Tucumã weather in October

In October, Tucumã sees average daytime highs of 32°C and overnight lows near 23°C, with 99 mm of rain across 16.1 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 32°C through the month. The sky is clear or mostly clear about 21% 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 Tucumã's 5th-clearest and 5th-windiest month. For the whole year in context, see Tucumã's year-round climate.

Daytime high
32°
4th warmest
Overnight low
23°
12th coldest
Rainfall
99 mm
16.1 wet days
Daylight
12 h 12 min
6:05 AM – 6:14 PM
Cloud cover
66%
5th clearest
Wind
5 km/h
5th windiest
Solar energy
6 kWh/m²
Travel score
3.5
out of 10

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 Tucumã reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°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 about 2°C cooler than September and about 1°C warmer than November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13323
23323
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How October really feels in Tucumã

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.

Tucumã 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
Jan29° / 22°26329.312.32.9
Feb29° / 22°2412612.23.0
Mar29° / 22°26528.9122.9
Apr30° / 22°20325.511.93.1
May30° / 22°10917.211.73.9
Jun32° / 21°173.711.64.9
Jul33° / 21°71.711.64.5
Aug34° / 22°101.911.83.9
Sep33° / 23°335.9123.8
Oct32° / 23°9916.112.13.5
Nov30° / 22°16222.312.33.3
Dec30° / 22°2032612.43.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25347
35347
45248
55050
65050
74852
84753
94654
104555
114555
124456
134357
144159
154060
163961
173961
183862
193862
203565
213565
223466
233268
243169
253070
262971
272971
282872
292773
302674
312674

Chance of precipitation in October

Any precipitation

Tucumã gets around 99 mm of rain over 16.1 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 52% and peaks near 67% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
134
235
336
437
537
638
739
840
942
1043
1145
1246
1348
1449
1551
1652
1754
1855
1957
2058
2159
2261
2362
2463
2564
2665
2766
2866
2967
3067
3167

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
133265
223167
322969
422870
512772
612673
712574
812475
912376
1002278
1102179
1202080
1301882
1401783
1501684
1601585
1701486
1801387
1901288
2001189
2101090
220991
230892
240793
250694
260694
270595
280595
290496
300496
310496

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
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 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 6:12 AM to 6:01 AM, and sunset from 6:15 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:126:15
212.16:116:15
312.16:116:15
412.16:106:15
512.16:106:15
612.16:096:15
712.16:096:15
812.16:086:15
912.16:086:15
1012.16:086:14
1112.16:076:14
1212.16:076:14
1312.16:066:14
1412.16:066:14
1512.16:066:14
1612.26:056:14
1712.26:056:14
1812.26:046:14
1912.26:046:14
2012.26:046:14
2112.26:036:14
2212.26:036:14
2312.26:036:14
2412.26:036:14
2512.26:026:15
2612.26:026:15
2712.26:026:15
2812.26:026:15
2912.26:016:15
3012.26:016:15
3112.26:016:15

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.09 kWh/m² in September across the year — October's 6 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
116.1Intense
126.1Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
315.7Bright
Planning a trip in October

Hazard calendar for Tucumã

In seasonPeak

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

Tucumã'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 Tucumã?

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

3.5
Sightseeing
6th-best month of the year
5.5
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Tucumã.

What to pack for Tucumã in October

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

In October, Tucumã sees daytime highs around 32°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Tucumã in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tucumã peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 12UV 15Jun 21UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep11Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tucumã 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 Tucumã is worst in September — around 55 µg/m³ PM2.5 (poor), about 7.2× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModeratePoorModerateSep 1652 µg/m³Jun 238 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar11Good
Apr12Moderate
May10Good
Jun8Good
Jul8Good
Aug30Moderate
Sep55Poor
Oct29Moderate
Nov22Moderate
Dec17Moderate
Location & terrain

Where is Tucumã?

Tucumã sits at 6.7°S, 51.2°W, 302 m above sea level, in Brazil. The nearest listed city is Ourilândia do Norte, 9.0 km away.

Topography around Tucumã

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

Within 3 km, the terrain around Tucumã has significant variations in elevation — a maximum elevation change of 324 m around an average of 330 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 383 m; within 80 km, significant variations in elevation — a maximum elevation change of 564 m.

The land around Tucumã is covered by trees (43%), grassland (37%) and artificial surfaces (20%) within 3 km, grassland (58%) and trees (40%) within 16 km, and trees (65%) and grassland (34%) within 80 km.

3 km
324 m
16 km
383 m
80 km
564 m
treesgrasslandartificial surfacesbare terrain
October weather nearby: Ourilândia do Norte 9.0 km · Água Azul do Norte 77 km · São Félix do Xingu 93 km · Rio Maria 138 km · Xinguara 140 km · Canaã dos Carajás 147 km · Parauapebas 158 km · Floresta do Araguaia 183 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 Tucumã (-6.7475°, -51.1611°, elevation 302 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).