Sao Rafael weather in August

In August, Sao Rafael sees average daytime highs of 23°C and overnight lows near 14°C, with 68 mm of rain across 8.8 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 40% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 10 h 54 min at the start of August to 11 h 30 min by month's end. Set against the rest of the year, August is Sao Rafael's 2nd-clearest and 5th-windiest month. For the whole year in context, see Sao Rafael's year-round climate.

Daytime high
23°
9th warmest
Overnight low
14°
2nd coldest
Rainfall
68 mm
8.8 wet days
Daylight
11 h 12 min
7:35 AM – 6:45 PM
Cloud cover
54%
2nd clearest
Wind
8 km/h
5th windiest
Solar energy
4.12 kWh/m²
Travel score
7.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical August day in Sao Rafael reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 29°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72313
82313
92313
102313
112313
122313
132313
142313
152313
162313
172314
182314
192314
202314
212314
222314
232314
242314
252314
262314
272314
282414
292414
302414
312414

Sao Rafael weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°33726.613.33.9
Feb28° / 20°2752312.84.0
Mar27° / 19°27124.612.24.3
Apr25° / 18°11415.811.55.7
May23° / 15°9612.110.96.4
Jun22° / 14°708.410.67.0
Jul22° / 13°848.310.77.1
Aug23° / 14°688.811.27.1
Sep24° / 15°12913.911.96.2
Oct25° / 17°15717.812.65.4
Nov25° / 18°20920.713.14.9
Dec27° / 19°25123.913.44.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55248
65149
75050
85050
95050
105050
115050
125050
135050
145149
155149
165149
175248
185248
195248
205347
215347
225347
235446
245446
255347
265347
275446
285347
295248
305248
315149

Chance of precipitation in August

Any precipitation

Sao Rafael gets around 68 mm of rain over 8.8 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1128
1228
1328
1428
1529
1629
1729
1829
1929
2029
2130
2230
2330
2431
2531
2631
2732
2832
2933
3034
3134

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1385480
2385390
3375490
43753100
53753100
63653110
73653110
83652120
93552130
103552130
113452140
123451150
133351160
143351160
153350170
163250180
173250180
183150190
193051190
202951200
212852200
222752210
232653210
242553220
252453230
262452240
272353240
282253250
292153260
302152270
312051281

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 54 min 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 36 minutes over August. Sunrise moves from 7:45 AM to 7:21 AM, and sunset from 6:39 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:456:39
210.97:446:39
310.97:446:40
410.97:436:40
511.07:436:41
611.07:426:41
711.07:416:41
811.07:416:42
911.07:406:42
1011.17:396:43
1111.17:396:43
1211.17:386:43
1311.17:376:44
1411.17:366:44
1511.27:366:45
1611.27:356:45
1711.27:346:46
1811.27:336:46
1911.27:326:46
2011.37:316:47
2111.37:306:47
2211.37:306:47
2311.37:296:48
2411.37:286:48
2511.47:276:49
2611.47:266:49
2711.47:256:49
2811.47:246:50
2911.57:236:50
3011.57:226:50
3111.57:216:51

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.12 kWh/m².

For context, solar energy here swings from a low near 3.21 kWh/m² to a high of 5.74 kWh/m² in December across the year — August's 4.12 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.9Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Moderate
134.0Bright
144.0Bright
154.1Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.3Bright
224.3Bright
234.3Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Sao Rafael

In seasonPeak

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

Sao Rafael's rainy season runs October–March, 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 Sao Rafael?

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

7.1
Sightseeing
1st-best month of the year
5.4
Beach & pool
1st-best month of the year

August is one of the better times to visit Sao Rafael for general sightseeing.

What to pack for Sao Rafael in August

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

In August, Sao Rafael sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Sao Rafael in August

The nearest coast averages about 21°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 43 km away) is warmest in February at about 27°C and coldest in August near 21°C.

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

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Sao Rafael in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sao Rafael peaks around February 8 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 8UV 14Jul 14UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar10Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug7Very high
Sep8Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Sao Rafael 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 Sao Rafael is worst in July — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (February, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1451 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb24Moderate
Mar26Moderate
Apr28Moderate
May36Poor
Jun49Poor
Jul52Poor
Aug47Poor
Sep41Poor
Oct31Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Sao Rafael?

Sao Rafael sits at 23.6°S, 46.5°W, 826 m above sea level, in Brazil. The nearest listed city is Iguatemi, 3.0 km away.

Topography around Sao Rafael

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

Within 3 km, the terrain around Sao Rafael has only modest variations in elevation — a maximum elevation change of 225 m around an average of 820 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,665 m.

The land around Sao Rafael is covered by artificial surfaces (68%) within 3 km, artificial surfaces (59%) and trees (32%) within 16 km, and trees (52%) and water (21%) within 80 km.

3 km
225 m
16 km
324 m
80 km
1,665 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Iguatemi 3.0 km · São Mateus 4.0 km · Mauá 4.0 km · Parque Do Carmo 6.0 km · Jose Bonifacio 7.0 km · Cidade Tiradentes 7.0 km · Sapopemba 8.0 km · Cidade Lider 8.0 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 Sao Rafael (-23.6282°, -46.4539°, elevation 826 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. 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).