Guamaré weather in December

In December, Guamaré sees average daytime highs of 29°C and overnight lows near 26°C, with 6 mm of rain across 1.8 wet days and about 12.3 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 58% 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 18 min by month's end. Set against the rest of the year, December is Guamaré's 6th-clearest and 5th-windiest month. For the whole year in context, see Guamaré's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
26°
12th coldest
Rainfall
6 mm
1.8 wet days
Daylight
12 h 18 min
5:13 AM – 5:30 PM
Cloud cover
41%
6th clearest
Wind
27 km/h
5th windiest
Solar energy
6.38 kWh/m²
Travel score
6.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Guamaré reaches about 29°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How December really feels in Guamaré

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.

Guamaré weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 26°478.612.35.6
Feb29° / 26°6911.312.25.1
Mar29° / 26°11416.4124.7
Apr29° / 26°11816.511.94.6
May29° / 25°568.511.85.6
Jun29° / 25°416.311.76.2
Jul29° / 24°283.711.76.9
Aug29° / 24°20.511.87.3
Sep29° / 24°10.1127.3
Oct29° / 25°1012.17.2
Nov29° / 25°10.212.26.9
Dec29° / 26°61.812.36.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37525
47525
57624
67624
77525
87624
97624
107624
117525
127624
137624
147624
157525
167426
177426
187327
197327
207228
217129
227129
237129
247030
257030
266931
276832
286832
296832
306733
316634

Chance of precipitation in December

Any precipitation

Guamaré gets around 6 mm of rain over 1.8 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 6% and peaks near 11% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
12
22
33
43
53
63
74
84
94
105
115
125
135
146
156
166
176
186
196
207
217
227
237
247
258
268
279
289
2910
3011
3111

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
15941
25941
35941
44951
54951
64951
74951
84951
94951
104960
114960
123970
133970
143970
153970
163970
173970
182980
192980
202980
212980
222980
232980
242980
252980
262980
272980
282980
292980
302971
312971

Wind in December

Winds average 27 km/h in December.

Across December, daily wind ranges from about 26 km/h on the calmest days to 28 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
128breezy
227breezy
327breezy
427breezy
527breezy
627breezy
727breezy
827breezy
927breezy
1027breezy
1127breezy
1227breezy
1327breezy
1427breezy
1527breezy
1627breezy
1727breezy
1827breezy
1927breezy
2027breezy
2127breezy
2227breezy
2326breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2926breezy
3026breezy
3126breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 18 min at the start of December to 12 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 5:07 AM to 5:20 AM, and sunset from 5:23 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:075:23
212.35:075:24
312.35:075:24
412.35:085:25
512.35:085:25
612.35:095:26
712.35:095:26
812.35:095:26
912.35:105:27
1012.35:105:27
1112.35:105:28
1212.35:115:28
1312.35:115:29
1412.35:125:29
1512.35:125:30
1612.35:135:30
1712.35:135:31
1812.35:145:31
1912.35:145:32
2012.35:145:32
2112.35:155:33
2212.35:155:33
2312.35:165:34
2412.35:165:34
2512.35:175:35
2612.35:175:35
2712.35:185:35
2812.35:185:36
2912.35:195:36
3012.35:195:37
3112.35:205:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.38 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 6.79 kWh/m² in October across the year — December's 6.38 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in December

Is December a good time to visit Guamaré?

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

6.6
Sightseeing
6th-best month of the year
8.6
Beach & pool
5th-best month of the year

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

What to pack for Guamaré in December

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

In December, Guamaré sees daytime highs around 29°C and nights near 26°C. Pack light clothes and sun protection. Worth having: a windbreaker.

light clothessun protectiona windbreaker

Sea temperature near Guamaré 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 27 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
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in Guamaré 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 Guamaré peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 16UV 15Jul 13UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Guamaré?

Guamaré sits at 5.1°S, 36.3°W, 5 m above sea level, in Brazil. The nearest listed city is Macau, 35 km away.

Topography around Guamaré

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

Within 3 km, the terrain around Guamaré has only modest variations in elevation — a maximum elevation change of 20 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, significant variations in elevation — a maximum elevation change of 545 m.

The land around Guamaré is covered by water (53%) within 3 km, water (48%) and shrubs (32%) within 16 km, and shrubs (47%) and water (34%) within 80 km.

3 km
20 m
16 km
121 m
80 km
545 m
shrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Macau 35 km · João Câmara 73 km · Açu 83 km · Areia Branca 92 km · Touros 96 km · São Paulo do Potengi 107 km · Lagoa Nova 111 km · Mossoró 114 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 Guamaré (-5.1075°, -36.3203°, elevation 5 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).