Juína weather in August

In August, Juína sees average daytime highs of 33°C and overnight lows near 20°C, with 12 mm of rain across 2.3 wet days and about 11.6 hours of daylight. It is the 1st-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 70% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Juína's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Juína's year-round climate.

Daytime high
33°
1st warmest
Overnight low
20°
3rd coldest
Rainfall
12 mm
2.3 wet days
Daylight
11 h 36 min
7:11 AM – 6:48 PM
Cloud cover
30%
2nd clearest
Wind
8 km/h
2nd windiest
Solar energy
5.51 kWh/m²
Travel score
4.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Juína reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, August runs about 2°C warmer than July and on par with September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13219
23220
33220
43320
53320
63320
73320
83320
93320
103320
113320
123320
133320
143320
153320
163320
173320
183321
193321
203321
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321
313321

How August really feels in Juína

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Juína weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°30228.912.62.9
Feb29° / 22°28626.912.42.9
Mar29° / 22°26228.712.12.9
Apr30° / 22°1432211.83.6
May30° / 21°5410.511.55.0
Jun30° / 20°112.311.35.9
Jul31° / 19°4111.45.6
Aug33° / 20°122.311.64.4
Sep33° / 22°6711.111.93.5
Oct32° / 22°16421.812.33.0
Nov30° / 22°24926.212.52.9
Dec29° / 22°29128.412.72.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28911
38911
48911
58911
68812
78713
88713
98713
108614
118614
128416
138416
148416
158317
168317
178317
188317
198317
208317
218218
228218
238218
248218
258119
268119
278020
288020
298020
308020
317921

Chance of precipitation in August

Any precipitation

Juína gets around 12 mm of rain over 2.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
74
84
94
105
115
126
136
147
157
167
178
188
198
209
219
2210
2311
2411
2512
2613
2714
2814
2915
3016
3117

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 32% 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 (%)
1124530122
2124529122
3124529122
4124429123
5124429123
6124329123
7134229133
8134129134
9134029144
10133928154
11133828164
12133828174
13133728174
14133629185
15133529195
16133429205
17123330205
18123131215
19113031225
20112832236
21102732256
2292533267
2392433277
2482233288
2572133299
26720333010
27619333110
28618333211
29617323312
30516313414
31515303515

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
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
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 30 min at the start of August to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over August. Sunrise moves from 7:16 AM to 7:02 AM, and sunset from 6:46 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:166:46
211.57:166:46
311.57:166:46
411.57:156:46
511.57:156:46
611.57:156:47
711.57:146:47
811.57:146:47
911.67:146:47
1011.67:136:47
1111.67:136:47
1211.67:126:47
1311.67:126:47
1411.67:116:48
1511.67:116:48
1611.67:116:48
1711.67:106:48
1811.67:106:48
1911.67:096:48
2011.77:096:48
2111.77:086:48
2211.77:076:48
2311.77:076:48
2411.77:066:48
2511.77:066:48
2611.77:056:48
2711.77:056:48
2811.77:046:48
2911.77:036:48
3011.87:036:48
3111.87:026:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.51 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 5.67 kWh/m² in September across the year — August's 5.51 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in August

Hazard calendar for Juína

In seasonPeak

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

Juína's monsoon runs October–April, when most of the year's rain falls.

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

Is August a good time to visit Juína?

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

4.4
Sightseeing
4th-best month of the year
7.7
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Juína for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Juína in August

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

In August, Juína sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Juína in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Juína peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 23UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Juína in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Juína is worst in September — around 58 µg/m³ PM2.5 (unhealthy), about 6.8× the cleanest month (July, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1554 µg/m³Apr 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr9Good
May9Good
Jun11Good
Jul9Good
Aug29Moderate
Sep58Unhealthy
Oct23Moderate
Nov16Moderate
Dec12Moderate
Location & terrain

Where is Juína?

Juína sits at 11.4°S, 58.8°W, 353 m above sea level, in Brazil. The nearest listed city is Brasnorte, 113 km away.

Espigão dOestePimenta Bueno

Topography around Juína

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

Within 3 km, the terrain around Juína has only modest variations in elevation — a maximum elevation change of 68 m around an average of 340 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 228 m; within 80 km, significant variations in elevation — a maximum elevation change of 321 m.

The land around Juína is covered by grassland (49%), artificial surfaces (28%) and trees (20%) within 3 km, grassland (63%) and trees (34%) within 16 km, and trees (66%) and grassland (29%) within 80 km.

3 km
68 m
16 km
228 m
80 km
321 m
treesgrasslandcroplandartificial surfaces
August weather nearby: Brasnorte 113 km · Juara 136 km · Aripuanã 158 km · Vilhena 211 km · Colniza 226 km · Sapezal 236 km · Espigão dOeste 246 km · Pimenta Bueno 267 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 Juína (-11.4205°, -58.7549°, elevation 353 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).