Volta Redonda weather in December

In December, Volta Redonda sees average daytime highs of 29°C and overnight lows near 20°C, with 241 mm of rain across 21.1 wet days and about 13.4 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 11% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 24 min by month's end. Set against the rest of the year, December is Volta Redonda's 11th-clearest and 5th-windiest month. For the whole year in context, see Volta Redonda's year-round climate.

Daytime high
29°
4th warmest
Overnight low
20°
10th coldest
Rainfall
241 mm
21.1 wet days
Daylight
13 h 24 min
6:11 AM – 7:34 PM
Cloud cover
75%
11th clearest
Wind
6 km/h
5th windiest
Solar energy
5.41 kWh/m²
Travel score
4.2
out of 10

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.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Volta Redonda reaches about 29°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242921
252921
262921
272921
282921
292921
302921
312921

How December really feels in Volta Redonda

Once humidity and wind are folded in, December 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

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

Volta Redonda weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

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

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22080
32080
41981
51981
61981
71981
82080
92179
102179
112278
122278
132377
142476
152575
162674
172674
182674
192773
202773
212773
222773
232773
242773
252773
262773
272674
282674
292674
302575
312575

Chance of precipitation in December

Any precipitation

Volta Redonda gets around 241 mm of rain over 21.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 68% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
163
264
364
464
564
664
765
865
965
1065
1165
1266
1366
1466
1567
1667
1768
1868
1969
2069
2170
2270
2371
2472
2572
2673
2773
2874
2974
3074
3174

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12256013
22236114
32226115
42216116
52206117
62196217
71186318
81176418
91176418
101166419
111156519
121146619
131136719
141136620
151126720
161126720
170116821
180116821
190106921
200106822
21096922
22096823
23086923
24086824
25086725
26076726
27076627
28076528
29076429
30076429
31076330

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 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
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:08 AM to 6:19 AM, and sunset from 7:25 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:087:25
213.36:087:25
313.36:087:26
413.36:087:27
513.36:087:27
613.36:087:28
713.36:097:28
813.36:097:29
913.36:097:30
1013.36:097:30
1113.46:107:31
1213.46:107:31
1313.46:107:32
1413.46:117:33
1513.46:117:33
1613.46:117:34
1713.46:127:34
1813.46:127:35
1913.46:137:35
2013.46:137:36
2113.46:137:36
2213.46:147:37
2313.46:147:37
2413.46:157:38
2513.46:157:38
2613.46:167:39
2713.46:167:39
2813.46:177:39
2913.46:187:40
3013.46:187:40
3113.46:197:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.41 kWh/m².

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.71 kWh/m² in February across the year — December's 5.41 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Volta Redonda

In seasonPeak

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

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

Is December a good time to visit Volta Redonda?

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

4.2
Sightseeing
10th-best month of the year
5.0
Beach & pool
11th-best month of the year

December is a reasonable time to visit Volta Redonda for sightseeing.

What to pack for Volta Redonda in December

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

In December, Volta Redonda sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Volta Redonda in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

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

Air quality in Volta Redonda in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual 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
Location & terrain

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
December weather 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).