Goianinha weather in December

In December, Goianinha sees average daytime highs of 30°C and overnight lows near 24°C, with 26 mm of rain across 10.3 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 42% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Goianinha's 6th-clearest and 7th-windiest month. For the whole year in context, see Goianinha's year-round climate.

Daytime high
30°
4th warmest
Overnight low
24°
9th coldest
Rainfall
26 mm
10.3 wet days
Daylight
12 h 24 min
5:06 AM – 5:28 PM
Cloud cover
51%
6th clearest
Wind
14 km/h
7th windiest
Solar energy
6.12 kWh/m²
Travel score
4.9
out of 10

Goianinha 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

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Goianinha reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Goianinha

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.

Goianinha weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°5215.412.34.3
Feb31° / 24°6615.212.24.0
Mar31° / 24°9420.2123.7
Apr30° / 24°11920.911.93.8
May29° / 23°9217.411.74.6
Jun28° / 23°941711.65.1
Jul28° / 22°7715.711.75.8
Aug28° / 22°3110.711.86.3
Sep29° / 22°207.7126.1
Oct30° / 23°146.212.15.9
Nov30° / 24°156.512.35.5
Dec30° / 24°2610.312.44.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47129
57129
67129
77030
87030
97030
106931
116931
126832
136832
146832
156733
166733
176733
186634
196634
206535
216535
226535
236535
246535
256436
266436
276436
286337
296337
306337
316238

Chance of precipitation in December

Any precipitation

Goianinha gets around 26 mm of rain over 10.3 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 33% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
125
225
326
426
527
627
728
828
929
1030
1131
1232
1332
1433
1534
1634
1735
1835
1936
2036
2137
2237
2337
2437
2538
2638
2738
2838
2938
3038
3139

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
12080
21981
31981
41882
51882
61783
71783
81684
91684
101684
111585
121585
131585
141585
151585
161585
171486
181486
191486
201486
211486
221387
231387
241387
251288
261288
271288
281189
291189
301189
311090

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 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 5:00 AM to 5:13 AM, and sunset from 5:21 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:005:21
212.35:015:21
312.35:015:22
412.35:015:22
512.35:025:23
612.35:025:23
712.45:025:24
812.45:035:24
912.45:035:24
1012.45:045:25
1112.45:045:25
1212.45:045:26
1312.45:055:26
1412.45:055:27
1512.45:065:27
1612.45:065:28
1712.45:075:28
1812.45:075:29
1912.45:085:29
2012.45:085:30
2112.45:085:30
2212.45:095:31
2312.45:095:31
2412.45:105:32
2512.45:105:32
2612.45:115:33
2712.45:115:33
2812.45:125:33
2912.45:125:34
3012.45:135:34
3112.45:135:35

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 4.36 kWh/m² to a high of 6.25 kWh/m² in November across the year — December's 6.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in December

Hazard calendar for Goianinha

In seasonPeak

None of Goianinha's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Goianinha's rainy season runs February–July, 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 Goianinha?

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

4.9
Sightseeing
7th-best month of the year
6.9
Beach & pool
5th-best month of the year

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

What to pack for Goianinha in December

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

In December, Goianinha sees daytime highs around 30°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Goianinha in December

The nearest coast averages about 28°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 39 km away) is warmest in March at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Goianinha in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Goianinha peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 11UV 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Goianinha?

Goianinha sits at 6.3°S, 35.2°W, 32 m above sea level, in Brazil. The nearest listed city is Canguaretama, 15 km away.

Topography around Goianinha

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

Within 3 km, the terrain around Goianinha has only modest variations in elevation — a maximum elevation change of 82 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 198 m; within 80 km, large variations in elevation — a maximum elevation change of 634 m.

The land around Goianinha is covered by grassland (71%) within 3 km, grassland (52%) and trees (21%) within 16 km, and grassland (43%) and water (28%) within 80 km.

3 km
82 m
16 km
198 m
80 km
634 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Canguaretama 15 km · Tibau do Sul 16 km · Nísia Floresta 19 km · São José de Mipibu 22 km · Monte Alegre 26 km · Santo Antônio 30 km · Nova Cruz 34 km · Parnamirim 39 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 Goianinha (-6.2662°, -35.2097°, elevation 32 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).