Trairão weather in October

In October, Trairão sees average daytime highs of 33°C and overnight lows near 24°C, with 127 mm of rain across 17.9 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 16% 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 Trairão's 5th-clearest and 1st-windiest month. For the whole year in context, see Trairão's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
24°
12th coldest
Rainfall
127 mm
17.9 wet days
Daylight
12 h 06 min
6:26 AM – 6:32 PM
Cloud cover
70%
5th clearest
Wind
5 km/h
1st windiest
Solar energy
5.67 kWh/m²
Travel score
2.7
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical October day in Trairão reaches about 33°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 30°C and 35°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13424
23424
33424
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How October really feels in Trairão

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.

Trairão weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°2832812.22.7
Feb30° / 23°29026.112.12.7
Mar30° / 23°32329.4122.7
Apr30° / 23°29828.711.92.6
May30° / 23°20826.211.83.0
Jun31° / 23°8315.411.73.8
Jul32° / 23°5611.811.83.9
Aug33° / 23°5010.411.93.4
Sep34° / 24°8214.4122.9
Oct33° / 24°12717.912.12.7
Nov32° / 24°17320.812.22.7
Dec31° / 23°22325.412.32.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44159
54060
63961
73961
83862
93862
103664
113565
123466
133466
143367
153367
163367
173367
183268
193268
203169
213169
223169
232971
242872
252872
262773
272674
282674
292575
302575
312575

Chance of precipitation in October

Any precipitation

Trairão gets around 127 mm of rain over 17.9 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 58% and peaks near 65% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
152
253
353
454
554
655
755
855
956
1056
1157
1257
1358
1458
1558
1658
1759
1859
1959
2059
2159
2260
2360
2461
2561
2662
2762
2863
2964
3064
3165

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
116435
216435
316435
416336
516336
616237
716138
816138
916039
1015940
1115940
1215841
1315841
1415742
1515742
1615643
1715643
1815643
1915544
2015544
2115544
2215445
2325345
2425246
2525246
2625147
2725048
2825048
2924949
3024850
3124751

Wind in October

Winds average 5 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
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 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 6:32 AM to 6:23 AM, and sunset from 6:34 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:326:34
212.06:316:34
312.06:316:34
412.16:306:33
512.16:306:33
612.16:296:33
712.16:296:33
812.16:296:33
912.16:286:33
1012.16:286:32
1112.16:276:32
1212.16:276:32
1312.16:276:32
1412.16:266:32
1512.16:266:32
1612.16:266:32
1712.16:256:32
1812.16:256:32
1912.16:256:32
2012.16:256:32
2112.16:246:32
2212.16:246:32
2312.16:246:32
2412.16:246:32
2512.16:236:32
2612.16:236:32
2712.16:236:32
2812.16:236:32
2912.26:236:32
3012.26:236:32
3112.26:236:32

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.67 kWh/m².

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 5.73 kWh/m² in September across the year — October's 5.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in October

Hazard calendar for Trairão

In seasonPeak

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

Trairão's rainy season runs November–May, 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 Trairão?

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

2.7
Sightseeing
6th-best month of the year
4.9
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Trairão.

What to pack for Trairão in October

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

In October, Trairão sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Trairão in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Trairão peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 10UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep10Extreme
Oct10Extreme
Nov10Extreme
Dec11Extreme

Air quality in Trairão 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 Trairão is worst in August — around 47 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (June, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateAug 2447 µg/m³Jun 119 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar13Moderate
Apr12Moderate
May10Good
Jun9Good
Jul15Moderate
Aug47Poor
Sep47Poor
Oct39Poor
Nov32Moderate
Dec20Moderate
Location & terrain

Where is Trairão?

Trairão sits at 4.6°S, 55.9°W, 79 m above sea level, in Brazil. The nearest listed city is Itaituba, 33 km away.

Topography around Trairão

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

Within 3 km, the terrain around Trairão has only modest variations in elevation — a maximum elevation change of 67 m around an average of 75 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 324 m; within 80 km, significant variations in elevation — a maximum elevation change of 424 m.

The land around Trairão is covered by trees (83%) within 3 km, trees (82%) within 16 km, and trees (89%) within 80 km.

3 km
67 m
16 km
324 m
80 km
424 m
treesgrasslandwater
October weather nearby: Itaituba 33 km · Rurópolis 126 km · Aveiro 127 km · Placas 207 km · Parintins 234 km · Barreirinha 234 km · Maués 237 km · Belterra 243 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 Trairão (-4.5744°, -55.9436°, elevation 79 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).