Porto Franco weather in October

In October, Porto Franco sees average daytime highs of 34°C and overnight lows near 24°C, with 50 mm of rain across 8.5 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 36% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 12 min by month's end. Set against the rest of the year, October is Porto Franco's 5th-clearest and 5th-windiest month. For the whole year in context, see Porto Franco's year-round climate.

Daytime high
34°
4th warmest
Overnight low
24°
12th coldest
Rainfall
50 mm
8.5 wet days
Daylight
12 h 06 min
5:50 AM – 5:59 PM
Cloud cover
55%
5th clearest
Wind
7 km/h
5th windiest
Solar energy
5.93 kWh/m²
Travel score
3.3
out of 10

Porto Franco 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 34°C through the month.

A typical October day in Porto Franco reaches about 34°C in the afternoon and slips back to 24°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, October runs about 1°C cooler than September and about 2°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How October really feels in Porto Franco

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
heat index over the day's high
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.

Porto Franco weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°21125.812.32.9
Feb30° / 23°21324.612.22.8
Mar31° / 23°22926.9122.8
Apr31° / 23°15220.911.93.2
May32° / 23°7511.611.73.9
Jun33° / 22°61.511.64.2
Jul34° / 22°40.611.74.0
Aug35° / 22°20.411.83.3
Sep35° / 23°142.4123.2
Oct34° / 24°508.512.13.3
Nov32° / 23°11515.912.33.3
Dec31° / 23°1532112.43.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 22% of October, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47030
56931
66832
76733
86634
96634
106436
116337
126238
136139
146040
155941
165842
175743
185644
195545
205446
215347
225149
235050
245050
254951
264852
274753
284654
294654
304555
314357

Chance of precipitation in October

Any precipitation

Porto Franco gets around 50 mm of rain over 8.5 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 27% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
115
216
316
416
517
617
718
819
919
1020
1121
1222
1323
1425
1526
1627
1728
1829
1930
2031
2133
2234
2335
2436
2537
2638
2739
2840
2941
3041
3142

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1175141
2175042
3065143
4065044
5055045
6055045
7054946
8054947
9044847
10044848
11044749
12044650
13044551
14044452
15034354
16034156
17034057
18033859
19023662
20023464
21023266
22022969
23012772
24012673
25012475
26012277
27002179
28001981
29001882
30001783
31001684

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 6 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
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min 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 6 minutes over October. Sunrise moves from 5:57 AM to 5:46 AM, and sunset from 6:00 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:576:00
212.15:566:00
312.15:566:00
412.15:556:00
512.15:556:00
612.15:556:00
712.15:545:59
812.15:545:59
912.15:535:59
1012.15:535:59
1112.15:525:59
1212.15:525:59
1312.15:515:59
1412.15:515:59
1512.15:515:59
1612.15:505:59
1712.15:505:59
1812.25:505:59
1912.25:495:59
2012.25:495:59
2112.25:495:59
2212.25:485:59
2312.25:485:59
2412.25:485:59
2512.25:485:59
2612.25:475:59
2712.25:475:59
2812.25:475:59
2912.25:476:00
3012.25:476:00
3112.25:466:00

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.93 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.21 kWh/m² in September across the year — October's 5.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in October

Hazard calendar for Porto Franco

In seasonPeak

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

Porto Franco's monsoon runs November–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 Porto Franco?

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

3.3
Sightseeing
4th-best month of the year
6.3
Beach & pool
5th-best month of the year

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

What to pack for Porto Franco in October

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

In October, Porto Franco sees daytime highs around 34°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Porto Franco 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 Porto Franco peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 11UV 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Porto Franco 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 Porto Franco is worst in September — around 25 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (June, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 2325 µg/m³Jun 187 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar12Moderate
Apr12Good
May9Good
Jun6Good
Jul8Good
Aug17Moderate
Sep25Moderate
Oct25Moderate
Nov22Moderate
Dec17Moderate
Location & terrain

Where is Porto Franco?

Porto Franco sits at 6.3°S, 47.4°W, 165 m above sea level, in Brazil. The nearest listed city is Tocantinópolis, 2.0 km away.

Topography around Porto Franco

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

Within 3 km, the terrain around Porto Franco has only modest variations in elevation — a maximum elevation change of 66 m around an average of 152 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 180 m; within 80 km, significant variations in elevation — a maximum elevation change of 557 m.

The land around Porto Franco is covered by trees (36%) and grassland (29%) within 3 km, trees (50%) and grassland (43%) within 16 km, and trees (47%) and grassland (47%) within 80 km.

3 km
66 m
16 km
180 m
80 km
557 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Tocantinópolis 2.0 km · Estreito 25 km · Governador Edison Lobão 66 km · Imperatriz 91 km · Sítio Novo 93 km · João Lisboa 99 km · Araguatins 110 km · Carolina 111 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 Porto Franco (-6.3383°, -47.3992°, elevation 165 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).