7123.4
Oct33° / 23°498.112.13.5
Nov32° / 23°11215.512.33.6
Dec31° / 22°1632112.43.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 29% of June, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26733
36832
46931
56931
67129
77228
87228
97228
107228
117327
127426
137426
147426
157525
167525
177624
187723
197723
207723
217822
227921
238020
248020
258119
268119
278218
288218
298218
308218

Chance of precipitation in June

Any precipitation

Formosa da Serra Negra gets around 6 mm of rain over 0.9 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 3% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
211
310
48
57
67
76
85
94
104
113
122
132
142
151
161
171
181
191
201
211
221
231
241
251
261
272
282
292
302

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
100175132
200195229
300215227
400235324
501255321
601275319
701295317
801315315
902335213
1002355211
110237529
120339508
130340497
140442486
150543466
160645455
170646435
180747415
190848404
200949384
210949374
2201050364
2301051354
2401152334
2501153324
2601253314
2701255294
2801355284
2911356264
3011456254

Wind in June

Winds average 10 km/h in June.

Across June, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 42 min at the start of June to 11 h 36 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 6:13 AM to 6:19 AM, and sunset from 5:52 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:135:52
211.76:135:52
311.66:135:52
411.66:135:52
511.66:145:52
611.66:145:52
711.66:145:52
811.66:145:53
911.66:155:53
1011.66:155:53
1111.66:155:53
1211.66:155:53
1311.66:155:53
1411.66:165:53
1511.66:165:54
1611.66:165:54
1711.66:165:54
1811.66:175:54
1911.66:175:54
2011.66:175:55
2111.66:175:55
2211.66:175:55
2311.66:185:55
2411.66:185:55
2511.66:185:56
2611.66:185:56
2711.66:185:56
2811.66:195:56
2911.66:195:57
3011.66:195:57

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.21 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.44 kWh/m² in September across the year — June's 5.21 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in June

Hazard calendar for Formosa da Serra Negra

In seasonPeak

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

Formosa da Serra Negra's monsoon runs November–April, 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 Formosa da Serra Negra?

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

4.7
Sightseeing
1st-best month of the year
7.8
Beach & pool
2nd-best month of the year

June is a reasonable time to visit Formosa da Serra Negra for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Formosa da Serra Negra in June

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

In June, Formosa da Serra Negra sees daytime highs around 33°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Formosa da Serra Negra 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 Formosa da Serra Negra peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec10Extreme

Air quality in Formosa da Serra Negra 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 Formosa da Serra Negra is worst in October — around 24 µg/m³ PM2.5 (moderate), about 5.2× the cleanest month (June, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateOct 1524 µg/m³Jun 215 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr10Good
May7Good
Jun5Good
Jul5Good
Aug12Good
Sep20Moderate
Oct24Moderate
Nov19Moderate
Dec15Moderate
Location & terrain

Where is Formosa da Serra Negra?

Formosa da Serra Negra sits at 6.4°S, 46.2°W, 340 m above sea level, in Brazil. The nearest listed city is Grajaú, 70 km away.

Topography around Formosa da Serra Negra

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Formosa da Serra Negra.

Within 3 km, the terrain around Formosa da Serra Negra has only modest variations in elevation — a maximum elevation change of 110 m around an average of 294 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 447 m; within 80 km, significant variations in elevation — a maximum elevation change of 555 m.

The land around Formosa da Serra Negra is covered by trees (45%) and grassland (45%) within 3 km, trees (50%) and grassland (34%) within 16 km, and trees (43%), grassland (33%) and shrubs (21%) within 80 km.

3 km
110 m
16 km
447 m
80 km
555 m
treesshrubsgrasslandcroplandartificial surfaces
June weather nearby: Grajaú 70 km · Sítio Novo 85 km · São Raimundo das Mangabeiras 101 km · Riachão 112 km · Amarante do Maranhão 115 km · Balsas 122 km · Jenipapo dos Vieiras 134 km · Porto Franco 134 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 Formosa da Serra Negra (-6.4446°, -46.1888°, elevation 340 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. 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).