Xinguara weather in December

In December, Xinguara sees average daytime highs of 30°C and overnight lows near 22°C, with 208 mm of rain across 25.4 wet days and about 12.4 hours of daylight. It is the 9th-warmest and 4th-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 6% 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 24 min by month's end. Set against the rest of the year, December is Xinguara's 9th-clearest and 7th-windiest month. For the whole year in context, see Xinguara's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
9th coldest
Rainfall
208 mm
25.4 wet days
Daylight
12 h 24 min
6:04 AM – 6:28 PM
Cloud cover
82%
9th clearest
Wind
5 km/h
7th windiest
Solar energy
4.98 kWh/m²
Travel score
3.1
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 Xinguara 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 27°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022
313022

How December really feels in Xinguara

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.

Xinguara weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°28529.112.42.9
Feb29° / 22°25626.212.22.8
Mar30° / 22°25328.8122.9
Apr30° / 22°19524.211.83.2
May31° / 22°10715.611.74.1
Jun32° / 22°132.811.65.1
Jul33° / 21°40.711.64.8
Aug33° / 22°5111.84.2
Sep33° / 23°294.8124.0
Oct32° / 23°9414.712.23.7
Nov30° / 23°16921.712.33.3
Dec30° / 22°20825.412.43.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21783
31783
41783
51783
61684
71585
81585
91585
101585
111585
121387
131387
141387
151387
161387
171387
181387
191387
201486
211486
221486
231486
241486
251486
261486
271486
281387
291387
301387
311288

Chance of precipitation in December

Any precipitation

Xinguara gets around 208 mm of rain over 25.4 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 (%)
175
275
375
475
575
675
776
876
977
1078
1179
1280
1381
1482
1583
1684
1785
1885
1986
2086
2187
2287
2387
2488
2588
2688
2789
2889
2989
3090
3190

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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 24 min at the start of December to 12 h 24 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 6:11 AM, and sunset from 6:21 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:586:21
212.45:586:21
312.45:596:22
412.45:596:22
512.45:596:23
612.46:006:23
712.46:006:24
812.46:006:24
912.46:016:25
1012.46:016:25
1112.46:026:26
1212.46:026:26
1312.46:026:27
1412.46:036:27
1512.46:036:28
1612.46:046:28
1712.46:046:29
1812.46:056:29
1912.46:056:30
2012.46:056:30
2112.46:066:31
2212.46:066:31
2312.46:076:32
2412.46:076:32
2512.46:086:33
2612.46:086:33
2712.46:096:33
2812.46:096:34
2912.46:106:34
3012.46:106:35
3112.46:116:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.98 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.1 kWh/m² in September across the year — December's 4.98 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in December

Hazard calendar for Xinguara

In seasonPeak

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

Xinguara's monsoon runs November–April, 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 Xinguara?

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

3.1
Sightseeing
9th-best month of the year
4.3
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Xinguara.

What to pack for Xinguara in December

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

In December, Xinguara sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Xinguara 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 Xinguara peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 13UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov12Extreme
Dec11Extreme

Air quality in Xinguara 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 Xinguara is worst in September — around 54 µg/m³ PM2.5 (poor), about 9.9× the cleanest month (June, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1650 µg/m³Jun 215 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr11Good
May8Good
Jun5Good
Jul6Good
Aug25Moderate
Sep54Poor
Oct28Moderate
Nov21Moderate
Dec16Moderate
Location & terrain

Where is Xinguara?

Xinguara sits at 7.1°S, 49.9°W, 252 m above sea level, in Brazil. The nearest listed city is Rio Maria, 26 km away.

Topography around Xinguara

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

Within 3 km, the terrain around Xinguara has only modest variations in elevation — a maximum elevation change of 145 m around an average of 245 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, large variations in elevation — a maximum elevation change of 715 m.

The land around Xinguara is covered by grassland (55%) and artificial surfaces (25%) within 3 km, grassland (84%) within 16 km, and grassland (71%) and trees (28%) within 80 km.

3 km
145 m
16 km
306 m
80 km
715 m
treesgrasslandartificial surfacesbare terrainwater
December weather nearby: Rio Maria 26 km · Floresta do Araguaia 57 km · Canaã dos Carajás 65 km · Água Azul do Norte 67 km · Redenção 104 km · Parauapebas 115 km · Curionópolis 117 km · Eldorado dos Carajás 128 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 Xinguara (-7.0983°, -49.9435°, elevation 252 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).