Formosa da Serra Negra weather in July

In July, Formosa da Serra Negra sees average daytime highs of 33°C and overnight lows near 22°C, with 3 mm of rain across 0.4 wet days and about 11.7 hours of daylight. It is the 4th-warmest and 11th-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 62% of the time in July, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of July to 11 h 42 min by month's end. Set against the rest of the year, July is Formosa da Serra Negra's 2nd-clearest and 1st-windiest month. For the whole year in context, see Formosa da Serra Negra's year-round climate.

Daytime high
33°
4th warmest
Overnight low
22°
1st coldest
Rainfall
3 mm
0.4 wet days
Daylight
11 h 42 min
6:21 AM – 6:00 PM
Cloud cover
33%
2nd clearest
Wind
10 km/h
1st windiest
Solar energy
5.6 kWh/m²
Travel score
4.5
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Formosa da Serra Negra reaches about 33°C in the afternoon and slips back to 22°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 34°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83322
93322
103322
113322
123322
133322
143322
153322
163322
173322
183322
193322
203322
213322
223322
233322
243322
253322
263322
273321
283321
293321
303421
313421

How July really feels in Formosa da Serra Negra

Once humidity and wind are folded in, July averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Formosa da Serra Negra weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 11th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38218
48218
58218
68218
78218
88218
98218
108218
118317
128317
138317
148416
158416
168515
178614
188614
198713
208713
218812
228812
238812
249010
259010
269010
279010
28919
29919
30919
31919

Chance of precipitation in July

Any precipitation

Formosa da Serra Negra gets around 3 mm of rain over 0.4 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
91
101
111
121
132
142
152
162
171
181
191
201
211
221
231
241
251
261
271
281
291
301
310

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111457244
211557234
311558224
411657224
511659213
611758213
711858203
811957203
912057193
1012156193
1112255193
1212356182
1312455182
1412554182
1522652182
1622751182
1722852171
1823050171
1933149161
2033348151
2143447141
2243646141
2343745131
2453844121
2554043111
2654143111
2764242100
2864342100
296444190
305444190
315454190

Wind in July

Winds average 10 km/h in July, the windiest month of the year.

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 36 min at the start of July to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over July. Sunrise moves from 6:19 AM to 6:20 AM, and sunset from 5:57 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:195:57
211.66:195:57
311.66:195:57
411.66:205:58
511.66:205:58
611.66:205:58
711.66:205:58
811.66:205:59
911.66:205:59
1011.66:205:59
1111.66:205:59
1211.66:205:59
1311.76:206:00
1411.76:216:00
1511.76:216:00
1611.76:216:00
1711.76:216:00
1811.76:216:01
1911.76:216:01
2011.76:216:01
2111.76:216:01
2211.76:206:01
2311.76:206:01
2411.76:206:01
2511.76:206:02
2611.76:206:02
2711.76:206:02
2811.76:206:02
2911.76:206:02
3011.76:206:02
3111.76:206:02

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.6 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 — July's 5.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
306.0Bright
316.0Bright
Planning a trip in July

Hazard calendar for Formosa da Serra Negra

In seasonPeak

None of Formosa da Serra Negra's seasonal hazards are active in July. 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 July a good time to visit Formosa da Serra Negra?

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

4.5
Sightseeing
2nd-best month of the year
8.0
Beach & pool
1st-best month of the year

July 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 July

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

In July, 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).