Barcelos weather in October

In October, Barcelos sees average daytime highs of 32°C and overnight lows near 24°C, with 156 mm of rain across 22.5 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 32°C through the month. The sky is clear or mostly clear about 9% of the time in October, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of October to 12 hours by month's end. Set against the rest of the year, October is Barcelos's 4th-clearest and 8th-windiest month. For the whole year in context, see Barcelos's year-round climate.

Daytime high
32°
1st warmest
Overnight low
24°
11th coldest
Rainfall
156 mm
22.5 wet days
Daylight
12 hours
5:56 AM – 5:57 PM
Cloud cover
77%
4th clearest
Wind
4 km/h
8th windiest
Solar energy
5.15 kWh/m²
Travel score
2.9
out of 10

Barcelos is locality in Amazonas, 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 32°C through the month.

A typical October day in Barcelos reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224
313224

How October really feels in Barcelos

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
31 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.

Barcelos 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°20622.312.13.2
Feb31° / 24°19219.6123.3
Mar30° / 24°27524.7123.1
Apr30° / 24°35027.4122.8
May29° / 24°39229.6122.8
Jun29° / 23°28427.811.92.9
Jul30° / 23°21326.711.93.1
Aug31° / 23°15123.4123.1
Sep32° / 24°15621.8123.0
Oct32° / 24°15622.5122.9
Nov31° / 24°17822.4122.9
Dec31° / 24°21125.812.12.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23070
33070
43070
52872
62872
72872
82773
92674
102674
112575
122575
132476
142476
152476
162476
172476
182476
192476
202476
212476
222377
232377
242377
252278
262179
272179
282179
291981
301981
311981

Chance of precipitation in October

Any precipitation

Barcelos gets around 156 mm of rain over 22.5 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 72% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
169
269
370
470
571
671
772
873
973
1074
1174
1275
1375
1475
1575
1674
1774
1873
1973
2072
2172
2272
2372
2472
2572
2672
2772
2872
2972
3072
3172

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11783
21783
31783
41684
51684
61684
71684
81684
91585
101585
111585
121585
131585
141585
151684
161684
171684
181684
191684
201585
211585
221585
231585
241486
251486
261486
271486
281387
291387
301288
311288

Wind in October

Winds average 4 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

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

Days grow by about 0 minutes over October. Sunrise moves from 6:00 AM to 5:54 AM, and sunset from 6:01 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:006:01
212.06:006:01
312.06:006:00
412.05:596:00
512.05:596:00
612.05:596:00
712.05:585:59
812.05:585:59
912.05:585:59
1012.05:585:59
1112.05:575:58
1212.05:575:58
1312.05:575:58
1412.05:575:58
1512.05:565:58
1612.05:565:57
1712.05:565:57
1812.05:565:57
1912.05:555:57
2012.05:555:57
2112.05:555:57
2212.05:555:57
2312.05:555:57
2412.05:555:56
2512.05:555:56
2612.05:555:56
2712.05:545:56
2812.05:545:56
2912.05:545:56
3012.05:545:56
3112.05:545:56

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.15 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.48 kWh/m² to a high of 5.15 kWh/m² in October across the year — October's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in October

Is October a good time to visit Barcelos?

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

2.9
Sightseeing
7th-best month of the year
4.5
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Barcelos.

What to pack for Barcelos in October

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

In October, Barcelos sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Barcelos 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 Barcelos peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 12UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec12Extreme

Air quality in Barcelos 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 Barcelos is worst in March — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1518 µg/m³Jun 1910 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar19Moderate
Apr16Moderate
May11Good
Jun10Good
Jul10Good
Aug14Moderate
Sep13Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Barcelos?

Barcelos sits at 1.0°S, 62.9°W, 35 m above sea level, in Brazil. The nearest listed city is Novo Airão, 287 km away.

Novo AirãoMaraãAlvarãesUariniTeféCodajásAnoriPresidente Figueiredo

Topography around Barcelos

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

Within 3 km, the terrain around Barcelos has only modest variations in elevation — a maximum elevation change of 37 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 44 m; within 80 km, only modest variations in elevation — a maximum elevation change of 50 m.

The land around Barcelos is covered by trees (66%) and water (21%) within 3 km, trees (79%) within 16 km, and trees (90%) within 80 km.

3 km
37 m
16 km
44 m
80 km
50 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Novo Airão 287 km · Maraã 310 km · Alvarães 325 km · Uarini 330 km · Tefé 333 km · Codajás 333 km · Anori 342 km · Presidente Figueiredo 343 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 Barcelos (-0.9736°, -62.9269°, elevation 35 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).