Bertioga weather in October

In October, Bertioga sees average daytime highs of 24°C and overnight lows near 17°C, with 180 mm of rain across 18 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 24°C through the month. The sky is clear or mostly clear about 11% of the time in October, and the air most often feels humid.

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 Bertioga's 10th-clearest and 2nd-windiest month. For the whole year in context, see Bertioga's year-round climate.

Daytime high
24°
7th warmest
Overnight low
17°
6th coldest
Rainfall
180 mm
18 wet days
Daylight
12 h 36 min
6:33 AM – 7:07 PM
Cloud cover
79%
10th clearest
Wind
8 km/h
2nd windiest
Solar energy
5.13 kWh/m²
Travel score
5.4
out of 10

Bertioga is human 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 24°C through the month.

A typical October day in Bertioga reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62417
72417
82417
92417
102417
112417
122417
132417
142417
152517
162517
172517
182517
192517
202517
212517
222517
232517
242517
252517
262518
272518
282518
292518
302518
312518

Bertioga 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
Jan28° / 21°40527.313.33.8
Feb28° / 21°3402412.83.9
Mar27° / 20°32925.812.24.2
Apr26° / 18°14616.811.55.6
May23° / 16°11113.210.96.3
Jun23° / 15°829.410.66.9
Jul22° / 14°949.210.76.9
Aug23° / 14°819.811.26.9
Sep23° / 16°14614.811.96.0
Oct24° / 17°1801812.65.4
Nov25° / 18°24321.313.24.8
Dec27° / 20°30224.813.44.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22476
32476
42476
52476
62476
72476
82476
92476
102377
112278
122278
132278
142278
152179
162080
171981
181981
191981
201981
211981
221981
232080
242080
251981
261981
271981
282080
292080
302179
312179

Chance of precipitation in October

Any precipitation

Bertioga gets around 180 mm of rain over 18 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 59% and peaks near 63% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
159
259
358
457
557
656
755
855
955
1055
1156
1256
1357
1457
1558
1659
1759
1860
1961
2061
2162
2262
2362
2462
2562
2662
2762
2862
2963
3063
3163

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162446231
262346251
362345261
452245281
552144291
652043311
751943331
851842341
941741361
1041741371
1141640381
1241640391
1331540402
1431540402
1531440412
1621440422
1721440422
1821340432
1921339432
2021339443
2121339443
2221339443
2321339443
2421338443
2521338443
2621338443
2721337453
2821337453
2921336463
3021336472
3121335472

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:47 AM to 6:22 AM, and sunset from 7:00 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:477:00
212.26:467:01
312.36:457:01
412.36:447:01
512.36:437:02
612.36:427:02
712.46:417:03
812.46:407:03
912.46:397:03
1012.46:387:04
1112.56:377:04
1212.56:367:05
1312.56:357:05
1412.56:347:06
1512.56:337:06
1612.66:337:07
1712.66:327:07
1812.66:317:08
1912.66:307:08
2012.76:297:09
2112.76:287:09
2212.76:287:10
2312.76:277:10
2412.76:267:11
2512.86:257:11
2612.86:257:12
2712.86:247:12
2812.86:237:13
2912.86:237:13
3012.96:227:14
3112.96:227:15

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.13 kWh/m².

For context, solar energy here swings from a low near 3.21 kWh/m² to a high of 5.85 kWh/m² in December across the year — October's 5.13 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Hazard calendar for Bertioga

In seasonPeak

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

Bertioga's rainy season runs November–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 Bertioga?

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
4.7
Beach & pool
7th-best month of the year

October is a reasonable time to visit Bertioga for sightseeing.

What to pack for Bertioga in October

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

In October, Bertioga sees daytime highs around 24°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

Sea temperature near Bertioga 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 offshore is warmest in February at about 27°C and coldest in August near 21°C.

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

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Bertioga 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 Bertioga peaks around February 10 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 highExtremeFeb 10UV 14Jul 12UV 5
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar10Very high
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep7Very high
Oct10Extreme
Nov13Extreme
Dec13Extreme

Air quality in Bertioga 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 Bertioga is worst in July — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (February, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1451 µg/m³Feb 1225 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb24Moderate
Mar26Moderate
Apr28Moderate
May36Poor
Jun49Poor
Jul52Poor
Aug47Poor
Sep41Poor
Oct31Moderate
Nov25Moderate
Dec26Moderate
Location & terrain

Where is Bertioga?

Bertioga sits at 23.9°S, 46.1°W, 8 m above sea level, in Brazil. The nearest listed city is Guarujá, 20 km away.

Topography around Bertioga

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

Within 3 km, the terrain around Bertioga has significant variations in elevation — a maximum elevation change of 272 m around an average of 16 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,178 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,434 m.

The land around Bertioga is covered by water (43%) and trees (26%) within 3 km, trees (53%) and water (39%) within 16 km, and water (45%) and trees (36%) within 80 km.

3 km
272 m
16 km
1,178 m
80 km
1,434 m
treesgrasslandartificial surfacesbare terrainwatermangroves
October weather nearby: Guarujá 20 km · Santos 23 km · São Vicente 28 km · Rio Grande da Serra 29 km · Cubatão 29 km · Praia Grande 32 km · Ribeirão Pires 32 km · Biritiba Mirim 33 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 Bertioga (-23.8544°, -46.1386°, elevation 8 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).