Portel weather in October

In October, Portel sees average daytime highs of 34°C and overnight lows near 24°C, with 29 mm of rain across 6.3 wet days and about 12 hours of daylight. It is the 1st-warmest and 11th-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 35% 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 06 min by month's end. Set against the rest of the year, October is Portel's 4th-clearest and 1st-windiest month. For the whole year in context, see Portel's year-round climate.

Daytime high
34°
1st warmest
Overnight low
24°
11th coldest
Rainfall
29 mm
6.3 wet days
Daylight
12 hours
6:07 AM – 6:10 PM
Cloud cover
54%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
6.36 kWh/m²
Travel score
3.4
out of 10

Portel is 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 Portel reaches about 34°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°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)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163424
173424
183424
193424
203424
213424
223424
233424
243424
253424
263424
273424
283424
293424
303424
313424

How October really feels in Portel

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.

Portel weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°23726.412.12.7
Feb30° / 23°30826.112.12.6
Mar30° / 24°36929.4122.6
Apr30° / 24°38929122.5
May31° / 24°28127.311.92.7
Jun31° / 23°14120.611.93.2
Jul32° / 23°9216.311.93.6
Aug33° / 24°449.511.93.7
Sep34° / 24°265.8123.6
Oct34° / 24°296.3123.4
Nov33° / 24°538.112.13.3
Dec32° / 24°11417.312.13.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27228
37228
47030
56931
66832
76733
86733
96535
106436
116337
126238
136139
146139
156139
166040
175941
185941
195941
205941
215842
225743
235743
245743
255644
265644
275545
285545
295446
305446
315248

Chance of precipitation in October

Any precipitation

Portel gets around 29 mm of rain over 6.3 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 20% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
117
217
318
418
518
619
719
819
920
1020
1120
1221
1321
1421
1521
1620
1720
1820
1920
2020
2121
2221
2321
2421
2521
2622
2722
2823
2923
3024
3124

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
138710
238710
338710
438710
548610
648610
748610
848610
948511
1048511
1148511
1248511
1348511
1448511
1548511
1658411
1758411
1858411
1958510
2058510
2158510
2258510
2358510
2458510
2558510
2658510
2758510
2858510
2958411
3058411
3148511

Wind in October

Winds average 9 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 12 h 06 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 6:12 AM to 6:05 AM, and sunset from 6:13 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:126:13
212.06:116:13
312.06:116:12
412.06:116:12
512.06:106:12
612.06:106:12
712.06:106:11
812.06:096:11
912.06:096:11
1012.06:096:11
1112.06:086:10
1212.06:086:10
1312.06:086:10
1412.06:086:10
1512.06:076:10
1612.06:076:10
1712.06:076:09
1812.06:076:09
1912.06:066:09
2012.06:066:09
2112.16:066:09
2212.16:066:09
2312.16:066:09
2412.16:056:09
2512.16:056:09
2612.16:056:09
2712.16:056:09
2812.16:056:09
2912.16:056:09
3012.16:056:09
3112.16:056:09

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.36 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 6.36 kWh/m² in October across the year — October's 6.36 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
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in October

Hazard calendar for Portel

In seasonPeak

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

Portel's monsoon runs January–May, 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 Portel?

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

3.4
Sightseeing
4th-best month of the year
6.6
Beach & pool
2nd-best month of the year

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

What to pack for Portel in October

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

In October, Portel sees daytime highs around 34°C and nights near 24°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Portel 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 Portel peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Portel 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 Portel is worst in November — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1221 µg/m³Jun 209 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar17Moderate
Apr14Moderate
May11Good
Jun9Good
Jul10Good
Aug11Good
Sep14Moderate
Oct19Moderate
Nov22Moderate
Dec15Moderate
Location & terrain

Where is Portel?

Portel sits at 1.9°S, 50.8°W, 12 m above sea level, in Brazil. The nearest listed city is Melgaço, 19 km away.

Topography around Portel

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

Within 3 km, the terrain around Portel has only modest variations in elevation — a maximum elevation change of 25 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 75 m.

The land around Portel is covered by water (76%) within 3 km, trees (65%) and water (25%) within 16 km, and trees (90%) within 80 km.

3 km
25 m
16 km
37 m
80 km
75 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Melgaço 19 km · Breves 47 km · Bagre 68 km · Oeiras do Pará 108 km · Gurupá 108 km · Curralinho 115 km · Anajás 144 km · São Sebastião da Boa Vista 145 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 Portel (-1.9356°, -50.8211°, elevation 12 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).