Campos dos Goytacazes weather in December

In December, Campos dos Goytacazes sees average daytime highs of 31°C and overnight lows near 23°C, with 196 mm of rain across 17.9 wet days and about 13.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 31°C by the end. The sky is clear or mostly clear about 17% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Campos dos Goytacazes's 11th-clearest and 7th-windiest month. For the whole year in context, see Campos dos Goytacazes's year-round climate.

Daytime high
31°
4th warmest
Overnight low
23°
9th coldest
Rainfall
196 mm
17.9 wet days
Daylight
13 h 18 min
6:02 AM – 7:21 PM
Cloud cover
72%
11th clearest
Wind
11 km/h
7th windiest
Solar energy
6.12 kWh/m²
Travel score
3.7
out of 10

Campos dos Goytacazes is human settlement in Brazil.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 31°C by the end.

A typical December day in Campos dos Goytacazes reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53023
63023
73023
83023
93023
103023
113023
123023
133023
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Campos dos Goytacazes

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Campos dos Goytacazes weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 24°15513.613.23.7
Feb33° / 24°8010.212.73.6
Mar32° / 23°14315.712.23.6
Apr30° / 22°8212.411.54.7
May28° / 20°478.9116.3
Jun28° / 18°20510.77.3
Jul27° / 18°225.310.87.4
Aug28° / 18°214.811.37.3
Sep28° / 20°477.811.96.2
Oct29° / 21°8210.112.55.4
Nov29° / 22°16916.1134.4
Dec31° / 23°19617.913.33.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 71%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32476
42476
52476
62377
72377
82377
92476
102575
112674
122674
132773
142872
152971
163070
173070
183268
193268
203367
213466
223565
233565
243664
253664
263466
273466
283466
293466
303466
313466

Chance of precipitation in December

Any precipitation

Campos dos Goytacazes gets around 196 mm of rain over 17.9 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 57% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
260
360
461
561
661
761
861
960
1060
1159
1259
1358
1458
1557
1656
1756
1856
1955
2055
2155
2255
2354
2454
2554
2654
2754
2854
2953
3053
3152

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11828603
21728613
31727614
41726624
51625635
61624636
70623656
80522666
90522667
100521677
110420697
120419698
130318718
140317728
150316738
160215758
170214768
180214768
190113797
200113797
210113797
220112807
230112807
240112807
250112807
260112807
270113797
280113788
290113788
300114778
310114778

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 12 min at the start of December to 13 h 18 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 5:58 AM to 6:09 AM, and sunset from 7:12 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:587:12
213.25:587:13
313.25:587:13
413.35:597:14
513.35:597:15
613.35:597:15
713.35:597:16
813.35:597:16
913.36:007:17
1013.36:007:18
1113.36:007:18
1213.36:007:19
1313.36:017:19
1413.36:017:20
1513.36:017:21
1613.36:027:21
1713.36:027:22
1813.36:037:22
1913.36:037:23
2013.36:047:23
2113.36:047:24
2213.36:047:24
2313.36:057:25
2413.36:057:25
2513.36:067:25
2613.36:067:26
2713.36:077:26
2813.36:077:27
2913.36:087:27
3013.36:097:27
3113.36:097:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.12 kWh/m².

For context, solar energy here swings from a low near 3.61 kWh/m² to a high of 6.61 kWh/m² in February across the year — December's 6.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in December

Hazard calendar for Campos dos Goytacazes

In seasonPeak

In December, Campos dos Goytacazes sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Campos dos Goytacazes's rainy season runs November–January, when most of the year's rain falls.

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

Is December a good time to visit Campos dos Goytacazes?

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

3.7
Sightseeing
9th-best month of the year
5.4
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Campos dos Goytacazes.

What to pack for Campos dos Goytacazes in December

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

In December, Campos dos Goytacazes sees daytime highs around 31°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Campos dos Goytacazes in December

The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 42 km away) is warmest in March at about 25°C and coldest in August near 22°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Campos dos Goytacazes in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Campos dos Goytacazes peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 9UV 14Jun 23UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Campos dos Goytacazes?

Campos dos Goytacazes sits at 21.8°S, 41.3°W, 13 m above sea level, in Brazil. The nearest listed city is São João da Barra, 31 km away.

Topography around Campos dos Goytacazes

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

Within 3 km, the terrain around Campos dos Goytacazes has only modest variations in elevation — a maximum elevation change of 17 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 400 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,716 m.

The land around Campos dos Goytacazes is covered by artificial surfaces (63%) within 3 km, grassland (62%) within 16 km, and grassland (47%) and water (33%) within 80 km.

3 km
17 m
16 km
400 m
80 km
1,716 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: São João da Barra 31 km · Quissamã 42 km · São Fidélis 45 km · São Francisco de Itabapoana 63 km · Cambuci 63 km · Conceição de Macabu 67 km · Mimoso do Sul 77 km · Itaocara 78 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 Campos dos Goytacazes (-21.7523°, -41.3304°, elevation 13 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).