Climate and average weather in Volta Redonda

In Volta Redonda, the weather is humid, hot, wet, and partly cloudy and remarkably steady, with daytime highs holding near hot levels all year. The wettest stretch peaks around January.

Best: late April to late September

Over the course of the year, the temperature in Volta Redonda typically varies from 14°C to 30°C, and is rarely below 11°C or above 34°C. February is the hottest month of the year, while July is the coldest.

Based on the travel score, the best time of year to visit Volta Redonda for warm-weather activities is from late April to late September.

Hottest
Feb
30°
Coldest
Jul
14°
Wettest
Jan
280 mm
Driest
Aug
26 mm
Rain / yr
1515 mm
160 wet days
Daylight
10.6–13.4 h
shortest–longest
Elevation
400 m
22.5°S
Clearest
Jul
45% cloud

Volta Redonda is human settlement in Brazil.

Air quality
Moderate
PM2.5 13.5 µg/m³ · 2014

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Volta Redonda weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around late April to late September.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Volta Redonda, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

Temperatures in Volta Redonda stay fairly even through the year, without a distinct hot or cool season. The warmest month is February, with an average high of 30°C and low of 21°C; the coolest is July, with an average low of 14°C and high of 24°C.

Days typically run about 9°C warmer than nights year-round.

10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan3021
Feb3021
Mar2920
Apr2718
May2516
Jun2514
Jul2414
Aug2515
Sep2616
Oct2718
Nov2719
Dec2920

How hot and cold Volta Redonda really feels

Feels-like highFeels-like lowactual air temp

The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.

On the hottest afternoons, once humidity is folded in, Volta Redonda feels like about 32°C (around February 3). About 26 days a year carry some heat stress, peaking in February.

10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Feels-like high (°C)Air high (°C)Feels-like low (°C)Air low (°C)
Jan32302121
Feb32302121
Mar31292020
Apr28271818
May25251616
Jun25251414
Jul24241414
Aug25251415
Sep26261616
Oct28271818
Nov28271919
Dec30292020

Average hourly temperature in Volta Redonda

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on February afternoons, near 30°C, and coldest before dawn in July, near 14°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Volta Redonda weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°28021.813.23.7
Feb30° / 21°20617.612.83.9
Mar29° / 20°19620.412.24.3
Apr27° / 18°891211.56.1
May25° / 16°498.510.97.1
Jun25° / 14°275.410.67.8
Jul24° / 14°285.310.88.0
Aug25° / 15°265.411.27.7
Sep26° / 16°631011.96.6
Oct27° / 18°11013.712.55.7
Nov27° / 19°20018.613.14.9
Dec29° / 20°24121.113.44.2

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Volta Redonda gets about 1515 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 5.7 months, from around Oct 18 to Apr 10, peaking in January at about 73% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jun 24.

January is the wettest month by volume, with 280 mm over about 22 wet days; August is the driest, with 26 mm.

0%10%20%30%40%50%60%70%80%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetJan 1 · 73%Jun 24 · 15%
Rain on a day (%)Rain days
Jan7022
Feb6418
Mar6520
Apr4012
May289
Jun185
Jul175
Aug185
Sep3310
Oct4514
Nov6119
Dec6821

Monthly rainfall

Over a full year, Volta Redonda collects about 1515 mm of rain across 160 wet days — roughly 126 mm in an average month.

It doesn’t fall evenly. January is the wettest month with 280 mm, while August is the driest at just 26 mm. The three wettest months alone bring about 48% of the year’s total.

050100150200250300JanFebMarAprMayJunJulAugSepOctNovDec280206196894927282663110200241
Rainfall (mm)Rain days
Jan28022
Feb20618
Mar19620
Apr8912
May499
Jun275
Jul285
Aug265
Sep6310
Oct11014
Nov20019
Dec24121

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Volta Redonda, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around April 4 and lasts for 5.6 months, ending around September 19. The clearest month is July, when the sky is clear, mostly clear, or partly cloudy 61% of the time on average.

The cloudier part of the year begins around September 20 and lasts for 6.4 months, ending around April 3. The cloudiest month is December, when it is overcast or mostly cloudy 76% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecJul 23 · 62%Dec 4 · 20%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan2872
Feb3664
Mar3763
Apr5149
May5248
Jun5941
Jul6139
Aug6139
Sep4753
Oct3268
Nov2476
Dec2476

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around January 1, brings about 13 h 24 min of light; the shortest, around June 11, only 10 h 36 min — a swing of roughly 2 h 48 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan13.26:287:43
Feb12.86:487:34
Mar12.27:017:11
Apr11.57:126:41
May10.97:256:20
Jun10.67:386:16
Jul10.87:406:24
Aug11.27:246:37
Sep11.96:556:47
Oct12.56:266:57
Nov13.16:097:15
Dec13.46:117:34

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Volta Redonda averages about 9 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 3 and 15 days.

The sunnier stretch runs 5.3 months, from around Apr 14 to Sep 22. The sunniest month is July, with roughly 15 sunny days (mixed).

The greyest month is December, down near 3 sunny days — about 77% fewer than the July peak.

05101520JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightJul 2615 daysDec 33 days
Sunny daysSky
Jan5Gloomy
Feb6Gloomy
Mar6Gloomy
Apr9Mixed
May10Mixed
Jun13Mixed
Jul15Mixed
Aug15Mixed
Sep11Mixed
Oct6Gloomy
Nov3Gloomy
Dec4Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Volta Redonda, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 7.0 months, from around October 7 to May 8. The muggiest month is January, when the air feels humid, muggy or worse about 100% of the time.

