Cocal weather in December

In December, Cocal sees average daytime highs of 35°C and overnight lows near 24°C, with 45 mm of rain across 6.4 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 28% of the time in December, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Cocal's 7th-clearest and 4th-windiest month. For the whole year in context, see Cocal's year-round climate.

Daytime high
35°
4th warmest
Overnight low
24°
11th coldest
Rainfall
45 mm
6.4 wet days
Daylight
12 h 12 min
5:36 AM – 5:48 PM
Cloud cover
59%
7th clearest
Wind
13 km/h
4th windiest
Solar energy
6.12 kWh/m²
Travel score
2.9
out of 10

Cocal 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 35°C through the month.

A typical December day in Cocal reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, December runs about 1°C cooler than November and about 2°C warmer than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153524
163524
173524
183424
193424
203424
213424
223424
233424
243424
253424
263424
273424
283424
293424
303424
313424

How December really feels in Cocal

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.

Cocal weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°17017.512.23.0
Feb31° / 23°20720.412.13.0
Mar31° / 23°30325123.0
Apr30° / 23°35223.811.93.1
May31° / 23°17115.711.83.8
Jun32° / 23°366.411.84.5
Jul33° / 22°132.611.84.4
Aug34° / 23°50.611.93.8
Sep35° / 24°20.4123.2
Oct36° / 24°90.812.12.8
Nov36° / 24°91.812.22.7
Dec35° / 24°456.412.22.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 24% of December, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45842
55842
65842
75743
85743
95743
105743
115644
125644
135446
145446
155347
165248
175248
185050
195050
204951
214852
224852
234852
244753
254753
264753
274654
284654
294555
304555
314357

Chance of precipitation in December

Any precipitation

Cocal gets around 45 mm of rain over 6.4 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 21% 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 (%)
111
211
312
412
513
613
714
815
915
1016
1117
1217
1318
1419
1519
1620
1720
1821
1922
2023
2124
2225
2326
2427
2529
2630
2732
2834
2935
3037
3139

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
126677
225687
325678
424688
524679
6236710
7226711
8216712
9206713
10196714
11196615
12186616
13176617
14166618
15156520
16146521
17136522
18136324
19126325
20126226
21116128
22116029
23105931
24105832
2595734
2695635
2785537
2885339
2975340
3075142
3165044

Wind in December

Winds average 13 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light 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
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:30 AM to 5:43 AM, and sunset from 5:42 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:305:42
212.25:315:42
312.25:315:42
412.25:315:43
512.25:325:43
612.25:325:44
712.25:335:44
812.25:335:45
912.25:335:45
1012.25:345:46
1112.25:345:46
1212.25:355:46
1312.25:355:47
1412.25:365:47
1512.25:365:48
1612.25:365:48
1712.25:375:49
1812.25:375:49
1912.25:385:50
2012.25:385:50
2112.25:395:51
2212.25:395:51
2312.25:405:52
2412.25:405:52
2512.25:415:53
2612.25:415:53
2712.25:425:54
2812.25:425:54
2912.25:425:54
3012.25:435:55
3112.25:435:55

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 4.87 kWh/m² to a high of 6.98 kWh/m² in October across the year — December's 6.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.1Intense
166.1Intense
176.1Intense
186.0Intense
196.0Intense
206.0Bright
216.0Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in December

Hazard calendar for Cocal

In seasonPeak

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

Cocal's monsoon runs January–May, 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 Cocal?

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

2.9
Sightseeing
10th-best month of the year
6.0
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Cocal. The water and warmth also suit a beach or pool day.

What to pack for Cocal in December

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

In December, Cocal sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Cocal 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 67 km away) is warmest in May at about 29°C and coldest in September near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Cocal in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cocal peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Cocal 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 Cocal is worst in December — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1017 µg/m³Jul 176 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar12Moderate
Apr12Good
May9Good
Jun7Good
Jul6Good
Aug7Good
Sep8Good
Oct12Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Cocal?

Cocal sits at 3.5°S, 41.6°W, 129 m above sea level, in Brazil. The nearest listed city is Buriti dos Lopes, 48 km away.

Topography around Cocal

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

Within 3 km, the terrain around Cocal has only modest variations in elevation — a maximum elevation change of 93 m around an average of 143 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 400 m; within 80 km, large variations in elevation — a maximum elevation change of 926 m.

The land around Cocal is covered by trees (56%) and grassland (25%) within 3 km, trees (71%) within 16 km, and trees (48%) and shrubs (27%) within 80 km.

3 km
93 m
16 km
400 m
80 km
926 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Buriti dos Lopes 48 km · Viçosa do Ceará 53 km · Piracuruca 53 km · Luís Correia 67 km · Parnaíba 68 km · Tianguá 69 km · Ilha Grande 75 km · Araioses 75 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 Cocal (-3.4719°, -41.5575°, elevation 129 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. 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).