Viana weather in October

In October, Viana sees average daytime highs of 27°C and overnight lows near 21°C, with 113 mm of rain across 11.9 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 24% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 42 min by month's end. Set against the rest of the year, October is Viana's 10th-clearest and 1st-windiest month. For the whole year in context, see Viana's year-round climate.

Daytime high
27°
7th warmest
Overnight low
21°
6th coldest
Rainfall
113 mm
11.9 wet days
Daylight
12 h 30 min
6:13 AM – 6:41 PM
Cloud cover
65%
10th clearest
Wind
13 km/h
1st windiest
Solar energy
5.52 kWh/m²
Travel score
6.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical October day in Viana reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62620
72620
82620
92620
102720
112720
122720
132720
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721
312721

How October really feels in Viana

Once humidity and wind are folded in, October averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Viana weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°13812.313.14.8
Feb30° / 23°941012.74.8
Mar30° / 23°15914.612.14.6
Apr28° / 22°10414.511.55.5
May26° / 20°6310.4116.7
Jun26° / 19°387.710.87.3
Jul25° / 18°428.210.97.5
Aug25° / 18°437.811.37.4
Sep26° / 19°639.811.96.8
Oct27° / 21°11311.912.56.2
Nov27° / 22°20816.1135.3
Dec29° / 23°20616.313.24.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
44060
54060
64060
74060
84159
94159
104258
114258
124258
134357
144357
154357
164258
174258
184258
194159
204159
213961
223862
233862
243664
253565
263466
273367
283169
293169
303070
313070

Chance of precipitation in October

Any precipitation

Viana gets around 113 mm of rain over 11.9 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 39% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
137
237
337
437
536
636
736
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1836
1937
2037
2138
2240
2341
2442
2543
2644
2745
2846
2947
3048
3149

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11725589
207255810
307245910
407236010
507226110
607226011
706216211
806206311
906206311
1006206212
1105206312
1205196412
1305196313
1405196313
1504196314
1604186414
1704186315
1804176316
1903166417
2003166318
2103156319
2203146221
2303146122
2403146023
2503135925
2603135826
2703135628
2803125629
2902125630
3002125432
3102115433

Wind in October

Winds average 13 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over October. Sunrise moves from 6:25 AM to 6:03 AM, and sunset from 6:37 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:256:37
212.26:256:37
312.26:246:37
412.26:236:37
512.36:226:38
612.36:216:38
712.36:206:38
812.36:196:39
912.36:186:39
1012.46:186:39
1112.46:176:40
1212.46:166:40
1312.46:156:40
1412.46:146:41
1512.56:146:41
1612.56:136:41
1712.56:126:42
1812.56:116:42
1912.56:116:42
2012.66:106:43
2112.66:096:43
2212.66:086:44
2312.66:086:44
2412.66:076:45
2512.66:076:45
2612.76:066:45
2712.76:056:46
2812.76:056:46
2912.76:046:47
3012.76:046:47
3112.76:036:48

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.52 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 6.48 kWh/m² in February across the year — October's 5.52 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
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 Viana

In seasonPeak

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

Viana's rainy season runs October–January, 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 Viana?

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

6.2
Sightseeing
6th-best month of the year
6.1
Beach & pool
10th-best month of the year

October is a reasonable time to visit Viana for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Viana in October

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

In October, Viana sees daytime highs around 27°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Viana in October

The nearest coast averages about 23°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 km away) is warmest in March at about 26°C and coldest in August near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb26Warm
Mar26Warm
Apr26Warm
May25Warm
Jun24Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Warm
Dec25Warm

UV index in Viana 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 Viana peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 10UV 14Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Viana?

Viana sits at 20.4°S, 40.5°W, 35 m above sea level, in Brazil. The nearest listed city is Cariacica, 16 km away.

Topography around Viana

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

Within 3 km, the terrain around Viana has significant variations in elevation — a maximum elevation change of 380 m around an average of 79 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 885 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,980 m.

The land around Viana is covered by trees (48%) and grassland (48%) within 3 km, trees (61%) and grassland (31%) within 16 km, and trees (44%), water (30%) and grassland (23%) within 80 km.

3 km
380 m
16 km
885 m
80 km
1,980 m
treesgrasslandartificial surfaceswaterwetland
October weather nearby: Cariacica 16 km · Domingos Martins 17 km · Vitória 18 km · Marechal Floriano 20 km · Vila Velha 22 km · Guarapari 31 km · Serra 35 km · Santa Maria de Jetibá 48 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 Viana (-20.3903°, -40.4961°, 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).