Santa Maria das Barreiras weather in July

In July, Santa Maria das Barreiras sees average daytime highs of 34°C and overnight lows near 22°C, with 1 mm of rain across 0.4 wet days and about 11.5 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 71% of the time in July, and the air most often feels humid.

Daylight stretches from about 11 h 30 min at the start of July to 11 h 36 min by month's end. Set against the rest of the year, July is Santa Maria das Barreiras's 1st-clearest and 1st-windiest month. For the whole year in context, see Santa Maria das Barreiras's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
22°
1st coldest
Rainfall
1 mm
0.4 wet days
Daylight
11 h 30 min
6:39 AM – 6:10 PM
Cloud cover
29%
1st clearest
Wind
8 km/h
1st windiest
Solar energy
5.28 kWh/m²
Travel score
4.0
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical July day in Santa Maria das Barreiras reaches about 34°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 33°C and 35°C. Set against its neighbours, July runs about 1°C warmer than June and about 1°C cooler than August.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13322
23322
33322
43422
53422
63422
73422
83422
93422
103422
113422
123422
133422
143422
153422
163422
173422
183422
193422
203422
213422
223422
233422
243422
253422
263422
273422
283422
293422
303422
313522

How July really feels in Santa Maria das Barreiras

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.

Santa Maria das Barreiras weather by month

How July compares with the rest of the year at a glance. July is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°31128.412.52.7
Feb30° / 23°28425.812.32.7
Mar30° / 23°28528.312.12.7
Apr31° / 23°19421.911.83.1
May32° / 23°7411.411.63.9
Jun33° / 22°51.111.54.4
Jul34° / 22°10.411.54.0
Aug35° / 23°4111.73.2
Sep35° / 24°375.611.93.0
Oct33° / 24°12916.712.23.1
Nov31° / 23°21622.812.42.9
Dec31° / 23°25426.112.52.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of July, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38614
48614
58614
68614
78614
88614
98614
108515
118614
128614
138614
148614
158713
168812
178812
188812
198812
208911
218911
229010
239010
249010
25919
26919
279010
289010
299010
309010
318911

Chance of precipitation in July

Any precipitation

Santa Maria das Barreiras gets around 1 mm of rain over 0.4 wet days in July, the driest month. 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
92
102
112
122
132
142
152
162
171
181
191
201
211
221
231
240
250
260
270
280
290
300
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 49% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
101351315
201450315
301452304
401453294
501453294
601553284
701553284
801553284
901554274
1001654273
1101654273
1201753273
1301753273
1401853263
1501952263
1602051263
1702150263
1802349253
1902448243
2002648232
2112847232
2213046212
2313146202
2413345192
2513445182
2613645172
2713745162
2813845152
2913945142
3013945131
3113945131

Wind in July

Winds average 8 km/h in July, the windiest month of the year.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 30 min at the start of July to 11 h 36 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 6:38 AM to 6:37 AM, and sunset from 6:07 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:386:07
211.56:386:07
311.56:386:07
411.56:386:08
511.56:386:08
611.56:386:08
711.56:386:08
811.56:386:09
911.56:386:09
1011.56:386:09
1111.56:396:09
1211.56:396:09
1311.56:396:10
1411.56:396:10
1511.56:396:10
1611.56:396:10
1711.56:396:11
1811.56:396:11
1911.56:396:11
2011.56:386:11
2111.56:386:11
2211.66:386:12
2311.66:386:12
2411.66:386:12
2511.66:386:12
2611.66:386:12
2711.66:386:12
2811.66:376:13
2911.66:376:13
3011.66:376:13
3111.66:376:13

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 5.98 kWh/m² in September across the year — July's 5.28 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.6Bright
Planning a trip in July

Hazard calendar for Santa Maria das Barreiras

In seasonPeak

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

Santa Maria das Barreiras'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 Santa Maria das Barreiras?

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

4.0
Sightseeing
2nd-best month of the year
7.8
Beach & pool
1st-best month of the year

July is a reasonable time to visit Santa Maria das Barreiras for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Maria das Barreiras in July

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

In July, Santa Maria das Barreiras sees daytime highs around 34°C and nights near 22°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Santa Maria das Barreiras in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Maria das Barreiras peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeExtremeFeb 21UV 15Jun 21UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep12Extreme
Oct10Very high
Nov12Extreme
Dec11Extreme

Air quality in Santa Maria das Barreiras 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 Santa Maria das Barreiras is worst in September — around 81 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (February, 11 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateUnhealthyModerateSep 1675 µg/m³Feb 1411 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Moderate
Apr12Good
May13Moderate
Jun14Moderate
Jul14Moderate
Aug34Moderate
Sep81Unhealthy
Oct32Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Santa Maria das Barreiras?

Santa Maria das Barreiras sits at 8.9°S, 49.7°W, 165 m above sea level, in Brazil. The nearest listed city is Conceição do Araguaia, 83 km away.

Topography around Santa Maria das Barreiras

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Maria das Barreiras.

Within 3 km, the terrain around Santa Maria das Barreiras has only modest variations in elevation — a maximum elevation change of 21 m around an average of 158 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 293 m; within 80 km, significant variations in elevation — a maximum elevation change of 368 m.

The land around Santa Maria das Barreiras is covered by trees (34%), water (31%) and grassland (24%) within 3 km, trees (53%) and grassland (33%) within 16 km, and grassland (52%) and trees (40%) within 80 km.

3 km
21 m
16 km
293 m
80 km
368 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Conceição do Araguaia 83 km · Santana do Araguaia 87 km · Redenção 100 km · Guaraí 132 km · Floresta do Araguaia 147 km · Colinas do Tocantins 163 km · Miracema do Tocantins 164 km · Paraíso do Tocantins 172 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 Santa Maria das Barreiras (-8.8717°, -49.7128°, elevation 165 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).