Cruzeiro do Sul weather in August

In August, Cruzeiro do Sul sees average daytime highs of 32°C and overnight lows near 21°C, with 71 mm of rain across 12.9 wet days and about 11.7 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 38% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of August to 11 h 48 min by month's end. Set against the rest of the year, August is Cruzeiro do Sul's 1st-clearest and 3rd-windiest month. For the whole year in context, see Cruzeiro do Sul's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
21°
3rd coldest
Rainfall
71 mm
12.9 wet days
Daylight
11 h 42 min
6:02 AM – 5:47 PM
Cloud cover
51%
1st clearest
Wind
5 km/h
3rd windiest
Solar energy
5.02 kWh/m²
Travel score
3.9
out of 10

Cruzeiro do Sul is city 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 32°C through the month.

A typical August day in Cruzeiro do Sul reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°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)
13121
23121
33121
43221
53221
63221
73221
83221
93221
103221
113221
123221
133221
143221
153221
163221
173221
183221
193221
203221
213222
223222
233222
243222
253222
263222
273222
283222
293222
303222
313222

How August really feels in Cruzeiro do Sul

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.

Cruzeiro do Sul weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°23925.412.42.9
Feb30° / 23°24223.612.32.9
Mar30° / 23°28327.512.12.8
Apr30° / 23°22224.411.83.0
May30° / 22°13420.611.73.7
Jun30° / 21°8115.311.64.4
Jul30° / 21°5611.911.64.7
Aug32° / 21°7112.911.73.9
Sep32° / 22°10917.1123.2
Oct32° / 23°17622.712.22.9
Nov31° / 23°22123.812.32.8
Dec31° / 23°24326.412.42.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of August, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36733
46733
56733
66733
76733
86634
96634
106535
116535
126436
136436
146337
156337
166238
176238
186238
196139
206139
216139
226040
236040
246040
255941
265842
275842
285743
295743
305644
315644

Chance of precipitation in August

Any precipitation

Cruzeiro do Sul gets around 71 mm of rain over 12.9 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 42% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
134
234
334
435
535
636
736
837
937
1038
1139
1239
1340
1441
1541
1642
1743
1844
1944
2045
2146
2246
2347
2447
2548
2648
2749
2850
2950
3050
3151

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 74% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112622690
212522700
312523690
412523690
512523690
612523690
712523690
812523690
912423700
1012423700
1102422720
1202422720
1302422720
1402421730
1502421730
1602420740
1702420740
1802419750
1902418760
2002418760
2102417761
2201417771
2301416781
2401416781
2501416781
2601415791
2701415782
2801414792
2901414792
3001413802
3101413802

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 42 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 6 minutes over August. Sunrise moves from 6:07 AM to 5:55 AM, and sunset from 5:47 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:075:47
211.76:075:47
311.76:065:47
411.76:065:47
511.76:065:47
611.76:065:47
711.76:055:47
811.76:055:47
911.76:055:47
1011.76:055:47
1111.76:045:47
1211.76:045:47
1311.76:045:47
1411.76:035:47
1511.76:035:47
1611.76:025:47
1711.86:025:47
1811.86:025:47
1911.86:015:47
2011.86:015:47
2111.86:005:47
2211.86:005:47
2311.85:595:47
2411.85:595:47
2511.85:585:47
2611.85:585:47
2711.85:575:47
2811.85:575:46
2911.85:565:46
3011.85:565:46
3111.85:555:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.02 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 5.29 kWh/m² in September across the year — August's 5.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Cruzeiro do Sul?

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

3.9
Sightseeing
3rd-best month of the year
6.1
Beach & pool
2nd-best month of the year

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

What to pack for Cruzeiro do Sul in August

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

In August, Cruzeiro do Sul sees daytime highs around 32°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Cruzeiro do Sul 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 Cruzeiro do Sul peaks around February 14 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 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 highExtremeFeb 14UV 17Jul 24UV 9
UV index (midday)Level
Jan15Extreme
Feb17Extreme
Mar15Extreme
Apr12Extreme
May12Extreme
Jun10Very high
Jul9Very high
Aug9Very high
Sep10Extreme
Oct13Extreme
Nov13Extreme
Dec13Extreme

Air quality in Cruzeiro do Sul 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 Cruzeiro do Sul is worst in September — around 48 µg/m³ PM2.5 (poor), about 6.8× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodSep 1545 µg/m³Jun 117 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul10Good
Aug26Moderate
Sep48Poor
Oct15Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Cruzeiro do Sul?

Cruzeiro do Sul sits at 7.6°S, 72.7°W, 195 m above sea level, in Brazil. The nearest listed city is Mâncio Lima, 24 km away.

ContamanaFeijó

Topography around Cruzeiro do Sul

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

Within 3 km, the terrain around Cruzeiro do Sul has only modest variations in elevation — a maximum elevation change of 65 m around an average of 190 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, only modest variations in elevation — a maximum elevation change of 146 m.

The land around Cruzeiro do Sul is covered by trees (62%) and artificial surfaces (22%) within 3 km, trees (72%) and grassland (24%) within 16 km, and trees (95%) within 80 km.

3 km
65 m
16 km
103 m
80 km
146 m
treesgrasslandartificial surfacesbare terrainwater
August weather nearby: Mâncio Lima 24 km · Ipixuna 126 km · Marechal Thaumaturgo 147 km · Tarauacá 219 km · San Fernando 222 km · Pucallpa 223 km · Contamana 260 km · Feijó 263 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 Cruzeiro do Sul (-7.6276°, -72.6776°, elevation 195 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).