Araruama weather in July

In July, Araruama sees average daytime highs of 24°C and overnight lows near 18°C, with 45 mm of rain across 7.8 wet days and about 10.7 hours of daylight. It is the 12th-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 54% of the time in July, and the air most often feels humid.

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 Araruama's 1st-clearest and 6th-windiest month. For the whole year in context, see Araruama's year-round climate.

Daytime high
24°
12th warmest
Overnight low
18°
1st coldest
Rainfall
45 mm
7.8 wet days
Daylight
10 h 42 min
7:33 AM – 6:17 PM
Cloud cover
40%
1st clearest
Wind
12 km/h
6th windiest
Solar energy
3.64 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 24°C through the month.

A typical July day in Araruama reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 27°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)
12519
22519
32519
42419
52419
62419
72419
82419
92419
102418
112418
122418
132418
142418
152418
162418
172418
182418
192418
202418
212418
222418
232418
242418
252418
262418
272418
282418
292418
302418
312418

How July really feels in Araruama

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Araruama weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°17815.413.25.0
Feb29° / 24°12211.712.85.2
Mar28° / 23°16316.112.25.2
Apr27° / 22°8511.511.56.4
May25° / 20°7410.910.96.9
Jun25° / 19°436.910.67.7
Jul24° / 18°457.810.77.7
Aug24° / 19°427.211.27.7
Sep25° / 20°741011.97.0
Oct26° / 21°9411.112.56.5
Nov26° / 22°17215.913.15.6
Dec28° / 23°18916.913.45.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46931
56832
66832
76931
86832
96832
106832
116832
126733
136733
146832
156832
166832
176832
186733
196832
206832
216931
226931
236931
246931
257030
267030
277030
286931
296931
306931
316931

Chance of precipitation in July

Any precipitation

Araruama gets around 45 mm of rain over 7.8 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
122
222
323
424
524
625
726
826
927
1027
1127
1227
1327
1427
1526
1626
1726
1825
1925
2024
2124
2224
2324
2423
2523
2624
2724
2824
2924
3024
3124

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 37% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12942471
221042461
321042451
421143441
521243430
621244420
721345400
821345390
921446380
1021447370
1121548360
1221548350
1321549340
1421549340
1521549340
1621549340
1721548340
1821548350
1931547350
2031547350
2131546360
2231546360
2331546360
2431546360
2531646350
2631646350
2731646350
2831645350
2931745350
3031745350
3131745340

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

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 7:34 AM to 7:28 AM, and sunset from 6:11 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:346:11
210.67:346:11
310.67:346:12
410.67:346:12
510.67:356:12
610.67:346:13
710.67:346:13
810.77:346:13
910.77:346:14
1010.77:346:14
1110.77:346:15
1210.77:346:15
1310.77:346:15
1410.77:346:16
1510.77:346:16
1610.77:336:17
1710.77:336:17
1810.77:336:17
1910.87:336:18
2010.87:326:18
2110.87:326:19
2210.87:326:19
2310.87:316:20
2410.87:316:20
2510.87:316:20
2610.87:306:21
2710.97:306:21
2810.97:296:22
2910.97:296:22
3010.97:286:23
3110.97:286:23

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.64 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 6.32 kWh/m² in February across the year — July's 3.64 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
314.0Moderate
Planning a trip in July

Hazard calendar for Araruama

In seasonPeak

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

Araruama'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 July a good time to visit Araruama?

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

7.7
Sightseeing
1st-best month of the year
6.6
Beach & pool
3rd-best month of the year

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

What to pack for Araruama in July

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

In July, Araruama sees daytime highs around 24°C and nights near 18°C. Worth packing: light clothes. About 8 days see rain.

light clothes

Sea temperature near Araruama 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 28 km away) is warmest in March at about 26°C and coldest in September near 22°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Araruama 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 Araruama peaks around January 14 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 14UV 14Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug8Very high
Sep7High
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Araruama?

Araruama sits at 22.9°S, 42.3°W, 20 m above sea level, in Brazil. The nearest listed city is Iguaba Grande, 12 km away.

Topography around Araruama

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

Within 3 km, the terrain around Araruama has only modest variations in elevation — a maximum elevation change of 67 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 584 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around Araruama is covered by artificial surfaces (50%) and water (22%) within 3 km, water (37%), grassland (32%) and trees (21%) within 16 km, and water (45%) and trees (31%) within 80 km.

3 km
67 m
16 km
584 m
80 km
2,252 m
treesgrasslandartificial surfaceswaterwetland
July weather nearby: Iguaba Grande 12 km · Saquarema 13 km · São Pedro da Aldeia 25 km · Silva Jardim 25 km · Cabo Frio 33 km · Rio Bonito 33 km · Arraial do Cabo 34 km · Tanguá 41 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 Araruama (-22.8728°, -42.3431°, elevation 20 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).