Lábrea weather in December

In December, Lábrea sees average daytime highs of 30°C and overnight lows near 24°C, with 294 mm of rain across 28.6 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 3rd-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 1% of the time in December, and the air most often feels miserable.

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 Lábrea's 8th-clearest and 9th-windiest month. For the whole year in context, see Lábrea's year-round climate.

Daytime high
30°
6th warmest
Overnight low
24°
10th coldest
Rainfall
294 mm
28.6 wet days
Daylight
12 h 24 min
6:03 AM – 6:28 PM
Cloud cover
87%
8th clearest
Wind
4 km/h
9th windiest
Solar energy
4.56 kWh/m²
Travel score
2.6
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 Lábrea reaches about 30°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How December really feels in Lábrea

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.

Lábrea weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°2992912.42.6
Feb30° / 24°28625.912.22.6
Mar30° / 24°31829.5122.6
Apr30° / 23°25127.111.82.7
May30° / 23°17424.711.73.2
Jun30° / 23°7415.111.64.3
Jul31° / 22°418.411.65.0
Aug32° / 23°6711.311.84.0
Sep32° / 24°11618.4123.1
Oct32° / 24°18323.412.22.8
Nov31° / 24°22226.412.32.6
Dec30° / 24°29428.612.42.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7793
8694
9694
10694
11694
12694
13694
14694
15694
16694
17595
18595
19496
20496
21496
22496
23496
24496
25496
26496
27496
28397
29397
30496
31496

Chance of precipitation in December

Any precipitation

Lábrea gets around 294 mm of rain over 28.6 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 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
592
691
791
891
991
1091
1191
1291
1391
1491
1592
1692
1792
1892
1993
2093
2193
2293
2394
2494
2594
2694
2794
2894
2994
3093
3193

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11981
21981
32080
42080
52179
62278
72377
82377
92476
102476
112575
122575
132674
142674
152773
162773
172872
182872
192971
202971
212971
223070
233070
243169
253169
263169
273268
283367
293367
303466
313466

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
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 5:57 AM to 6:10 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)
112.45:576:21
212.45:576:21
312.45:586:22
412.45:586:22
512.45:586:23
612.45:596:23
712.45:596:24
812.46:006:24
912.46:006:25
1012.46:006:25
1112.46:016:25
1212.46:016:26
1312.46:016:26
1412.46:026:27
1512.46:026:27
1612.46:036:28
1712.46:036:28
1812.46:046:29
1912.46:046:29
2012.46:056:30
2112.46:056:30
2212.46:056:31
2312.46:066:31
2412.46:066:32
2512.46:076:32
2612.46:076:33
2712.46:086:33
2812.46:086:34
2912.46:096:34
3012.46:096:34
3112.46:106:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.56 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.44 kWh/m² in September across the year — December's 4.56 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Hazard calendar for Lábrea

In seasonPeak

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

Lábrea's rainy season runs October–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 Lábrea?

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

2.6
Sightseeing
8th-best month of the year
3.7
Beach & pool
9th-best month of the year

December is a weaker month for outdoor sightseeing in Lábrea.

What to pack for Lábrea in December

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

In December, Lábrea sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Lábrea 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 Lábrea peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 24 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeMar 12UV 15Aug 24UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug5High
Sep5High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Lábrea 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 Lábrea is worst in August — around 57 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (June, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateAug 2357 µg/m³Jun 910 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar14Moderate
Apr12Good
May10Good
Jun10Good
Jul16Moderate
Aug57Unhealthy
Sep55Poor
Oct21Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Lábrea?

Lábrea sits at 7.3°S, 64.8°W, 65 m above sea level, in Brazil. The nearest listed city is Canutama, 93 km away.

TapauáAlto ParaísoBoca do Acre

Topography around Lábrea

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

Within 3 km, the terrain around Lábrea has only modest variations in elevation — a maximum elevation change of 37 m around an average of 64 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 51 m; within 80 km, only modest variations in elevation — a maximum elevation change of 83 m.

The land around Lábrea is covered by trees (57%) and grassland (28%) within 3 km, trees (88%) within 16 km, and trees (98%) within 80 km.

3 km
37 m
16 km
51 m
80 km
83 m
treesgrasslandartificial surfaceswater
December weather nearby: Canutama 93 km · Porto Velho 193 km · Humaitá 197 km · Candeias do Jamari 210 km · Pauini 245 km · Tapauá 255 km · Alto Paraíso 318 km · Boca do Acre 331 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 Lábrea (-7.2644°, -64.7964°, elevation 65 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).