Itariri weather in October

In October, Itariri sees average daytime highs of 25°C and overnight lows near 18°C, with 141 mm of rain across 17.5 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 9% 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 54 min by month's end. Set against the rest of the year, October is Itariri's 12th-clearest and 2nd-windiest month. For the whole year in context, see Itariri's year-round climate.

Daytime high
25°
7th warmest
Overnight low
18°
6th coldest
Rainfall
141 mm
17.5 wet days
Daylight
12 h 36 min
6:36 AM – 7:11 PM
Cloud cover
80%
12th clearest
Wind
7 km/h
2nd windiest
Solar energy
4.58 kWh/m²
Travel score
5.4
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical October day in Itariri reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, October runs about 1°C warmer than September and about 1°C cooler than November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32417
42417
52417
62417
72417
82417
92518
102518
112518
122518
132518
142518
152518
162518
172518
182518
192518
202518
212518
222518
232518
242518
252518
262518
272518
282518
292518
302518
312518

Itariri 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° / 22°30125.913.33.5
Feb29° / 22°26722.712.83.6
Mar28° / 21°23123.712.24.2
Apr26° / 19°12515.111.45.7
May24° / 16°10712.410.86.5
Jun23° / 15°809.210.56.9
Jul22° / 14°839.610.66.9
Aug23° / 15°739.511.26.9
Sep24° / 16°12813.911.86.1
Oct25° / 18°14117.512.65.4
Nov26° / 19°16618.913.25.0
Dec28° / 21°21321.813.54.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51882
61882
71981
81981
91882
101882
111882
121882
131882
141783
151783
161783
171783
181882
191783
201783
211783
221882
231882
241882
251981
261981
271981
281981
291981
302179
312179

Chance of precipitation in October

Any precipitation

Itariri gets around 141 mm of rain over 17.5 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 57% and peaks near 58% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
157
258
358
457
557
657
757
857
957
1057
1157
1257
1357
1457
1557
1657
1757
1857
1957
2057
2157
2257
2357
2457
2557
2657
2757
2857
2957
3057
3157

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 46% 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 (%)
151742342
241741352
341641363
441640373
531539384
631538405
731437415
831436426
921335437
1021334447
1121233458
1221232459
1321232469
1421131479
15111304710
16111294810
17110294910
18110285011
19110285011
2019285111
2119275211
2219275211
2319275211
2419275112
25110275012
26110265112
27110265112
28110265112
29110265013
30110265013
31110255014

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 6:51 AM to 6:25 AM, and sunset from 7:04 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:517:04
212.26:507:05
312.36:497:05
412.36:487:06
512.36:477:06
612.36:467:06
712.46:457:07
812.46:447:07
912.46:437:08
1012.46:427:08
1112.56:417:09
1212.56:407:09
1312.56:397:10
1412.56:387:10
1512.66:377:11
1612.66:367:11
1712.66:367:12
1812.66:357:12
1912.66:347:13
2012.76:337:13
2112.76:327:14
2212.76:317:14
2312.76:317:15
2412.86:307:15
2512.86:297:16
2612.86:287:16
2712.86:287:17
2812.86:277:18
2912.96:267:18
3012.96:267:19
3112.96:257:19

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.58 kWh/m².

For context, solar energy here swings from a low near 2.9 kWh/m² to a high of 5.5 kWh/m² in December across the year — October's 4.58 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in October

Hazard calendar for Itariri

In seasonPeak

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

Itariri'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 Itariri?

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

5.4
Sightseeing
7th-best month of the year
4.8
Beach & pool
8th-best month of the year

October is a reasonable time to visit Itariri for sightseeing.

What to pack for Itariri in October

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

In October, Itariri sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

Sea temperature near Itariri 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 32 km away) is warmest in February at about 27°C and coldest in August near 20°C.

It's comfortable for a long swim from Aug 19 to Aug 9 — about 11.7 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul20Refreshing
Aug20Cool
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Itariri in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Itariri peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 21UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7High
Sep7High
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Itariri in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Itariri is worst in July — around 33 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 17 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 2033 µg/m³Jan 1817 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb17Moderate
Mar18Moderate
Apr20Moderate
May24Moderate
Jun30Moderate
Jul33Moderate
Aug32Moderate
Sep29Moderate
Oct21Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Itariri?

Itariri sits at 24.3°S, 47.2°W, 60 m above sea level, in Brazil. The nearest listed city is Peruíbe, 18 km away.

Topography around Itariri

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

Within 3 km, the terrain around Itariri has significant variations in elevation — a maximum elevation change of 345 m around an average of 97 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,374 m.

The land around Itariri is covered by trees (84%) within 3 km, trees (96%) within 16 km, and trees (60%) and water (32%) within 80 km.

3 km
345 m
16 km
1,402 m
80 km
1,374 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Peruíbe 18 km · Miracatu 29 km · Itanhaém 41 km · Juquitiba 41 km · Juquiá 47 km · São Lourenço da Serra 54 km · Mongaguá 60 km · Iguape 60 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 Itariri (-24.2892°, -47.1744°, elevation 60 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).