São Francisco de Itabapoana weather in August

In August, São Francisco de Itabapoana sees average daytime highs of 24°C and overnight lows near 19°C, with 33 mm of rain across 6.8 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 56% of the time in August, and the air most often feels muggy.

Daylight stretches from about 11 hours at the start of August to 11 h 36 min by month's end. Set against the rest of the year, August is São Francisco de Itabapoana's 2nd-clearest and 5th-windiest month. For the whole year in context, see São Francisco de Itabapoana's year-round climate.

Daytime high
24°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
33 mm
6.8 wet days
Daylight
11 h 18 min
7:10 AM – 6:26 PM
Cloud cover
39%
2nd clearest
Wind
15 km/h
5th windiest
Solar energy
4.39 kWh/m²
Travel score
7.9
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical August day in São Francisco de Itabapoana reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12419
22419
32419
42419
52419
62419
72419
82419
92419
102419
112419
122419
132419
142419
152419
162419
172419
182419
192419
202419
212419
222419
232419
242419
252419
262419
272420
282420
292420
302420
312420

São Francisco de Itabapoana weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°11010.813.26.2
Feb28° / 24°71812.76.6
Mar28° / 24°11713.612.26.0
Apr27° / 23°7912.111.56.4
May25° / 21°5910.1117.0
Jun25° / 20°326.810.77.8
Jul24° / 19°357.610.87.8
Aug24° / 19°336.811.37.9
Sep25° / 20°568.811.97.3
Oct25° / 21°8510.512.56.7
Nov26° / 22°16315.4135.7
Dec27° / 23°17215.613.35.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37129
47030
57129
67030
77030
87030
97030
107030
117129
127129
137129
147228
157129
167129
177228
187228
197228
207327
217228
227327
237327
247228
257228
267228
277228
287129
297129
307129
317129

Chance of precipitation in August

Any precipitation

São Francisco de Itabapoana gets around 33 mm of rain over 6.8 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 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
221
320
420
520
620
720
820
920
1020
1121
1221
1322
1422
1522
1623
1723
1824
1924
2024
2124
2224
2324
2424
2524
2624
2724
2824
2924
3024
3124

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121539440
221539440
321538440
421538450
531538450
631537450
731537450
831537450
931537450
1031437450
1131437450
1231438450
1331438440
1431439440
1531439440
1631439440
1721440440
1821340440
1921340450
2021339460
2121339470
2211238480
2311237490
2411136520
2511135530
2611134540
2711133550
2811132560
2911132560
3021131551
3121130561

Wind in August

Winds average 15 km/h in August.

Across August, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 hours at the start of August to 11 h 36 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 7:19 AM to 6:57 AM, and sunset from 6:20 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:196:20
211.07:196:21
311.07:186:21
411.17:186:22
511.17:176:22
611.17:176:22
711.17:166:23
811.17:166:23
911.17:156:23
1011.27:146:24
1111.27:146:24
1211.27:136:24
1311.27:126:25
1411.27:116:25
1511.27:116:26
1611.37:106:26
1711.37:096:26
1811.37:086:27
1911.37:086:27
2011.37:076:27
2111.47:066:27
2211.47:056:28
2311.47:046:28
2411.47:046:28
2511.47:036:29
2611.57:026:29
2711.57:016:29
2811.57:006:30
2911.56:596:30
3011.56:586:30
3111.66:576:30

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.39 kWh/m².

For context, solar energy here swings from a low near 3.6 kWh/m² to a high of 6.48 kWh/m² in February across the year — August's 4.39 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
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

Hazard calendar for São Francisco de Itabapoana

In seasonPeak

None of São Francisco de Itabapoana'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 Francisco de Itabapoana's rainy season runs October–January, 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 Francisco de Itabapoana?

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

7.9
Sightseeing
1st-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for São Francisco de Itabapoana in August

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

In August, São Francisco de Itabapoana sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near São Francisco de Itabapoana in August

The nearest coast averages about 23°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 25°C and coldest in August near 23°C.

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

22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Warm
Jun23Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec24Warm

UV index in São Francisco de Itabapoana 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 Francisco de Itabapoana peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is São Francisco de Itabapoana?

São Francisco de Itabapoana sits at 21.3°S, 41.0°W, 1 m above sea level, in Brazil. The nearest listed city is Marataizes, 32 km away.

Topography around São Francisco de Itabapoana

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

Within 3 km, the terrain around São Francisco de Itabapoana has only modest variations in elevation — a maximum elevation change of 23 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,346 m.

The land around São Francisco de Itabapoana is covered by water (50%) and grassland (25%) within 3 km, water (51%) and grassland (26%) within 16 km, and grassland (47%) and water (31%) within 80 km.

3 km
23 m
16 km
86 m
80 km
1,346 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
August weather nearby: Marataizes 32 km · Itapemirim 35 km · São João da Barra 39 km · Mimoso do Sul 50 km · Cachoeiro de Itapemirim 53 km · Piúma 57 km · Campos dos Goytacazes 63 km · Anchieta 64 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 Francisco de Itabapoana (-21.3019°, -40.9614°, elevation 1 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).