Cabo de Santo Agostinho weather in December

In December, Cabo de Santo Agostinho sees average daytime highs of 28°C and overnight lows near 24°C, with 43 mm of rain across 15.5 wet days and about 12.5 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Cabo de Santo Agostinho's 5th-clearest and 7th-windiest month. For the whole year in context, see Cabo de Santo Agostinho's year-round climate.

Daytime high
28°
5th warmest
Overnight low
24°
8th coldest
Rainfall
43 mm
15.5 wet days
Daylight
12 h 30 min
5:02 AM – 5:31 PM
Cloud cover
48%
5th clearest
Wind
15 km/h
7th windiest
Solar energy
5.94 kWh/m²
Travel score
5.7
out of 10

Cabo de Santo Agostinho 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 28°C through the month.

A typical December day in Cabo de Santo Agostinho reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302825
312825

Cabo de Santo Agostinho weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°6719.712.45.0
Feb28° / 25°7417.812.34.7
Mar28° / 25°9420.612.14.6
Apr28° / 25°13122.711.84.4
May27° / 24°16624.511.64.5
Jun26° / 23°19425.211.54.4
Jul26° / 23°16925.611.64.6
Aug26° / 22°10322.511.75.1
Sep26° / 23°6518.8125.6
Oct27° / 23°4616.412.25.9
Nov28° / 24°3714.512.45.9
Dec28° / 24°4315.512.55.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57129
67129
77129
87129
97129
107129
117129
127129
137030
146931
156931
166931
176931
186832
196832
206733
216634
226634
236535
246634
256535
266535
276436
286535
296535
306436
316535

Chance of precipitation in December

Any precipitation

Cabo de Santo Agostinho gets around 43 mm of rain over 15.5 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 50% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
444
544
645
745
846
946
1047
1148
1248
1349
1450
1550
1651
1752
1852
1953
2053
2153
2254
2354
2454
2554
2654
2754
2855
2955
3056
3157

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
11486
21486
31387
41387
51288
61288
71189
81189
91090
101090
111090
12991
13991
14991
151090
161090
171090
181090
191189
201189
211189
221288
231288
241288
251288
261387
271288
281288
291288
301288
311189

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 24 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 6 minutes over December. Sunrise moves from 4:56 AM to 5:09 AM, and sunset from 5:23 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.44:565:23
212.54:575:24
312.54:575:24
412.54:575:25
512.54:585:25
612.54:585:26
712.54:585:26
812.54:595:27
912.54:595:27
1012.54:595:28
1112.55:005:28
1212.55:005:29
1312.55:015:29
1412.55:015:30
1512.55:015:30
1612.55:025:31
1712.55:025:31
1812.55:035:32
1912.55:035:32
2012.55:045:33
2112.55:045:33
2212.55:055:34
2312.55:055:34
2412.55:065:35
2512.55:065:35
2612.55:075:35
2712.55:075:36
2812.55:085:36
2912.55:085:37
3012.55:085:37
3112.55:095:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.94 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 5.97 kWh/m² in November across the year — December's 5.94 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Bright
106.0Bright
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
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 Cabo de Santo Agostinho

In seasonPeak

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

Cabo de Santo Agostinho's rainy season runs March–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 Cabo de Santo Agostinho?

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

5.7
Sightseeing
3rd-best month of the year
6.1
Beach & pool
2nd-best month of the year

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

What to pack for Cabo de Santo Agostinho in December

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

In December, Cabo de Santo Agostinho sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Cabo de Santo Agostinho 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 20 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
Dec28Warm

UV index in Cabo de Santo Agostinho 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 Cabo de Santo Agostinho peaks around March 14 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 14UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Cabo de Santo Agostinho?

Cabo de Santo Agostinho sits at 8.3°S, 35.0°W, 35 m above sea level, in Brazil. The nearest listed city is Porto de Galinhas, 13 km away.

Topography around Cabo de Santo Agostinho

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cabo de Santo Agostinho.

Within 3 km, the terrain around Cabo de Santo Agostinho has only modest variations in elevation — a maximum elevation change of 123 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 250 m; within 80 km, large variations in elevation — a maximum elevation change of 874 m.

The land around Cabo de Santo Agostinho is covered by trees (40%), artificial surfaces (31%) and grassland (26%) within 3 km, trees (35%) and grassland (28%) within 16 km, and grassland (40%) and water (32%) within 80 km.

3 km
123 m
16 km
250 m
80 km
874 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Porto de Galinhas 13 km · Jaboatão dos Guararapes 20 km · Moreno 20 km · Escada 23 km · Camaragibe 30 km · Recife 31 km · São Lourenço da Mata 32 km · Vitória de Santo Antão 34 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 Cabo de Santo Agostinho (-8.2877°, -35.0292°, elevation 35 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).