Iguaba Grande weather in October

In October, Iguaba Grande sees average daytime highs of 26°C and overnight lows near 21°C, with 94 mm of rain across 11.1 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 6th-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 27% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 48 min by month's end. Set against the rest of the year, October is Iguaba Grande's 9th-clearest and 2nd-windiest month. For the whole year in context, see Iguaba Grande's year-round climate.

Daytime high
26°
7th warmest
Overnight low
21°
6th coldest
Rainfall
94 mm
11.1 wet days
Daylight
12 h 30 min
6:18 AM – 6:50 PM
Cloud cover
62%
9th clearest
Wind
15 km/h
2nd windiest
Solar energy
5.58 kWh/m²
Travel score
6.5
out of 10

Iguaba Grande is settlement in Brazil.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical October day in Iguaba Grande reaches about 26°C in the afternoon and slips back to 21°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 29°C. Set against its neighbours, October runs on par with September and on par with November.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12520
22520
32520
42520
52520
62520
72520
82520
92521
102521
112521
122521
132621
142621
152621
162621
172621
182621
192621
202621
212621
222621
232621
242621
252621
262621
272621
282621
292621
302621
312621

How October really feels in Iguaba Grande

Once humidity and wind are folded in, October 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

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

Iguaba Grande weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54258
64357
74357
84357
94357
104357
114357
124357
134258
144258
154258
164258
174357
184357
194357
204258
214258
224159
234159
244159
253961
263961
273862
283862
293664
303664
313664

Chance of precipitation in October

Any precipitation

Iguaba Grande gets around 94 mm of rain over 11.1 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
437
536
635
734
834
933
1033
1133
1233
1333
1433
1533
1634
1734
1835
1936
2036
2137
2238
2339
2440
2540
2641
2742
2842
2943
3044
3144

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
139284515
239284515
339274516
429264616
529264617
629254718
729244718
829234819
918224919
1018224920
1118214920
1218205021
1318205022
1418195022
1517195023
1617185123
1716185124
1816185025
1916175125
2015175126
2115175027
2205175028
2305175028
2404174929
2504184829
2604184830
2704184730
2804184730
2904184731
3004184632
3104174632

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over October. Sunrise moves from 6:32 AM to 6:07 AM, and sunset from 6:44 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:326:44
212.26:316:45
312.36:306:45
412.36:296:45
512.36:286:46
612.36:276:46
712.36:266:46
812.46:256:47
912.46:246:47
1012.46:236:48
1112.46:226:48
1212.56:216:48
1312.56:206:49
1412.56:196:49
1512.56:196:50
1612.56:186:50
1712.66:176:51
1812.66:166:51
1912.66:156:52
2012.66:156:52
2112.66:146:52
2212.76:136:53
2312.76:126:53
2412.76:126:54
2512.76:116:54
2612.76:106:55
2712.86:106:56
2812.86:096:56
2912.86:086:57
3012.86:086:57
3112.86:076:58

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.58 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 — October's 5.58 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in October

Hazard calendar for Iguaba Grande

In seasonPeak

In October, Iguaba Grande sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Iguaba Grande'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 October a good time to visit Iguaba Grande?

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

6.5
Sightseeing
6th-best month of the year
6.0
Beach & pool
10th-best month of the year

October is a reasonable time to visit Iguaba Grande for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Iguaba Grande in October

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

In October, Iguaba Grande sees daytime highs around 26°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Iguaba Grande in October

The nearest coast averages about 22°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 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 Iguaba Grande in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iguaba Grande 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 Iguaba Grande?

Iguaba Grande sits at 22.8°S, 42.2°W, 17 m above sea level, in Brazil. The nearest listed city is Araruama, 12 km away.

Topography around Iguaba Grande

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

Within 3 km, the terrain around Iguaba Grande has only modest variations in elevation — a maximum elevation change of 113 m around an average of 16 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 297 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,252 m.

The land around Iguaba Grande is covered by grassland (32%), water (26%) and artificial surfaces (25%) within 3 km, grassland (38%) and water (35%) within 16 km, and water (45%), trees (30%) and grassland (21%) within 80 km.

3 km
113 m
16 km
297 m
80 km
2,252 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Araruama 12 km · São Pedro da Aldeia 13 km · Cabo Frio 21 km · Arraial do Cabo 25 km · Saquarema 26 km · Silva Jardim 27 km · Buzios 37 km · Casimiro de Abreu 40 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 Iguaba Grande (-22.8392°, -42.2289°, elevation 17 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).