Senador Guiomard weather in August

In August, Senador Guiomard sees average daytime highs of 33°C and overnight lows near 20°C, with 44 mm of rain across 6.8 wet days and about 11.7 hours of daylight. It is the 2nd-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 55% of the time in August, and the air most often feels oppressive.

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 Senador Guiomard's 2nd-clearest and 1st-windiest month. For the whole year in context, see Senador Guiomard's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
20°
3rd coldest
Rainfall
44 mm
6.8 wet days
Daylight
11 h 42 min
5:45 AM – 5:25 PM
Cloud cover
42%
2nd clearest
Wind
7 km/h
1st windiest
Solar energy
5.3 kWh/m²
Travel score
4.1
out of 10

Senador Guiomard is brasilian municipality.

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 33°C through the month.

A typical August day in Senador Guiomard 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 28°C and 36°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
23219
33219
43219
53220
63220
73220
83220
93320
103320
113320
123320
133320
143320
153320
163320
173320
183320
193320
203320
213321
223321
233321
243321
253321
263321
273321
283321
293321
303321
313321

How August really feels in Senador Guiomard

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.

Senador Guiomard weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26026.912.52.8
Feb30° / 23°24124.712.32.8
Mar30° / 23°2482712.12.8
Apr30° / 22°16421.911.83.3
May30° / 21°8915.611.54.4
Jun30° / 20°427.811.45.2
Jul31° / 19°275.411.55.2
Aug33° / 20°446.811.74.1
Sep33° / 22°8913.211.93.2
Oct32° / 23°1592012.22.9
Nov31° / 23°22123.312.52.8
Dec30° / 23°25826.112.62.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
47921
57921
67921
77921
87921
97921
107723
117723
127723
137723
147624
157624
167624
177624
187525
197426
207426
217426
227327
237228
247129
257129
267030
277030
287030
296931
306931
316733

Chance of precipitation in August

Any precipitation

Senador Guiomard gets around 44 mm of rain over 6.8 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 23% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
113
214
314
414
515
615
716
817
917
1018
1119
1220
1321
1422
1523
1623
1724
1824
1925
2026
2126
2227
2327
2428
2528
2629
2730
2830
2931
3032
3132

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
156183834
256183734
356183635
456183636
555183536
655183437
755183338
855183340
955173241
1055173142
1155163043
1255163044
1355162945
1455152946
1555142947
1645142948
1745132948
1845122949
1945112951
2046112851
2146102852
2246102753
234692754
244692655
254692556
263692458
273592360
283592360
293582262
303582163
313582064

Wind in August

Winds average 7 km/h in August, the windiest month of the year.

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 5:51 AM to 5:37 AM, and sunset from 5:23 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:515:23
211.65:505:24
311.65:505:24
411.65:505:24
511.65:495:24
611.65:495:24
711.65:495:24
811.65:485:24
911.65:485:24
1011.65:485:25
1111.65:475:25
1211.65:475:25
1311.65:465:25
1411.65:465:25
1511.75:465:25
1611.75:455:25
1711.75:455:25
1811.75:445:25
1911.75:445:25
2011.75:435:25
2111.75:435:25
2211.75:425:25
2311.75:425:25
2411.75:415:25
2511.75:415:25
2611.75:405:25
2711.85:405:25
2811.85:395:25
2911.85:385:25
3011.85:385:25
3111.85:375:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.3 kWh/m².

For context, solar energy here swings from a low near 4.25 kWh/m² to a high of 5.57 kWh/m² in September across the year — August's 5.3 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
315.5Bright
Planning a trip in August

Hazard calendar for Senador Guiomard

In seasonPeak

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

Senador Guiomard'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 Senador Guiomard?

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

4.1
Sightseeing
4th-best month of the year
7.0
Beach & pool
3rd-best month of the year

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

What to pack for Senador Guiomard in August

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

In August, Senador Guiomard sees daytime highs around 33°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Senador Guiomard 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 Senador Guiomard peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 20UV 15Sep 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul8Very high
Aug6High
Sep4Moderate
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Senador Guiomard 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 Senador Guiomard is worst in September — around 60 µg/m³ PM2.5 (unhealthy), about 7.8× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateGoodSep 1457 µg/m³Jun 98 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun8Good
Jul12Good
Aug37Poor
Sep60Unhealthy
Oct23Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Senador Guiomard?

Senador Guiomard sits at 10.1°S, 67.7°W, 207 m above sea level, in Brazil. The nearest listed city is Rio Branco, 21 km away.

Topography around Senador Guiomard

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

Within 3 km, the terrain around Senador Guiomard has only modest variations in elevation — a maximum elevation change of 73 m around an average of 193 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 111 m; within 80 km, only modest variations in elevation — a maximum elevation change of 168 m.

The land around Senador Guiomard is covered by grassland (65%) and trees (27%) within 3 km, grassland (56%) and trees (42%) within 16 km, and trees (64%) and grassland (36%) within 80 km.

3 km
73 m
16 km
111 m
80 km
168 m
treesgrasslandartificial surfaceswater
August weather nearby: Rio Branco 21 km · Plácido de Castro 64 km · Porto Acre 66 km · Xapuri 101 km · Brasiléia 147 km · Epitaciolândia 147 km · Cobija 149 km · Sena Madureira 158 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 Senador Guiomard (-10.1497°, -67.7374°, elevation 207 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).