The most comfortable stretch runs from around May 9 to October 6, and July is the most comfortable month — the air is dry or comfortable 78% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecJul 17 · 80%Jan 1 · 0%oppressivehumidmuggycomfortabledryhumidcomfortablehumid
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan0075835
Feb0076132
Mar0096526
Apr0729587
May52949170
Jun13483730
Jul23552200
Aug26462710
Sep113642110
Oct31939381
Nov0831538
Dec01136521

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Wind in Volta Redonda is steady company: average speeds sit near 6 km/hcalm — in every month of the year, with no meaningful windy or calm season.

051015JanFebMarAprMayJunJulAugSepOctNovDeccalmlight breezeSep 16 · 7 km/hMar 30 · 5 km/h
Wind speed (km/h)Feels
Jan6calm
Feb6calm
Mar5calm
Apr5calm
May5calm
Jun6calm
Jul6calm
Aug6calm
Sep7calm
Oct7calm
Nov7calm
Dec6calm

Hazard calendar for Volta Redonda

In seasonPeak

When the seasonal hazards worth planning around — the rainy season, tropical-cyclone risk and dust haze — are active through the year.

Volta Redonda's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Best time to visit Volta Redonda

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Volta Redonda throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around mid September, Volta Redonda is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Volta Redonda for general outdoor tourist activities is from late April to late September, with a peak score in the last week of July.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJul 26 · 8.0

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan3.7fair
Feb3.8fair
Mar4.3fair
Apr6.1good
May7.1good
Jun7.8ideal
Jul8.0ideal
Aug7.7ideal
Sep6.6good
Oct5.7good
Nov4.9fair
Dec4.2fair

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Volta Redonda for hot-weather activities is from early April to late October, with a peak score in the last week of August.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationAug 24 · 7.1

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Volta Redonda, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

Volta Redonda packs about the same all year — highs hold near 30°C. Across the year the things worth having are light clothes, rain gear and sun protection.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In February, Volta Redonda sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

UV index (midday) in Volta Redonda by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Volta Redonda peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 highExtremeJan 24UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep7High
Oct12Extreme
Nov14Extreme
Dec14Extreme

Average hourly UV index in Volta Redonda

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in January the burn window is concentrated in the middle of the day: about 9 hours a day reach index 3 (protection recommended), and 7 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan97
Feb8.57
Mar86
Apr75
May62.5
Jun5.50.5
Jul50
Aug6.53.5
Sep6.53
Oct86
Nov8.56.5
Dec97

Air quality in Volta Redonda by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Volta Redonda is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Volta Redonda's WHO annual average of 13.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1320 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr12Good
May15Moderate
Jun18Moderate
Jul19Moderate
Aug17Moderate
Sep20Moderate
Oct13Moderate
Nov10Good
Dec9Good
Almanac & agriculture

Growing season

Chance of a frost-free dayFrost-free year round

Volta Redonda is frost-free year round — even the coldest nights rarely reach freezing, so there is no start or end to the growing season.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecfrost-free year round
Frost-free chance (%)Frost nights
Jan1000
Feb1000
Mar1000
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec1000

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Volta Redonda banks about 4,494 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around February.

01,0002,0003,0004,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan468
Feb427
Mar446
Apr385
May323
Jun286
Jul283
Aug307
Sep340
Oct389
Nov394
Dec446

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Volta Redonda receives about 4.6 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 3.4 and 5.7 kWh/m².

The brighter stretch of the year lasts 6.9 months, from around Aug 31 to Mar 28. The brightest month is February, averaging about 5.6 kWh/m² (bright).

The dimmest month is May, down near 3.6 kWh/m² — roughly 36% less than the February peak.

01234567JanFebMarAprMayJunJulAugSepOctNovDecbrighterdimmerbrighterdimmoderatebrightintenseFeb 75.7 kWhMay 303.4 kWh
Solar energy (kWh/m²)Level
Jan5.5Bright
Feb5.7Bright
Mar4.8Bright
Apr4.3Bright
May3.6Moderate
Jun3.4Moderate
Jul3.5Moderate
Aug4.3Bright
Sep4.6Bright
Oct5.0Bright
Nov5.0Bright
Dec5.4Bright

Where is Volta Redonda?

Volta Redonda sits at 22.5°S, 44.1°W, 400 m above sea level, in Brazil. The nearest listed city is Barra Mansa, 7.0 km away.

Topography around Volta Redonda

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

Within 3 km, the terrain around Volta Redonda has only modest variations in elevation — a maximum elevation change of 147 m around an average of 408 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 419 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,761 m.

The land around Volta Redonda is covered by artificial surfaces (51%) and trees (29%) within 3 km, grassland (55%) and trees (37%) within 16 km, and trees (49%) and grassland (36%) within 80 km.

3 km
147 m
16 km
419 m
80 km
2,761 m
treesgrasslandartificial surfaceswater
Nearby: Barra Mansa 7.0 km · Pinheiral 11 km · Porto Real 22 km · Rio Claro 22 km · Piraí 24 km · Barra do Piraí 29 km · Resende 36 km · Mendes 38 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 Volta Redonda (-22.5231°, -44.1042°, elevation 400 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).