Jaru weather in August

In August, Jaru sees average daytime highs of 34°C and overnight lows near 21°C, with 25 mm of rain across 4.9 wet days and about 11.7 hours of daylight. It is the 1st-warmest and 10th-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 64% of the time in August, and the air most often feels muggy.

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 Jaru's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Jaru's year-round climate.

Daytime high
34°
1st warmest
Overnight low
21°
3rd coldest
Rainfall
25 mm
4.9 wet days
Daylight
11 h 42 min
6:24 AM – 6:04 PM
Cloud cover
35%
2nd clearest
Wind
7 km/h
2nd windiest
Solar energy
5.46 kWh/m²
Travel score
3.6
out of 10

Jaru is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

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

A typical August day in Jaru reaches about 34°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13421
23421
33421
43421
53421
63421
73421
83421
93421
103421
113421
123421
133421
143421
153421
163421
173421
183421
193421
203422
213422
223422
233422
243422
253422
263422
273422
283422
293422
303422
313422

How August really feels in Jaru

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.

Jaru 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
Jan30° / 22°27528.212.52.9
Feb30° / 22°27126.212.32.8
Mar30° / 22°24727.912.12.9
Apr30° / 22°15323.111.83.3
May30° / 22°7514.711.54.4
Jun31° / 21°173.911.45.2
Jul33° / 20°102.211.54.7
Aug34° / 21°254.911.73.6
Sep34° / 22°8213.511.93.0
Oct32° / 23°13620.312.22.8
Nov31° / 23°19923.812.52.9
Dec30° / 23°24327.112.62.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58812
68713
78614
88614
98515
108515
118317
128317
138317
148119
158119
168119
178020
188020
198020
207822
217822
227822
237723
247624
257624
267525
277426
287426
297327
307327
317228

Chance of precipitation in August

Any precipitation

Jaru gets around 25 mm of rain over 4.9 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 17% and peaks near 29% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
18
28
38
48
59
69
710
810
911
1012
1113
1213
1314
1415
1515
1616
1717
1817
1918
2019
2120
2221
2321
2422
2523
2624
2725
2826
2927
3028
3129

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 48% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1102930228
2102930228
3102930229
4102830229
51027302210
61027302310
71026302311
8925302312
9925302413
10924292414
11824292415
12823282516
13823282517
14722272518
15722272518
16721272619
17720262620
18719262721
19718252723
20617252824
21616242825
22615232927
23614232928
24613223030
25612213031
26511213132
27510203134
2859193235
2948183237
3048173338
3147173339

Wind in August

Winds average 7 km/h in August.

Across August, 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.

0246810151015202531
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
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 6:30 AM to 6:16 AM, and sunset from 6:02 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:306:02
211.56:306:02
311.66:296:02
411.66:296:02
511.66:296:03
611.66:286:03
711.66:286:03
811.66:286:03
911.66:276:03
1011.66:276:03
1111.66:276:03
1211.66:266:03
1311.66:266:03
1411.66:256:03
1511.66:256:03
1611.76:246:04
1711.76:246:04
1811.76:236:04
1911.76:236:04
2011.76:226:04
2111.76:226:04
2211.76:216:04
2311.76:216:04
2411.76:206:04
2511.76:206:04
2611.76:196:04
2711.86:196:04
2811.86:186:04
2911.86:176:04
3011.86:176:04
3111.86:166:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.46 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 5.68 kWh/m² in October across the year — August's 5.46 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Jaru

In seasonPeak

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

Jaru's rainy season runs October–April, when most of the year's rain falls.

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

Is August a good time to visit Jaru?

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

3.6
Sightseeing
4th-best month of the year
7.1
Beach & pool
3rd-best month of the year

August is a weaker month for outdoor sightseeing in Jaru. The water and warmth also suit a beach or pool day.

What to pack for Jaru in August

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

In August, Jaru sees daytime highs around 34°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Jaru in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jaru peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 24UV 15Sep 12UV 3
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug6High
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jaru 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 Jaru is worst in September — around 57 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodPoorModerateSep 1454 µg/m³Jun 198 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar13Moderate
Apr10Good
May9Good
Jun8Good
Jul8Good
Aug39Poor
Sep57Unhealthy
Oct24Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Jaru?

Jaru sits at 10.4°S, 62.5°W, 159 m above sea level, in Brazil. The nearest listed city is Ouro Preto do Oeste, 44 km away.

Topography around Jaru

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

Within 3 km, the terrain around Jaru has only modest variations in elevation — a maximum elevation change of 78 m around an average of 161 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 230 m; within 80 km, significant variations in elevation — a maximum elevation change of 465 m.

The land around Jaru is covered by grassland (40%), artificial surfaces (31%) and trees (27%) within 3 km, grassland (73%) and trees (25%) within 16 km, and grassland (66%) and trees (33%) within 80 km.

3 km
78 m
16 km
230 m
80 km
465 m
treesgrasslandartificial surfacesbare terrainwater
August weather nearby: Ouro Preto do Oeste 44 km · Ji Paraná 75 km · Ariquemes 86 km · Presidente Médici 103 km · Alto Paraíso 122 km · Machadinho d'Oeste 123 km · São Miguel do Guaporé 142 km · Buritis 151 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 Jaru (-10.4389°, -62.4664°, elevation 159 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).