Cariacica weather in December

In December, Cariacica sees average daytime highs of 29°C and overnight lows near 21°C, with 227 mm of rain across 18.4 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 15% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of December to 13 h 12 min by month's end. Set against the rest of the year, December is Cariacica's 11th-clearest and 5th-windiest month. For the whole year in context, see Cariacica's year-round climate.

Daytime high
29°
4th warmest
Overnight low
21°
9th coldest
Rainfall
227 mm
18.4 wet days
Daylight
13 h 12 min
6:01 AM – 7:14 PM
Cloud cover
74%
11th clearest
Wind
9 km/h
5th windiest
Solar energy
5.75 kWh/m²
Travel score
4.4
out of 10
Air quality
Good
PM10 26.9 µg/m³ · 2018

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 28°C in the first days to 30°C by the end.

A typical December day in Cariacica reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242922
252922
262922
273022
283022
293022
303022
313022

How December really feels in Cariacica

Once humidity and wind are folded in, December averages 7 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
7
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.

Cariacica 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° / 22°1601513.14.4
Feb30° / 22°10813.312.74.3
Mar30° / 21°1721712.14.3
Apr28° / 20°11315.211.55.4
May26° / 18°6110.211.16.7
Jun26° / 17°38810.87.3
Jul25° / 16°438.710.97.3
Aug25° / 17°478.711.37.2
Sep26° / 18°6610.611.96.6
Oct27° / 19°12313.212.55.9
Nov27° / 20°22817.8134.9
Dec29° / 21°22718.413.24.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
22080
31981
41882
51981
62080
72080
82080
92179
102179
112278
122476
132476
142575
152773
162872
172971
182971
193268
203268
213367
223466
233565
243664
253565
263565
273664
283664
293565
303664
313565

Chance of precipitation in December

Any precipitation

Cariacica gets around 227 mm of rain over 18.4 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 59% and peaks near 65% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
164
265
365
465
565
665
765
865
964
1063
1163
1262
1361
1460
1559
1658
1757
1857
1956
2056
2155
2255
2354
2454
2553
2653
2752
2852
2952
3051
3151

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1195733
2185635
3085537
4075538
5075340
6065341
7065143
8065044
9054945
10054947
11044848
12044749
13044750
14034651
15034651
16034552
17024454
18024454
19024355
20024355
21014257
22014257
23014158
24014158
25014158
26014158
27014158
28014158
29014257
30014257
31014356

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 06 min at the start of December to 13 h 12 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 5:57 AM to 6:08 AM, and sunset from 7:06 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:577:06
213.15:577:06
313.25:587:07
413.25:587:07
513.25:587:08
613.25:587:09
713.25:587:09
813.25:597:10
913.25:597:11
1013.25:597:11
1113.25:597:12
1213.26:007:12
1313.26:007:13
1413.26:007:13
1513.26:017:14
1613.26:017:14
1713.26:027:15
1813.26:027:16
1913.26:027:16
2013.26:037:17
2113.26:037:17
2213.26:047:17
2313.26:047:18
2413.26:057:18
2513.26:057:19
2613.26:067:19
2713.26:067:20
2813.26:077:20
2913.26:077:20
3013.26:087:21
3113.26:087:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.75 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 6.32 kWh/m² in February across the year — December's 5.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.9Bright
205.9Bright
215.9Bright
226.0Bright
236.0Bright
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for Cariacica

In seasonPeak

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

Cariacica's rainy season runs October–April, 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 Cariacica?

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

4.4
Sightseeing
9th-best month of the year
5.5
Beach & pool
11th-best month of the year

December is a reasonable time to visit Cariacica for sightseeing.

What to pack for Cariacica in December

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

In December, Cariacica sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Cariacica in December

The nearest coast averages about 25°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 33 km away) is warmest in March at about 27°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°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar27Warm
Apr27Warm
May25Warm
Jun24Warm
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct24Refreshing
Nov25Warm
Dec25Warm

UV index in Cariacica 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 Cariacica 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 Cariacica?

Cariacica sits at 20.3°S, 40.4°W, 72 m above sea level, in Brazil. The nearest listed city is Vitória, 11 km away.

Topography around Cariacica

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

Within 3 km, the terrain around Cariacica has significant variations in elevation — a maximum elevation change of 375 m around an average of 51 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 807 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,981 m.

The land around Cariacica is covered by trees (50%) and grassland (36%) within 3 km, trees (49%) and grassland (27%) within 16 km, and trees (44%), water (30%) and grassland (23%) within 80 km.

3 km
375 m
16 km
807 m
80 km
1,981 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Vitória 11 km · Vila Velha 15 km · Viana 16 km · Serra 19 km · Domingos Martins 27 km · Marechal Floriano 32 km · Fundão 37 km · Santa Teresa 41 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 Cariacica (-20.2639°, -40.42°, elevation 72 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).