São João da Barra weather in July

In July, São João da Barra sees average daytime highs of 24°C and overnight lows near 20°C, with 29 mm of rain across 6.5 wet days and about 10.8 hours of daylight. It is the 11th-warmest and 10th-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 July, and the air most often feels muggy.

Daylight stretches from about 10 h 42 min at the start of July to 11 hours by month's end. Set against the rest of the year, July is São João da Barra's 1st-clearest and 8th-windiest month. For the whole year in context, see São João da Barra's year-round climate.

Daytime high
24°
11th warmest
Overnight low
20°
1st coldest
Rainfall
29 mm
6.5 wet days
Daylight
10 h 48 min
7:26 AM – 6:14 PM
Cloud cover
38%
1st clearest
Wind
18 km/h
8th windiest
Solar energy
3.74 kWh/m²
Travel score
8.0
out of 10

São João da Barra is settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in São João da Barra reaches about 24°C in the afternoon and slips back to 20°C overnight — a 4°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, July runs on par with June and on par with August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12420
22420
32420
42420
52420
62420
72420
82420
92420
102420
112420
122420
132420
142420
152420
162420
172420
182420
192420
202420
212420
222420
232420
242420
252420
262420
272420
282420
292420
302420
312420

São João da Barra weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°11410.413.26.3
Feb28° / 24°547.612.76.5
Mar28° / 24°11212.712.26.0
Apr27° / 23°7511.411.56.5
May25° / 22°519.6117.1
Jun25° / 21°256.310.77.8
Jul24° / 20°296.510.88.0
Aug24° / 20°26611.38.0
Sep25° / 21°488.111.97.5
Oct25° / 22°788.812.57.0
Nov26° / 23°13913.8135.9
Dec27° / 24°15114.313.35.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in July, the clearest month of the year.

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57129
67129
77129
87129
97129
107129
117129
127030
137030
147030
157030
167030
177129
187129
197129
207228
217228
227228
237228
247228
257228
267228
277228
287228
297228
307228
317228

Chance of precipitation in July

Any precipitation

São João da Barra gets around 29 mm of rain over 6.5 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
320
421
521
621
722
822
922
1022
1122
1222
1321
1421
1520
1620
1719
1819
1919
2019
2119
2219
2319
2419
2519
2619
2719
2819
2919
3019
3119

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12830582
22830582
32930581
421030571
521030571
621131551
721131551
821231541
921232540
1021232540
1121333520
1221333520
1321333520
1421333520
1521333520
1621333520
1721333520
1821333520
1921333520
2021333520
2121333520
2221332530
2321432520
2421432520
2521432520
2621432520
2721532510
2831532500
2931532500
3031632500
3131632500

Wind in July

Winds average 18 km/h in July.

Across July, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 42 min at the start of July to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over July. Sunrise moves from 7:27 AM to 7:21 AM, and sunset from 6:08 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.77:276:08
210.77:276:09
310.77:276:09
410.77:276:09
510.77:276:10
610.77:276:10
710.77:276:10
810.77:276:11
910.77:276:11
1010.77:276:11
1110.87:276:12
1210.87:266:12
1310.87:266:13
1410.87:266:13
1510.87:266:13
1610.87:266:14
1710.87:266:14
1810.87:256:15
1910.87:256:15
2010.87:256:15
2110.97:256:16
2210.97:246:16
2310.97:246:17
2410.97:246:17
2510.97:236:17
2610.97:236:18
2710.97:236:18
2810.97:226:19
2911.07:226:19
3011.07:216:19
3111.07:216:20

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.74 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 6.72 kWh/m² in February across the year — July's 3.74 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
284.0Moderate
294.0Moderate
304.0Bright
314.0Bright
Planning a trip in July

Hazard calendar for São João da Barra

In seasonPeak

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

São João da Barra'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 July a good time to visit São João da Barra?

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

8.0
Sightseeing
1st-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for São João da Barra in July

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

In July, São João da Barra sees daytime highs around 24°C and nights near 20°C. Worth packing: light clothes. About 7 days see rain.

light clothes

Sea temperature near São João da Barra in July

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

The sea at the nearest coast (about 18 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
May24Warm
Jun23Refreshing
Jul23Refreshing
Aug22Refreshing
Sep22Refreshing
Oct23Refreshing
Nov24Refreshing
Dec24Warm

UV index in São João da Barra in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São João da Barra 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
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is São João da Barra?

São João da Barra sits at 21.6°S, 41.1°W, 7 m above sea level, in Brazil. The nearest listed city is Campos dos Goytacazes, 31 km away.

Topography around São João da Barra

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

Within 3 km, the terrain around São João da Barra has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,525 m.

The land around São João da Barra is covered by grassland (59%) within 3 km, water (47%) and grassland (37%) within 16 km, and grassland (44%) and water (38%) within 80 km.

3 km
11 m
16 km
19 m
80 km
1,525 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
July weather nearby: Campos dos Goytacazes 31 km · São Francisco de Itabapoana 39 km · Quissamã 68 km · Marataizes 70 km · Mimoso do Sul 72 km · São Fidélis 72 km · Itapemirim 73 km · Bom Jesus do Itabapoana 86 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 João da Barra (-21.6403°, -41.0511°, elevation 7 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).