Vilhena weather in October

In October, Vilhena sees average daytime highs of 30°C and overnight lows near 21°C, with 165 mm of rain across 22.4 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 13% 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 30 min by month's end. Set against the rest of the year, October is Vilhena's 6th-clearest and 9th-windiest month. For the whole year in context, see Vilhena's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
21°
12th coldest
Rainfall
165 mm
22.4 wet days
Daylight
12 h 18 min
5:37 AM – 5:54 PM
Cloud cover
71%
6th clearest
Wind
6 km/h
9th windiest
Solar energy
5.73 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 30°C through the month.

A typical October day in Vilhena reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, October runs about 1°C cooler than September and about 1°C warmer than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How October really feels in Vilhena

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.

Vilhena weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°26729.412.73.2
Feb28° / 21°2742712.43.3
Mar28° / 21°24128.612.13.2
Apr29° / 21°12821.511.74.0
May28° / 20°5712.111.45.5
Jun29° / 19°14311.36.6
Jul30° / 18°102.111.36.4
Aug31° / 20°244.811.65.1
Sep31° / 21°8413.511.94.0
Oct30° / 21°16522.412.33.5
Nov29° / 21°20725.612.63.3
Dec28° / 21°25928.112.73.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 68%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44357
54258
64258
74159
83961
93961
103961
113862
123862
133664
143565
153466
163367
173268
183070
193070
202872
212674
222674
232476
242377
252278
262179
272179
282080
291981
301981
311981

Chance of precipitation in October

Any precipitation

Vilhena gets around 165 mm of rain over 22.4 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 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
366
467
567
667
768
868
968
1069
1169
1270
1371
1472
1572
1673
1774
1875
1975
2076
2176
2277
2377
2477
2577
2677
2777
2877
2977
3077
3177

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11254052
20253954
30253855
40143758
50143758
60133660
70133561
80133561
90133462
100123364
110123265
120023167
130023068
140022870
150012772
160012673
170012475
180012376
190012277
200012079
210011980
220011881
230011782
240011683
250011584
260021583
270021484
280021484
290021385
300021385
310131383

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
67calm
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 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over October. Sunrise moves from 5:46 AM to 5:31 AM, and sunset from 5:53 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:465:53
212.15:465:53
312.15:455:53
412.15:445:53
512.25:445:53
612.25:435:53
712.25:425:53
812.25:425:53
912.25:415:53
1012.25:405:54
1112.25:405:54
1212.25:395:54
1312.35:395:54
1412.35:385:54
1512.35:375:54
1612.35:375:54
1712.35:365:54
1812.35:365:55
1912.35:355:55
2012.35:355:55
2112.35:345:55
2212.45:345:55
2312.45:345:56
2412.45:335:56
2512.45:335:56
2612.45:325:56
2712.45:325:57
2812.45:325:57
2912.45:315:57
3012.45:315:57
3112.55:315:58

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.73 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.73 kWh/m² in October across the year — October's 5.73 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
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in October

Hazard calendar for Vilhena

In seasonPeak

In October, Vilhena sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Vilhena's monsoon runs October–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 Vilhena?

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

3.5
Sightseeing
7th-best month of the year
4.8
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Vilhena.

What to pack for Vilhena in October

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

In October, Vilhena sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Vilhena 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 Vilhena peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 22UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug10Very high
Sep3Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Vilhena 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 Vilhena is worst in September — around 62 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (May, 9 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1459 µg/m³May 159 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr9Good
May9Good
Jun9Good
Jul11Good
Aug39Poor
Sep62Unhealthy
Oct22Moderate
Nov16Moderate
Dec11Good
Location & terrain

Where is Vilhena?

Vilhena sits at 12.7°S, 60.1°W, 591 m above sea level, in Brazil. The nearest listed city is Colorado do Oeste, 60 km away.

Topography around Vilhena

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

Within 3 km, the terrain around Vilhena has only modest variations in elevation — a maximum elevation change of 75 m around an average of 585 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, significant variations in elevation — a maximum elevation change of 438 m.

The land around Vilhena is covered by artificial surfaces (47%) and grassland (26%) within 3 km, trees (50%), cropland (24%) and grassland (20%) within 16 km, and trees (76%) within 80 km.

3 km
75 m
16 km
226 m
80 km
438 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
October weather nearby: Colorado do Oeste 60 km · Cerejeiras 88 km · Comodoro 110 km · Pimenta Bueno 165 km · Espigão dOeste 165 km · Sapezal 169 km · Cacoal 202 km · Rolim de Moura 208 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 Vilhena (-12.7406°, -60.1458°, elevation 591 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).