Guaraí weather in October

In October, Guaraí sees average daytime highs of 33°C and overnight lows near 23°C, with 107 mm of rain across 13.9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 32°C by the end. The sky is clear or mostly clear about 27% 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 18 min by month's end. Set against the rest of the year, October is Guaraí's 6th-clearest and 6th-windiest month. For the whole year in context, see Guaraí's year-round climate.

Daytime high
33°
4th warmest
Overnight low
23°
11th coldest
Rainfall
107 mm
13.9 wet days
Daylight
12 h 12 min
5:53 AM – 6:05 PM
Cloud cover
63%
6th clearest
Wind
6 km/h
6th windiest
Solar energy
5.92 kWh/m²
Travel score
3.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 32°C by the end.

A typical October day in Guaraí reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, October runs about 2°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
33423
43423
53423
63423
73423
83423
93423
103323
113323
123323
133323
143323
153323
163323
173323
183323
193323
203323
213323
223223
233223
243223
253223
263223
273223
283223
293223
303223
313223

How October really feels in Guaraí

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.

Guaraí weather by month

How October compares with the rest of the year at a glance. October is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°27727.512.52.9
Feb30° / 22°2572512.32.9
Mar30° / 22°25726.812.12.9
Apr31° / 22°1622011.83.4
May32° / 22°598.911.64.2
Jun33° / 22°20.511.54.5
Jul34° / 21°10.211.54.2
Aug35° / 22°20.411.73.2
Sep35° / 23°253.711.92.8
Oct33° / 23°10713.912.23.2
Nov31° / 23°21021.312.43.1
Dec30° / 22°23424.212.53.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35941
45842
55743
65743
75545
85545
95347
105347
115248
125050
134951
144852
154654
164456
174357
184258
194060
203961
213763
223664
233565
243466
253367
263268
273268
283169
293070
303070
313070

Chance of precipitation in October

Any precipitation

Guaraí gets around 107 mm of rain over 13.9 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 44% 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 (%)
129
230
330
431
531
632
732
833
934
1034
1135
1236
1338
1439
1540
1642
1743
1845
1947
2049
2151
2253
2355
2457
2558
2660
2761
2862
2963
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 63% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
115124240
215124141
314114143
404114044
503114045
603113946
703113847
803113848
903113749
1003113650
1103113551
1203103453
1303103354
140293257
150293158
160283060
170272863
180272764
190262567
200152470
210142273
220142075
230131977
240121780
250021583
260021484
270011386
280011287
290011188
300011089
310011089

Wind in October

Winds average 6 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
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
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 18 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 6:01 AM to 5:48 AM, and sunset from 6:05 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:016:05
212.16:006:05
312.16:006:05
412.15:596:05
512.15:586:05
612.15:586:05
712.15:576:05
812.15:576:05
912.15:566:05
1012.25:566:05
1112.25:556:05
1212.25:556:05
1312.25:546:05
1412.25:546:05
1512.25:546:05
1612.25:536:05
1712.25:536:05
1812.25:526:05
1912.25:526:05
2012.25:526:05
2112.25:516:05
2212.25:516:05
2312.35:506:06
2412.35:506:06
2512.35:506:06
2612.35:506:06
2712.35:496:06
2812.35:496:06
2912.35:496:07
3012.35:486:07
3112.35:486:07

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.92 kWh/m².

For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 6.15 kWh/m² in September across the year — October's 5.92 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
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
176.0Bright
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 Guaraí

In seasonPeak

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

Guaraí'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 Guaraí?

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

3.2
Sightseeing
5th-best month of the year
5.6
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Guaraí.

What to pack for Guaraí in October

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

In October, Guaraí sees daytime highs around 33°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Guaraí 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 Guaraí peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jun 22UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct10Extreme
Nov12Extreme
Dec11Extreme

Air quality in Guaraí 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 Guaraí is worst in October — around 40 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (June, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateOct 1238 µg/m³Jun 208 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar12Good
Apr11Good
May9Good
Jun8Good
Jul8Good
Aug15Moderate
Sep34Moderate
Oct40Poor
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Guaraí?

Guaraí sits at 8.8°S, 48.5°W, 260 m above sea level, in Brazil. The nearest listed city is Miracema do Tocantins, 83 km away.

Topography around Guaraí

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

Within 3 km, the terrain around Guaraí has only modest variations in elevation — a maximum elevation change of 114 m around an average of 272 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 416 m; within 80 km, significant variations in elevation — a maximum elevation change of 552 m.

The land around Guaraí is covered by grassland (47%) and trees (26%) within 3 km, grassland (55%) and trees (37%) within 16 km, and grassland (54%) and trees (37%) within 80 km.

3 km
114 m
16 km
416 m
80 km
552 m
treesshrubsgrasslandcroplandartificial surfaces
October weather nearby: Miracema do Tocantins 83 km · Colinas do Tocantins 86 km · Conceição do Araguaia 105 km · Santa Maria das Barreiras 132 km · Palmas 150 km · Paraíso do Tocantins 154 km · Araguaína 186 km · Redenção 190 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 Guaraí (-8.8342°, -48.5103°, elevation 260 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).