Porto Calvo weather in December

In December, Porto Calvo sees average daytime highs of 31°C and overnight lows near 23°C, with 33 mm of rain across 12.7 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 30% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Porto Calvo's 4th-clearest and 2nd-windiest month. For the whole year in context, see Porto Calvo's year-round climate.

Daytime high
31°
1st warmest
Overnight low
23°
8th coldest
Rainfall
33 mm
12.7 wet days
Daylight
12 h 30 min
5:02 AM – 5:33 PM
Cloud cover
56%
4th clearest
Wind
10 km/h
2nd windiest
Solar energy
6.01 kWh/m²
Travel score
4.5
out of 10

Porto Calvo is former frequesia and town of the Pernambuco Captaincy, actual old town of Porto Calvo, Alagoas.

Founded
1575

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 31°C through the month.

A typical December day in Porto Calvo 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 29°C and 32°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)
13023
23023
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How December really feels in Porto Calvo

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.

Porto Calvo weather by month

How December compares with the rest of the year at a glance. December is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°5817.412.54.0
Feb31° / 23°6416.712.33.8
Mar31° / 24°8019.812.13.7
Apr30° / 23°962111.83.8
May28° / 23°12223.611.64.1
Jun27° / 22°14025.311.54.2
Jul26° / 21°12825.311.54.4
Aug27° / 21°8322.211.74.8
Sep28° / 21°5817.611.95.3
Oct29° / 22°421512.25.1
Nov30° / 23°3112.112.44.8
Dec31° / 23°3312.712.54.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 31% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36238
46337
56337
66436
76436
86436
96436
106436
116436
126337
136337
146238
156238
166139
176139
186139
196040
205941
215941
225842
235842
245743
255743
265743
275842
285842
295842
305842
315842

Chance of precipitation in December

Any precipitation

Porto Calvo gets around 33 mm of rain over 12.7 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 41% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
136
235
335
434
534
634
734
835
935
1036
1137
1237
1338
1439
1540
1641
1743
1844
1945
2045
2146
2246
2347
2447
2547
2647
2747
2847
2947
3047
3148

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
13367
23367
33367
43367
53268
63268
73169
83169
93070
103070
112971
122872
132872
142773
152773
162674
172674
182575
192575
202575
212476
222476
232476
242476
252476
262476
272476
282476
292377
302377
312377

Wind in December

Winds average 10 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 30 min at the start of December to 12 h 30 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 4:57 AM to 5:09 AM, and sunset from 5:26 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.54:575:26
212.54:575:27
312.54:575:27
412.54:585:28
512.54:585:28
612.54:585:28
712.54:595:29
812.54:595:29
912.54:595:30
1012.55:005:30
1112.55:005:31
1212.55:005:31
1312.55:015:32
1412.55:015:32
1512.55:025:33
1612.55:025:33
1712.55:025:34
1812.55:035:34
1912.55:035:35
2012.55:045:35
2112.55:045:36
2212.55:055:36
2312.55:055:37
2412.55:065:37
2512.55:065:38
2612.55:075:38
2712.55:075:39
2812.55:085:39
2912.55:085:40
3012.55:095:40
3112.55:095:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.01 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.02 kWh/m² in November across the year — December's 6.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in December

Hazard calendar for Porto Calvo

In seasonPeak

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

Porto Calvo's rainy season runs February–August, 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 Porto Calvo?

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

4.5
Sightseeing
5th-best month of the year
6.4
Beach & pool
2nd-best month of the year

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

What to pack for Porto Calvo in December

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

In December, Porto Calvo sees daytime highs around 31°C and nights near 23°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

Sea temperature near Porto Calvo in December

The nearest coast averages about 27°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 31 km away) is warmest in April 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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in Porto Calvo 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 Porto Calvo peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Aug 10UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Porto Calvo?

Porto Calvo sits at 9.0°S, 35.4°W, 20 m above sea level, in Brazil. The nearest listed city is Matriz de Camaragibe, 19 km away.

Topography around Porto Calvo

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

Within 3 km, the terrain around Porto Calvo has only modest variations in elevation — a maximum elevation change of 111 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 159 m; within 80 km, large variations in elevation — a maximum elevation change of 853 m.

The land around Porto Calvo is covered by grassland (80%) within 3 km, grassland (65%) and trees (27%) within 16 km, and grassland (43%), water (31%) and trees (20%) within 80 km.

3 km
111 m
16 km
159 m
80 km
853 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Matriz de Camaragibe 19 km · Maragogi 20 km · São José da Coroa Grande 32 km · Barreiros 34 km · São Luís do Quitunde 35 km · Colônia Leopoldina 39 km · Joaquim Gomes 40 km · Água Preta 40 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 Porto Calvo (-9.045°, -35.3983°, elevation 20 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).