Uruaçu weather in December

In December, Uruaçu sees average daytime highs of 30°C and overnight lows near 22°C, with 281 mm of rain across 23.8 wet days and about 12.8 hours of daylight. It is the 11th-warmest and 2nd-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 8% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of December to 12 h 48 min by month's end. Set against the rest of the year, December is Uruaçu's 12th-clearest and 8th-windiest month. For the whole year in context, see Uruaçu's year-round climate.

Daytime high
30°
11th warmest
Overnight low
22°
9th coldest
Rainfall
281 mm
23.8 wet days
Daylight
12 h 54 min
6:47 AM – 7:38 PM
Cloud cover
80%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
5.26 kWh/m²
Travel score
3.4
out of 10

Uruaçu 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 30°C through the month.

A typical December day in Uruaçu reaches about 30°C in the afternoon and slips back to 22°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 33°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313021

How December really feels in Uruaçu

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.

Uruaçu weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°28524.412.83.4
Feb30° / 21°2182212.53.3
Mar30° / 22°22923.212.13.4
Apr31° / 21°1031411.74.2
May31° / 20°172.811.35.3
Jun31° / 19°30.511.25.9
Jul31° / 18°00.111.25.9
Aug33° / 20°30.811.54.6
Sep34° / 22°224.211.93.3
Oct33° / 22°11514.212.33.1
Nov30° / 22°23322.112.73.3
Dec30° / 22°28123.812.83.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51783
61783
71783
81783
91783
101882
111882
121882
131882
141981
151981
162080
172179
182179
192278
202278
212377
222377
232377
242476
252377
262377
272377
282377
292377
302278
312278

Chance of precipitation in December

Any precipitation

Uruaçu gets around 281 mm of rain over 23.8 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 77% and peaks near 79% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
179
279
379
479
579
679
779
879
979
1079
1178
1278
1378
1477
1577
1676
1776
1876
1975
2075
2175
2275
2375
2475
2575
2675
2776
2876
2977
3077
3178

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
134057
233958
323860
423860
523761
623662
723563
823563
923464
1023464
1133463
1233463
1333562
1433661
1533661
1633760
1733958
1834057
1934156
2034255
2134255
2234354
2334453
2434453
2534453
2634453
2734354
2834354
2934255
3034156
3134057

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 48 min at the start of December to 12 h 48 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 6:42 AM to 6:54 AM, and sunset from 7:30 PM to 7:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:427:30
212.86:437:31
312.86:437:31
412.86:437:32
512.86:437:32
612.86:447:33
712.86:447:34
812.86:447:34
912.86:447:35
1012.86:457:35
1112.86:457:36
1212.86:467:36
1312.86:467:37
1412.96:467:37
1512.96:477:38
1612.96:477:38
1712.96:477:39
1812.96:487:39
1912.96:487:40
2012.96:497:40
2112.96:497:41
2212.96:507:41
2312.96:507:42
2412.96:517:42
2512.96:517:43
2612.96:527:43
2712.96:527:44
2812.96:537:44
2912.96:537:44
3012.96:547:45
3112.86:547:45

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.26 kWh/m².

For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 6.08 kWh/m² in September across the year — December's 5.26 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for Uruaçu

In seasonPeak

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

Uruaçu's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Uruaçu?

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

3.4
Sightseeing
6th-best month of the year
4.6
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Uruaçu.

What to pack for Uruaçu in December

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

In December, Uruaçu sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Uruaçu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uruaçu peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 23UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme

Air quality in Uruaçu 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 Uruaçu is worst in September — around 22 µg/m³ PM2.5 (moderate), about 5.8× the cleanest month (July, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2021 µg/m³Jul 104 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar8Good
Apr7Good
May5Good
Jun4Good
Jul4Good
Aug8Good
Sep22Moderate
Oct17Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Uruaçu?

Uruaçu sits at 14.5°S, 49.1°W, 524 m above sea level, in Brazil. The nearest listed city is Itapaci, 65 km away.

Topography around Uruaçu

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

Within 3 km, the terrain around Uruaçu has only modest variations in elevation — a maximum elevation change of 155 m around an average of 519 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 363 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,213 m.

The land around Uruaçu is covered by artificial surfaces (33%), grassland (31%) and trees (25%) within 3 km, grassland (31%) and trees (27%) within 16 km, and grassland (43%) and trees (30%) within 80 km.

3 km
155 m
16 km
363 m
80 km
1,213 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Itapaci 65 km · Niquelândia 74 km · Goianésia 88 km · Crixás 89 km · Ceres 100 km · Rubiataba 101 km · Padre Bernardo 116 km · Porangatu 121 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 Uruaçu (-14.5247°, -49.1408°, elevation 524 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).