Urucará weather in December

In December, Urucará sees average daytime highs of 30°C and overnight lows near 25°C, with 245 mm of rain across 25.8 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Urucará's 7th-clearest and 11th-windiest month. For the whole year in context, see Urucará's year-round climate.

Daytime high
30°
5th warmest
Overnight low
25°
8th coldest
Rainfall
245 mm
25.8 wet days
Daylight
12 h 06 min
5:43 AM – 5:52 PM
Cloud cover
82%
7th clearest
Wind
5 km/h
11th windiest
Solar energy
4.42 kWh/m²
Travel score
2.9
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Urucará reaches about 30°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C warmer than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143025
153025
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Urucará

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.

Urucará weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°31228.112.12.9
Feb29° / 24°30825.412.13.0
Mar29° / 24°39229122.8
Apr29° / 24°36128.511.92.8
May30° / 24°27828.411.92.9
Jun30° / 24°1622311.93.4
Jul30° / 24°10018.511.93.9
Aug31° / 25°7413.811.94.0
Sep32° / 25°9314.3123.5
Oct32° / 25°12616.812.13.3
Nov31° / 25°16120.212.13.1
Dec30° / 25°24525.812.12.9

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 84%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22377
32278
42278
52278
62179
72179
82179
92080
101981
111981
121882
131882
141684
151684
161585
171585
181486
191486
201486
211486
221288
231288
241288
251288
261189
271189
281090
291090
301090
311090

Chance of precipitation in December

Any precipitation

Urucará gets around 245 mm of rain over 25.8 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 83% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
170
270
371
472
573
674
776
877
978
1080
1181
1282
1384
1485
1586
1687
1788
1888
1989
2089
2189
2290
2390
2490
2590
2690
2789
2889
2989
3089
3189

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the miserable band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11585
21585
31585
41585
51585
61585
71585
81585
91585
101585
111684
121684
131684
141684
151783
161783
171882
181882
191981
202080
212080
222179
232179
242278
252278
262377
272377
282476
292476
302575
312674

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 5:37 AM to 5:50 AM, and sunset from 5:45 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:375:45
212.15:375:45
312.15:375:46
412.15:385:46
512.15:385:47
612.15:395:47
712.15:395:47
812.15:395:48
912.15:405:48
1012.15:405:49
1112.15:415:49
1212.15:415:50
1312.15:415:50
1412.15:425:51
1512.15:425:51
1612.15:435:52
1712.15:435:52
1812.15:445:53
1912.15:445:53
2012.15:455:53
2112.15:455:54
2212.15:465:54
2312.15:465:55
2412.15:475:55
2512.15:475:56
2612.15:475:56
2712.15:485:57
2812.15:485:57
2912.15:495:58
3012.15:495:58
3112.15:505:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.42 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 5.54 kWh/m² in September across the year — December's 4.42 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in December

Hazard calendar for Urucará

In seasonPeak

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

Urucará's rainy season runs December–May, 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 Urucará?

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

2.9
Sightseeing
8th-best month of the year
4.2
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in Urucará.

What to pack for Urucará in December

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

In December, Urucará sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Urucará 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 Urucará peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 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 highExtremeFeb 21UV 15Nov 15UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec12Extreme

Air quality in Urucará 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 Urucará is worst in November — around 26 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1026 µg/m³Jun 229 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar15Moderate
Apr13Moderate
May10Good
Jun9Good
Jul9Good
Aug12Moderate
Sep19Moderate
Oct25Moderate
Nov26Moderate
Dec18Moderate
Location & terrain

Where is Urucará?

Urucará sits at 2.5°S, 57.8°W, 17 m above sea level, in Brazil. The nearest listed city is Urucurituba, 79 km away.

Topography around Urucará

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

Within 3 km, the terrain around Urucará has only modest variations in elevation — a maximum elevation change of 33 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, only modest variations in elevation — a maximum elevation change of 207 m.

The land around Urucará is covered by trees (48%) and grassland (22%) within 3 km, trees (58%) within 16 km, and trees (76%) within 80 km.

3 km
33 m
16 km
130 m
80 km
207 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Urucurituba 79 km · Barreirinha 82 km · Maués 94 km · Itacoatiara 102 km · Parintins 114 km · Nhamundá 123 km · Terra Santa 149 km · Juruti 190 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 Urucará (-2.5364°, -57.76°, elevation 17 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. 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).