Peritoró weather in October

In October, Peritoró sees average daytime highs of 35°C and overnight lows near 24°C, with 17 mm of rain across 3 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 51% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is Peritoró's 4th-clearest and 1st-windiest month. For the whole year in context, see Peritoró's year-round climate.

Daytime high
35°
1st warmest
Overnight low
24°
11th coldest
Rainfall
17 mm
3 wet days
Daylight
12 h 06 min
5:39 AM – 5:45 PM
Cloud cover
45%
4th clearest
Wind
8 km/h
1st windiest
Solar energy
6.33 kWh/m²
Travel score
3.0
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical October day in Peritoró reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 37°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153524
163524
173524
183524
193524
203524
213524
223524
233524
243524
253524
263524
273524
283524
293524
303524
313524

How October really feels in Peritoró

Once humidity and wind are folded in, October averages 31 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
31
21 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Peritoró weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°25125.312.22.7
Feb31° / 23°26224.912.12.6
Mar31° / 23°33629.2122.6
Apr31° / 23°28126.611.92.8
May31° / 23°1331811.83.6
Jun32° / 23°30611.84.6
Jul32° / 22°122.311.84.6
Aug34° / 22°40.711.94.0
Sep35° / 23°81.3123.3
Oct35° / 24°17312.13.0
Nov34° / 24°507.812.23.0
Dec33° / 24°12814.912.22.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 26% of October, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38614
48614
58515
68515
78416
88416
98416
108317
118317
128119
138119
148119
158020
168020
177921
187723
197723
207624
217426
227327
237228
247030
256931
266733
276634
286535
296436
306238
316238

Chance of precipitation in October

Any precipitation

Peritoró gets around 17 mm of rain over 3 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 10% and peaks near 16% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
66
76
86
97
108
118
129
139
1410
1510
1611
1711
1811
1912
2012
2112
2213
2313
2413
2513
2614
2714
2815
2915
3015
3116

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
139610
239610
339610
439610
539610
639610
739610
839610
939610
1039610
1138620
1238611
1337621
1436631
1536631
1635641
1735641
1834651
1933661
2033661
2132671
2232671
2331681
2431681
2531681
2630691
2730691
2830691
2929701
3028711
3128711

Wind in October

Winds average 8 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 7 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
287calm
297calm
307calm
317calm

Sunrise & sunset in October

DaylightNight

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

Days grow by about 12 minutes over October. Sunrise moves from 5:45 AM to 5:36 AM, and sunset from 5:47 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:455:47
212.05:455:47
312.05:445:47
412.15:445:47
512.15:435:47
612.15:435:47
712.15:435:46
812.15:425:46
912.15:425:46
1012.15:415:46
1112.15:415:46
1212.15:415:46
1312.15:405:46
1412.15:405:45
1512.15:405:45
1612.15:395:45
1712.15:395:45
1812.15:395:45
1912.15:395:45
2012.15:385:45
2112.15:385:45
2212.15:385:45
2312.15:385:45
2412.15:375:45
2512.15:375:45
2612.15:375:45
2712.15:375:45
2812.15:375:45
2912.15:375:45
3012.15:365:45
3112.25:365:45

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.33 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.33 kWh/m² in September across the year — October's 6.33 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in October

Hazard calendar for Peritoró

In seasonPeak

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

Peritoró's monsoon runs January–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Peritoró?

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

3.0
Sightseeing
6th-best month of the year
6.4
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Peritoró. The water and warmth also suit a beach or pool day.

What to pack for Peritoró in October

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

In October, Peritoró sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Peritoró 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 Peritoró peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Peritoró 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 Peritoró is worst in October — around 35 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 2134 µg/m³Jun 159 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May10Good
Jun9Good
Jul11Good
Aug13Moderate
Sep19Moderate
Oct35Moderate
Nov30Moderate
Dec23Moderate
Location & terrain

Where is Peritoró?

Peritoró sits at 4.4°S, 44.3°W, 47 m above sea level, in Brazil. The nearest listed city is Alto Alegre do Maranhão, 23 km away.

Topography around Peritoró

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

Within 3 km, the terrain around Peritoró has only modest variations in elevation — a maximum elevation change of 83 m around an average of 57 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, only modest variations in elevation — a maximum elevation change of 227 m.

The land around Peritoró is covered by grassland (68%) within 3 km, trees (59%) and grassland (35%) within 16 km, and trees (52%) and grassland (42%) within 80 km.

3 km
83 m
16 km
128 m
80 km
227 m
treesshrubsgrasslandartificial surfaces
October weather nearby: Alto Alegre do Maranhão 23 km · Pedreiras 35 km · Coroatá 36 km · São Luís Gonzaga do Maranhão 37 km · Trizidela do Vale 38 km · São Mateus do Maranhão 41 km · Timbiras 46 km · Codó 50 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 Peritoró (-4.3833°, -44.3333°, elevation 47 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. 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).