São Fidélis weather in August

In August, São Fidélis sees average daytime highs of 26°C and overnight lows near 16°C, with 29 mm of rain across 6.5 wet days and about 11.3 hours of daylight. It is the 10th-warmest and 10th-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 41% of the time in August, and the air most often feels humid.

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 São Fidélis's 3rd-clearest and 3rd-windiest month. For the whole year in context, see São Fidélis's year-round climate.

Daytime high
26°
10th warmest
Overnight low
16°
2nd coldest
Rainfall
29 mm
6.5 wet days
Daylight
11 h 18 min
7:14 AM – 6:29 PM
Cloud cover
50%
3rd clearest
Wind
6 km/h
3rd windiest
Solar energy
4.15 kWh/m²
Travel score
7.4
out of 10

São Fidélis is 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 São Fidélis reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, August runs on par with July and about 1°C cooler than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52516
62516
72516
82516
92516
102516
112516
122516
132516
142516
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

How August really feels in São Fidélis

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.

São Fidélis weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°22419.113.23.8
Feb31° / 21°13414.912.74.0
Mar30° / 21°18719.112.24.1
Apr28° / 20°9914.111.55.5
May26° / 17°6510.4116.6
Jun25° / 16°285.810.77.6
Jul25° / 16°265.910.87.7
Aug26° / 16°296.511.37.4
Sep27° / 17°7210.211.96.5
Oct27° / 19°11613.812.55.7
Nov28° / 20°23720134.6
Dec29° / 21°27722.313.33.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26040
36040
46040
56040
65941
75941
85941
95842
105842
115842
125842
135842
145743
155743
165842
175743
185743
195743
205842
215743
225842
235842
245842
255941
266040
276040
286139
296040
306040
316139

Chance of precipitation in August

Any precipitation

São Fidélis gets around 29 mm of rain over 6.5 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 21% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
519
619
719
820
920
1021
1122
1222
1323
1424
1524
1624
1724
1824
1924
2024
2123
2223
2323
2422
2521
2621
2720
2820
2920
3020
3120

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1931537
2931537
3931537
4931528
5930538
6930538
71030528
81030519
91030519
101029529
111029529
121029529
131030519
141030519
151030519
16930529
17930529
18931528
19930529
20830539
21830539
22729559
23728569
24728569
257275610
267265710
277255711
287255711
297245712
307245712
317245613

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 7:23 AM to 7:01 AM, and sunset from 6:23 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:236:23
211.07:236:23
311.07:226:24
411.07:216:24
511.17:216:25
611.17:206:25
711.17:206:25
811.17:196:26
911.17:186:26
1011.17:186:26
1111.27:176:27
1211.27:166:27
1311.27:166:28
1411.27:156:28
1511.27:146:28
1611.37:146:29
1711.37:136:29
1811.37:126:29
1911.37:116:30
2011.37:106:30
2111.37:106:30
2211.47:096:31
2311.47:086:31
2411.47:076:31
2511.47:066:32
2611.47:056:32
2711.57:046:32
2811.57:046:32
2911.57:036:33
3011.57:026:33
3111.57:016:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.15 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 6.11 kWh/m² in February across the year — August's 4.15 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.9Moderate
84.0Moderate
94.0Moderate
104.0Bright
114.0Bright
124.0Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.3Bright
234.3Bright
244.3Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for São Fidélis

In seasonPeak

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

São Fidélis's rainy season runs November–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 São Fidélis?

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

7.4
Sightseeing
3rd-best month of the year
6.9
Beach & pool
1st-best month of the year

August is one of the better times to visit São Fidélis for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Fidélis in August

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

In August, São Fidélis sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near São Fidélis in August

The nearest coast averages about 22°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 66 km away) is warmest in March at about 25°C and coldest in August near 22°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in São Fidélis 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 São Fidélis peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 highExtremeFeb 9UV 14Jun 23UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is São Fidélis?

São Fidélis sits at 21.6°S, 41.7°W, 22 m above sea level, in Brazil. The nearest listed city is Cambuci, 19 km away.

Topography around São Fidélis

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

Within 3 km, the terrain around São Fidélis has significant variations in elevation — a maximum elevation change of 325 m around an average of 77 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,301 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,716 m.

The land around São Fidélis is covered by grassland (57%) and trees (26%) within 3 km, grassland (64%) and trees (34%) within 16 km, and grassland (65%) and trees (24%) within 80 km.

3 km
325 m
16 km
1,301 m
80 km
1,716 m
treesgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Cambuci 19 km · Itaocara 34 km · Campos dos Goytacazes 45 km · Santo Antônio de Pádua 46 km · Conceição de Macabu 50 km · Itaperuna 51 km · Miracema 53 km · Bom Jesus do Itabapoana 57 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 São Fidélis (-21.6461°, -41.7469°, elevation 22 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).