Cabo Frio weather in July

In July, Cabo Frio sees average daytime highs of 22°C and overnight lows near 21°C, with 35 mm of rain across 6.6 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 58% of the time in July, and the air most often feels muggy.

Daylight stretches from about 10 h 36 min at the start of July to 10 h 54 min by month's end. Set against the rest of the year, July is Cabo Frio's 2nd-clearest and 5th-windiest month. For the whole year in context, see Cabo Frio's year-round climate.

Daytime high
22°
10th warmest
Overnight low
21°
3rd coldest
Rainfall
35 mm
6.6 wet days
Daylight
10 h 42 min
7:32 AM – 6:15 PM
Cloud cover
37%
2nd clearest
Wind
23 km/h
5th windiest
Solar energy
3.7 kWh/m²
Travel score
7.7
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical July day in Cabo Frio reaches about 22°C in the afternoon and slips back to 21°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, July runs on par with June and on par with August.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12321
22321
32321
42321
52321
62321
72321
82321
92221
102221
112221
122221
132221
142221
152221
162221
172221
182221
192221
202221
212221
222221
232221
242221
252221
262221
272221
282221
292221
302221
312221

Cabo Frio weather by month

How July compares with the rest of the year at a glance. July 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
Jan25° / 24°888.313.27.1
Feb26° / 24°52612.87.3
Mar26° / 24°1051112.26.7
Apr25° / 24°579.511.57.2
May24° / 22°5810.110.97.3
Jun23° / 21°346.410.67.8
Jul22° / 21°356.610.77.7
Aug22° / 21°286.111.27.7
Sep22° / 21°477.111.97.4
Oct23° / 21°547.712.57.2
Nov24° / 22°10110.613.16.7
Dec25° / 23°969.713.46.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57030
67129
77030
87030
97030
107030
117030
127030
137030
147030
157030
167228
177228
187228
197228
207327
217327
227426
237426
247426
257525
267525
277525
287525
297525
307525
317525

Chance of precipitation in July

Any precipitation

Cabo Frio gets around 35 mm of rain over 6.6 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 21% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
320
421
521
622
722
823
923
1023
1123
1223
1323
1423
1523
1622
1722
1821
1921
2020
2120
2220
2319
2419
2519
2619
2719
2819
2920
3020
3120

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 55% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12928583
231027573
331127563
431227562
521227572
621327562
721427561
821527551
921528541
1021628531
1121628540
1231628530
1331628530
1431627540
1531627540
1631627540
1731527550
1831526560
1931526560
2041526550
2141526550
2241526550
2341526550
2441526550
2541526550
2641526550
2741526550
2841526550
2941527540
3041527540
3141527540

Wind in July

Winds average 23 km/h in July.

Across July, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 36 min at the start of July to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over July. Sunrise moves from 7:33 AM to 7:27 AM, and sunset from 6:10 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:336:10
210.67:336:10
310.67:336:10
410.67:336:11
510.67:336:11
610.67:336:11
710.67:336:12
810.67:336:12
910.77:336:13
1010.77:336:13
1110.77:336:13
1210.77:336:14
1310.77:336:14
1410.77:326:15
1510.77:326:15
1610.77:326:15
1710.77:326:16
1810.77:326:16
1910.87:316:17
2010.87:316:17
2110.87:316:17
2210.87:306:18
2310.87:306:18
2410.87:306:19
2510.87:296:19
2610.87:296:20
2710.97:296:20
2810.97:286:20
2910.97:286:21
3010.97:276:21
3110.97:276:22

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.7 kWh/m².

For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.65 kWh/m² in February across the year — July's 3.7 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
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
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

Is July a good time to visit Cabo Frio?

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

7.7
Sightseeing
2nd-best month of the year
5.5
Beach & pool
8th-best month of the year

July is one of the better times to visit Cabo Frio for general sightseeing.

What to pack for Cabo Frio in July

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

In July, Cabo Frio sees daytime highs around 22°C and nights near 21°C. Worth packing: light clothes and a windbreaker. About 7 days see rain.

light clothesa windbreaker

Sea temperature near Cabo Frio in July

The nearest coast averages about 22°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 16 km away) is warmest in March at about 25°C and coldest in September near 21°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Refreshing

UV index in Cabo Frio in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cabo Frio peaks around January 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 15UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep7High
Oct11Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Cabo Frio?

Cabo Frio sits at 22.9°S, 42.0°W, 13 m above sea level, in Brazil. The nearest listed city is Arraial do Cabo, 9.0 km away.

Topography around Cabo Frio

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

Within 3 km, the terrain around Cabo Frio has only modest variations in elevation — a maximum elevation change of 100 m around an average of 5 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 375 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.

The land around Cabo Frio is covered by water (44%) and artificial surfaces (35%) within 3 km, water (61%) within 16 km, and water (51%), trees (26%) and grassland (20%) within 80 km.

3 km
100 m
16 km
375 m
80 km
1,806 m
treesgrasslandartificial surfacesbare terrainwaterwetland
July weather nearby: Arraial do Cabo 9.0 km · São Pedro da Aldeia 9.0 km · Iguaba Grande 21 km · Buzios 22 km · Araruama 33 km · Rio das Ostras 41 km · Saquarema 45 km · Silva Jardim 46 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 Cabo Frio (-22.8872°, -42.0262°, elevation 13 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).