Riachão do Dantas weather in August

In August, Riachão do Dantas sees average daytime highs of 26°C and overnight lows near 19°C, with 62 mm of rain across 19.4 wet days and about 11.6 hours of daylight. It is the 11th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 18% 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 Riachão do Dantas's 6th-clearest and 7th-windiest month. For the whole year in context, see Riachão do Dantas's year-round climate.

Daytime high
26°
11th warmest
Overnight low
19°
1st coldest
Rainfall
62 mm
19.4 wet days
Daylight
11 h 36 min
5:46 AM – 5:24 PM
Cloud cover
57%
6th clearest
Wind
11 km/h
7th windiest
Solar energy
4.42 kWh/m²
Travel score
5.3
out of 10

Riachão do Dantas 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 26°C through the month.

A typical August day in Riachão do Dantas reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202619
212619
222619
232719
242719
252720
262720
272720
282720
292720
302720
312720

How August really feels in Riachão do Dantas

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Riachão do Dantas weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°4711.312.64.2
Feb31° / 23°4612.412.44.0
Mar31° / 23°5214.212.14.0
Apr30° / 23°6715.811.84.2
May28° / 22°8319.711.54.7
Jun27° / 21°832111.44.9
Jul26° / 20°702111.45.1
Aug26° / 19°6219.411.65.3
Sep28° / 20°4414.511.95.7
Oct29° / 21°339.512.25.5
Nov31° / 22°358.512.54.9
Dec31° / 23°338.412.64.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 42% of August, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35941
45941
55842
65941
75941
85941
95842
105842
115842
125842
135842
145842
155842
165941
175941
185941
195941
205941
216040
226040
236238
246238
256238
266337
276436
286436
296535
306535
316535

Chance of precipitation in August

Any precipitation

Riachão do Dantas gets around 62 mm of rain over 19.4 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 63% and peaks near 66% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
165
264
363
462
562
661
761
861
961
1062
1162
1263
1363
1464
1565
1665
1766
1866
1966
2066
2166
2266
2365
2464
2563
2661
2760
2859
2957
3056
3156

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
112844
212853
312853
412853
512853
612853
712853
812853
912853
1012853
1112853
1212853
1311863
1411863
1511863
1610873
1710873
1810873
199883
209883
218893
228893
237903
247903
257903
267903
277894
288884
298884
308884
319874

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:52 AM to 5:38 AM, and sunset from 5:22 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:525:22
211.55:515:22
311.55:515:23
411.55:515:23
511.55:515:23
611.55:505:23
711.65:505:23
811.65:495:23
911.65:495:23
1011.65:495:23
1111.65:485:24
1211.65:485:24
1311.65:475:24
1411.65:475:24
1511.65:475:24
1611.65:465:24
1711.65:465:24
1811.65:455:24
1911.75:455:24
2011.75:445:24
2111.75:445:24
2211.75:435:24
2311.75:425:24
2411.75:425:24
2511.75:415:24
2611.75:415:24
2711.75:405:24
2811.75:405:24
2911.85:395:24
3011.85:385:24
3111.85:385:24

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.42 kWh/m².

For context, solar energy here swings from a low near 3.78 kWh/m² to a high of 6.25 kWh/m² in December across the year — August's 4.42 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Riachão do Dantas?

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

5.3
Sightseeing
3rd-best month of the year
5.2
Beach & pool
10th-best month of the year

August is a reasonable time to visit Riachão do Dantas for sightseeing.

What to pack for Riachão do Dantas in August

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

In August, Riachão do Dantas sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

Sea temperature near Riachão do Dantas in August

The nearest coast averages about 26°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 51 km away) is warmest in April at about 28°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Riachão do Dantas in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Riachão do Dantas peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 17UV 15Jul 11UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Riachão do Dantas?

Riachão do Dantas sits at 11.1°S, 37.7°W, 179 m above sea level, in Brazil. The nearest listed city is Boquim, 14 km away.

Topography around Riachão do Dantas

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

Within 3 km, the terrain around Riachão do Dantas has only modest variations in elevation — a maximum elevation change of 86 m around an average of 164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 322 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.

The land around Riachão do Dantas is covered by grassland (86%) within 3 km, grassland (78%) within 16 km, and grassland (55%) within 80 km.

3 km
86 m
16 km
322 m
80 km
691 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: Boquim 14 km · Lagarto 19 km · Itabaianinha 24 km · Salgado 28 km · Tobias Barreto 32 km · Umbaúba 36 km · Simão Dias 38 km · Estância 38 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 Riachão do Dantas (-11.0689°, -37.725°, elevation 179 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).