Promissão weather in August

In August, Promissão sees average daytime highs of 29°C and overnight lows near 17°C, with 24 mm of rain across 3.1 wet days and about 11.3 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 67% of the time in August, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Promissão's 1st-clearest and 2nd-windiest month. For the whole year in context, see Promissão's year-round climate.

Daytime high
29°
9th warmest
Overnight low
17°
3rd coldest
Rainfall
24 mm
3.1 wet days
Daylight
11 h 18 min
7:46 AM – 7:01 PM
Cloud cover
31%
1st clearest
Wind
11 km/h
2nd windiest
Solar energy
4.92 kWh/m²
Travel score
6.6
out of 10

Promissão 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

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical August day in Promissão reaches about 29°C in the afternoon and slips back to 17°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, August runs about 2°C warmer than July and about 1°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62916
72916
82916
92916
102916
112916
122916
132916
142916
152916
162916
172917
182917
193017
203017
213017
223017
233017
243017
253017
263017
273017
283017
293017
303017
313118

How August really feels in Promissão

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.

Promissão weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23621.713.23.4
Feb31° / 22°17018.112.73.6
Mar30° / 22°13316.712.24.1
Apr30° / 20°58711.55.7
May27° / 17°495.3117.3
Jun27° / 16°303.610.77.9
Jul27° / 15°202.910.88.0
Aug29° / 17°243.111.36.6
Sep31° / 19°576.911.95.2
Oct31° / 20°10211.112.54.2
Nov31° / 21°14014.2134.0
Dec31° / 22°18719.513.33.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of August, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47426
57426
67426
77426
87426
97426
107525
117525
127624
137624
147624
157723
167723
177723
187822
197822
207822
217921
227921
237921
247921
257921
267921
277921
287921
297921
307723
317723

Chance of precipitation in August

Any precipitation

Promissão gets around 24 mm of rain over 3.1 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 10% and peaks near 15% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
48
58
68
78
89
99
109
119
129
139
1410
1510
1610
1710
1811
1911
2011
2111
2211
2312
2412
2512
2612
2713
2813
2914
3014
3115

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1543781
2543781
3553681
4553681
5553591
6553591
7563491
85534101
95633101
105632111
115632111
125731111
135731111
145830111
155830111
165929111
175829121
185829121
195829121
205829121
215829121
225729131
235630131
245630131
255530132
265530132
275330143
285330143
295230144
305229154
315129155

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
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 hours at the start of August to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over August. Sunrise moves from 7:55 AM to 7:33 AM, and sunset from 6:56 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:556:56
211.07:556:56
311.07:546:56
411.17:546:57
511.17:536:57
611.17:536:58
711.17:526:58
811.17:516:58
911.17:516:59
1011.17:506:59
1111.27:496:59
1211.27:497:00
1311.27:487:00
1411.27:477:00
1511.27:477:01
1611.37:467:01
1711.37:457:02
1811.37:447:02
1911.37:447:02
2011.37:437:03
2111.37:427:03
2211.47:417:03
2311.47:407:03
2411.47:397:04
2511.47:397:04
2611.47:387:04
2711.57:377:05
2811.57:367:05
2911.57:357:05
3011.57:347:06
3111.57:337:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.92 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 6.18 kWh/m² in November across the year — August's 4.92 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.4Bright
Planning a trip in August

Hazard calendar for Promissão

In seasonPeak

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

Promissão's monsoon runs November–March, 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 Promissão?

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

6.6
Sightseeing
4th-best month of the year
8.4
Beach & pool
1st-best month of the year

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

What to pack for Promissão in August

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

In August, Promissão sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Promissão in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Promissão peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Promissão 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 Promissão is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1422 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul11Good
Aug18Moderate
Sep22Moderate
Oct15Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Promissão?

Promissão sits at 21.5°S, 49.9°W, 428 m above sea level, in Brazil. The nearest listed city is Lins, 20 km away.

Topography around Promissão

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

Within 3 km, the terrain around Promissão has only modest variations in elevation — a maximum elevation change of 73 m around an average of 416 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 155 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Promissão is covered by cropland (45%) and grassland (22%) within 3 km, cropland (69%) within 16 km, and cropland (57%) and grassland (20%) within 80 km.

3 km
73 m
16 km
155 m
80 km
375 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Lins 20 km · Penápolis 26 km · Cafelândia 39 km · Birigui 57 km · Buritama 60 km · Pirajuí 66 km · Novo Horizonte 66 km · Araçatuba 70 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 Promissão (-21.5367°, -49.8581°, elevation 428 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).