Cachoeira do Piriá weather in August

In August, Cachoeira do Piriá sees average daytime highs of 31°C and overnight lows near 22°C, with 42 mm of rain across 11.1 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 40% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of August to 12 hours by month's end. Set against the rest of the year, August is Cachoeira do Piriá's 1st-clearest and 5th-windiest month. For the whole year in context, see Cachoeira do Piriá's year-round climate.

Daytime high
31°
5th warmest
Overnight low
22°
2nd coldest
Rainfall
42 mm
11.1 wet days
Daylight
11 h 54 min
6:12 AM – 6:09 PM
Cloud cover
46%
1st clearest
Wind
9 km/h
5th windiest
Solar energy
5.54 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 31°C through the month.

A typical August day in Cachoeira do Piriá reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193123
203123
213223
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How August really feels in Cachoeira do Piriá

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.

Cachoeira do Piriá weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°22025.512.12.8
Feb30° / 23°29626.412.12.6
Mar30° / 23°38530.1122.6
Apr30° / 23°37629.1122.6
May31° / 23°22727.511.92.8
Jun31° / 23°11921.211.93.4
Jul31° / 22°8818.211.94.0
Aug31° / 22°4211.111.94.4
Sep32° / 23°277.7124.1
Oct33° / 23°275.9123.9
Nov33° / 24°36712.13.7
Dec33° / 24°8614.512.13.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 43% of August, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38317
48317
58416
68416
78416
88416
98416
108416
118416
128317
138317
148317
158317
168317
178317
188317
198317
208317
218416
228416
238416
248416
258416
268416
278416
288416
298515
308515
318515

Chance of precipitation in August

Any precipitation

Cachoeira do Piriá gets around 42 mm of rain over 11.1 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 36% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
144
243
343
442
541
641
741
840
940
1040
1139
1239
1338
1437
1537
1636
1735
1834
1934
2033
2133
2232
2332
2432
2531
2631
2731
2830
2930
3030
3130

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
30991
40991
50991
60991
70991
80991
90991
101981
111981
121981
131981
141981
151981
161981
171981
181981
191981
201981
211981
221981
231981
241981
251981
261981
271981
281981
291981
301990
311990

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 54 min at the start of August to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over August. Sunrise moves from 6:15 AM to 6:07 AM, and sunset from 6:10 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:156:10
211.96:146:10
311.96:146:10
411.96:146:10
511.96:146:10
611.96:146:10
711.96:146:10
811.96:146:10
911.96:146:09
1011.96:136:09
1111.96:136:09
1211.96:136:09
1311.96:136:09
1411.96:126:09
1511.96:126:09
1611.96:126:09
1711.96:126:08
1811.96:116:08
1911.96:116:08
2011.96:116:08
2111.96:116:08
2212.06:106:07
2312.06:106:07
2412.06:106:07
2512.06:096:07
2612.06:096:06
2712.06:096:06
2812.06:086:06
2912.06:086:06
3012.06:086:05
3112.06:076:05

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.54 kWh/m².

For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 5.95 kWh/m² in October across the year — August's 5.54 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in August

Hazard calendar for Cachoeira do Piriá

In seasonPeak

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

Cachoeira do Piriá's monsoon runs January–May, 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 Cachoeira do Piriá?

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

4.4
Sightseeing
1st-best month of the year
6.6
Beach & pool
3rd-best month of the year

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

What to pack for Cachoeira do Piriá in August

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

In August, Cachoeira do Piriá sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Cachoeira do Piriá in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cachoeira do Piriá peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Cachoeira do Piriá 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 Cachoeira do Piriá is worst in February — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2019 µg/m³Jul 127 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar19Moderate
Apr14Moderate
May8Good
Jun7Good
Jul7Good
Aug8Good
Sep10Good
Oct12Good
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Cachoeira do Piriá?

Cachoeira do Piriá sits at 1.8°S, 46.5°W, 77 m above sea level, in Brazil. The nearest listed city is Santa Luzia do Pará, 47 km away.

Topography around Cachoeira do Piriá

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

Within 3 km, the terrain around Cachoeira do Piriá has only modest variations in elevation — a maximum elevation change of 117 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, only modest variations in elevation — a maximum elevation change of 206 m.

The land around Cachoeira do Piriá is covered by grassland (52%) and trees (46%) within 3 km, trees (57%) and grassland (43%) within 16 km, and trees (56%) and grassland (42%) within 80 km.

3 km
117 m
16 km
128 m
80 km
206 m
treesgrasslandartificial surfacesbare terrainmangroves
August weather nearby: Santa Luzia do Pará 47 km · Capitão Poço 57 km · Garrafão do Norte 60 km · Centro Novo do Maranhão 63 km · Ourém 67 km · Maracaçumé 72 km · Nova Esperança do Piriá 73 km · Viseu 77 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 Cachoeira do Piriá (-1.7597°, -46.545°, elevation 77 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).