São Pedro da Aldeia weather in October

In October, São Pedro da Aldeia sees average daytime highs of 25°C and overnight lows near 21°C, with 75 mm of rain across 9.2 wet days and about 12.5 hours of daylight. It is the 8th-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 30% 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 São Pedro da Aldeia's 9th-clearest and 2nd-windiest month. For the whole year in context, see São Pedro da Aldeia's year-round climate.

Daytime high
25°
8th warmest
Overnight low
21°
6th coldest
Rainfall
75 mm
9.2 wet days
Daylight
12 h 30 min
6:17 AM – 6:50 PM
Cloud cover
60%
9th clearest
Wind
19 km/h
2nd windiest
Solar energy
5.79 kWh/m²
Travel score
7.0
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 São Pedro da Aldeia reaches about 25°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°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)
12421
22421
32421
42421
52421
62421
72421
82521
92521
102521
112521
122521
132521
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252521
262522
272522
282522
292522
302522
312522

São Pedro da Aldeia weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°13011.113.26.2
Feb28° / 24°838.412.86.5
Mar28° / 24°12612.912.26.1
Apr27° / 23°649.911.56.8
May25° / 21°579.810.97.2
Jun24° / 20°32610.68.0
Jul24° / 19°336.610.77.9
Aug24° / 20°316.211.28.0
Sep24° / 20°568.411.97.4
Oct25° / 21°759.212.57.0
Nov25° / 22°13913.313.16.1
Dec27° / 23°14213.213.46.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54654
64654
74654
84654
94654
104654
114654
124654
134654
144555
154555
164555
174456
184654
194654
204555
214555
224456
234456
244357
254357
264357
274258
284159
294159
304060
313961

Chance of precipitation in October

Any precipitation

São Pedro da Aldeia gets around 75 mm of rain over 9.2 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 30% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
330
430
529
628
728
827
927
1026
1126
1227
1327
1427
1527
1628
1728
1829
1930
2030
2131
2232
2333
2434
2534
2635
2735
2835
2936
3036
3137

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1310264814
2210254814
3210254815
4210244816
529244916
629234917
729225017
829215018
919205119
1019205119
1119195120
1219195120
1318185221
1418185221
1518175222
1618175222
1717175223
1817165323
1916165324
2016165225
2115165226
2205165326
2305175127
2405175028
2505175028
2605174929
2704174930
2804184830
2904174731
3004174632
3104174633

Wind in October

Winds average 19 km/h in October.

Across October, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light 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 6:31 AM to 6:07 AM, and sunset from 6:44 PM to 6:57 PM.

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

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.79 kWh/m².

For context, solar energy here swings from a low near 3.58 kWh/m² to a high of 6.51 kWh/m² in February across the year — October's 5.79 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.7Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in October

Hazard calendar for São Pedro da Aldeia

In seasonPeak

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

São Pedro da Aldeia's rainy season runs October–April, 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 São Pedro da Aldeia?

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

7.0
Sightseeing
6th-best month of the year
6.2
Beach & pool
10th-best month of the year

October is one of the better times to visit São Pedro da Aldeia for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Pedro da Aldeia in October

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

In October, São Pedro da Aldeia sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near São Pedro da Aldeia 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 24 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 São Pedro da Aldeia in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Pedro da Aldeia 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 São Pedro da Aldeia?

São Pedro da Aldeia sits at 22.8°S, 42.1°W, 19 m above sea level, in Brazil. The nearest listed city is Cabo Frio, 9.0 km away.

Topography around São Pedro da Aldeia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Pedro da Aldeia.

Within 3 km, the terrain around São Pedro da Aldeia has only modest variations in elevation — a maximum elevation change of 131 m around an average of 6 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 2,215 m.

The land around São Pedro da Aldeia is covered by water (45%) and artificial surfaces (25%) within 3 km, water (36%) and grassland (33%) within 16 km, and water (47%), trees (29%) and grassland (21%) within 80 km.

3 km
131 m
16 km
297 m
80 km
2,215 m
treesgrasslandartificial surfacesbare terrainwaterwetland
October weather nearby: Cabo Frio 9.0 km · Iguaba Grande 13 km · Arraial do Cabo 16 km · Buzios 25 km · Araruama 25 km · Silva Jardim 36 km · Saquarema 38 km · Rio das Ostras 38 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 São Pedro da Aldeia (-22.8392°, -42.1028°, elevation 19 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).