Quissamã weather in December

In December, Quissamã sees average daytime highs of 30°C and overnight lows near 23°C, with 209 mm of rain across 18.4 wet days and about 13.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 31°C by the end. The sky is clear or mostly clear about 16% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Quissamã's 11th-clearest and 7th-windiest month. For the whole year in context, see Quissamã's year-round climate.

Daytime high
30°
4th warmest
Overnight low
23°
9th coldest
Rainfall
209 mm
18.4 wet days
Daylight
13 h 18 min
6:02 AM – 7:22 PM
Cloud cover
72%
11th clearest
Wind
10 km/h
7th windiest
Solar energy
5.85 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 31°C by the end.

A typical December day in Quissamã reaches about 30°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 26°C and 34°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°40°151015202531
Avg high (°C)Avg low (°C)
12922
23022
33022
43022
53022
63022
73022
83023
93023
103023
113023
123023
133023
143023
153023
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Quissamã

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.

Quissamã weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°17015.213.23.6
Feb32° / 24°8811.312.83.6
Mar31° / 23°14516.612.23.7
Apr30° / 22°7912.211.54.9
May28° / 19°478.6116.6
Jun27° / 18°214.610.77.5
Jul27° / 18°245.110.87.6
Aug27° / 18°214.611.27.4
Sep28° / 19°497.711.96.7
Oct29° / 21°8410.512.55.4
Nov29° / 22°17616.913.14.4
Dec30° / 23°20918.413.33.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22674
32674
42575
52575
62575
72575
82575
92674
102674
112674
122773
132872
142872
152971
162971
173169
183169
193268
203367
213466
223466
233565
243565
253565
263466
273466
283367
293367
303367
313367

Chance of precipitation in December

Any precipitation

Quissamã gets around 209 mm of rain over 18.4 wet days in December, the wettest month. 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 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
159
259
360
460
560
660
761
861
961
1061
1160
1260
1360
1460
1560
1659
1759
1859
1959
2059
2159
2258
2358
2458
2558
2658
2758
2858
2957
3057
3156

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11828594
20727624
30727615
40626635
50626626
60625636
70524647
80523657
90422668
100421678
110320689
120319699
130318709
1402177110
1502167210
1602157310
1701157311
1801147411
1901137511
2001127611
2101127611
2201117612
2301117612
2401117612
2501117513
2601117513
2701117414
2801117414
2901127314
3001127314
3100137215

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
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 13 h 18 min at the start of December to 13 h 18 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 5:58 AM to 6:09 AM, and sunset from 7:13 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:587:13
213.35:587:14
313.35:587:15
413.35:587:15
513.35:597:16
613.35:597:16
713.35:597:17
813.35:597:18
913.35:597:18
1013.36:007:19
1113.36:007:20
1213.36:007:20
1313.36:017:21
1413.36:017:21
1513.36:017:22
1613.36:027:22
1713.36:027:23
1813.36:037:23
1913.46:037:24
2013.46:037:24
2113.46:047:25
2213.46:047:25
2313.46:057:26
2413.46:057:26
2513.46:067:27
2613.36:067:27
2713.36:077:28
2813.36:077:28
2913.36:087:28
3013.36:087:29
3113.36:097:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.85 kWh/m².

For context, solar energy here swings from a low near 3.51 kWh/m² to a high of 6.33 kWh/m² in February across the year — December's 5.85 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
206.0Bright
216.0Bright
226.0Intense
236.0Intense
246.0Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in December

Hazard calendar for Quissamã

In seasonPeak

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

Quissamã's rainy season runs November–January, 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 Quissamã?

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

3.7
Sightseeing
9th-best month of the year
5.3
Beach & pool
12th-best month of the year

December is a weaker month for outdoor sightseeing in Quissamã.

What to pack for Quissamã in December

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

In December, Quissamã sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Quissamã in December

The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in March at about 25°C and coldest in August near 22°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Quissamã in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Quissamã peaks around February 8 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 8UV 14Jun 23UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Quissamã?

Quissamã sits at 22.1°S, 41.5°W, 9 m above sea level, in Brazil. The nearest listed city is Conceição de Macabu, 41 km away.

Topography around Quissamã

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

Within 3 km, the terrain around Quissamã has only modest variations in elevation — a maximum elevation change of 15 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 99 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,716 m.

The land around Quissamã is covered by grassland (46%) and wetland (26%) within 3 km, grassland (47%) and water (23%) within 16 km, and grassland (41%) and water (36%) within 80 km.

3 km
15 m
16 km
99 m
80 km
1,716 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Conceição de Macabu 41 km · Campos dos Goytacazes 42 km · Macaé 45 km · São Fidélis 59 km · Rio das Ostras 67 km · São João da Barra 68 km · Cambuci 74 km · Itaocara 79 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 Quissamã (-22.1067°, -41.4722°, elevation 9 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).