Arauca weather in December

In December, Arauca sees average daytime highs of 31°C and overnight lows near 23°C, with 51 mm of rain across 9.7 wet days and about 11.6 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 25% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of December to 11 h 36 min by month's end. Set against the rest of the year, December is Arauca's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Arauca's year-round climate.

Daytime high
31°
5th warmest
Overnight low
23°
5th coldest
Rainfall
51 mm
9.7 wet days
Daylight
11 h 36 min
5:51 AM – 5:27 PM
Cloud cover
60%
2nd clearest
Wind
8 km/h
3rd windiest
Solar energy
4.91 kWh/m²
Travel score
4.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Arauca reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243223
253223
263223
273223
283223
293223
303223
313223

How December really feels in Arauca

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.

Arauca weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°152.711.64.3
Feb34° / 24°203.511.83.5
Mar34° / 25°557.6123.1
Apr32° / 24°18119.712.22.9
May30° / 24°32426.612.32.9
Jun29° / 23°37528.112.42.9
Jul29° / 23°3462812.43.1
Aug30° / 23°29327.512.23.0
Sep30° / 23°24426.3122.8
Oct31° / 23°21126.311.82.7
Nov31° / 23°14520.411.73.3
Dec31° / 23°519.711.64.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33862
43961
54060
64060
74159
84357
94456
104456
114555
124555
134654
144951
154951
165050
175149
185248
195347
205446
215545
225644
235743
245842
255842
265842
275941
285941
296040
306040
316040

Chance of precipitation in December

Any precipitation

Arauca gets around 51 mm of rain over 9.7 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 31% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
247
346
444
543
642
741
840
938
1037
1136
1235
1334
1433
1532
1630
1729
1828
1927
2026
2125
2224
2324
2423
2522
2621
2720
2819
2918
3017
3116

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1010837
2011836
3012826
4013825
5015814
6016804
7017803
8019783
9120763
10122743
11123733
12124732
13226702
14227692
15229672
16230662
17232642
18333631
19335611
20336601
21438571
22439561
23540541
24642511
25643501
26745481
27846461
28847441
29949421
30950401
311052380

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 36 min at the start of December to 11 h 36 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 5:44 AM to 5:58 AM, and sunset from 5:21 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:445:21
211.65:455:22
311.65:455:22
411.65:465:22
511.65:465:23
611.65:475:23
711.65:475:23
811.65:485:24
911.65:485:24
1011.65:495:24
1111.65:495:25
1211.65:505:25
1311.65:505:26
1411.65:515:26
1511.65:515:26
1611.65:515:27
1711.65:525:27
1811.65:525:28
1911.65:535:28
2011.65:535:29
2111.65:545:29
2211.65:545:30
2311.65:555:30
2411.65:555:31
2511.65:565:31
2611.65:565:32
2711.65:575:32
2811.65:575:33
2911.65:585:33
3011.65:585:34
3111.65:585:34

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.91 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 5.41 kWh/m² in February across the year — December's 4.91 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Arauca

In seasonPeak

None of Arauca's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Arauca's rainy season runs April–October, 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 Arauca?

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

4.3
Sightseeing
1st-best month of the year
6.6
Beach & pool
3rd-best month of the year

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

What to pack for Arauca in December

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

In December, Arauca sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Arauca in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arauca peaks around February 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highFeb 15UV 13Dec 14UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar11Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec9Very high

Air quality in Arauca 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 Arauca is worst in March — around 38 µg/m³ PM2.5 (poor), about 3.3× the cleanest month (December, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2237 µg/m³Dec 2211 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb19Moderate
Mar38Poor
Apr35Moderate
May23Moderate
Jun22Moderate
Jul20Moderate
Aug17Moderate
Sep17Moderate
Oct16Moderate
Nov15Moderate
Dec11Good
Location & terrain

Where is Arauca?

Arauca sits at 7.1°N, 70.8°W, 132 m above sea level, in Colombia. The nearest listed city is Guasdualito, 18 km away.

SocopóTameElorzaCiudad BoliviaEjidoMerida

Topography around Arauca

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

Within 3 km, the terrain around Arauca has only modest variations in elevation — a maximum elevation change of 15 m around an average of 129 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 29 m; within 80 km, only modest variations in elevation — a maximum elevation change of 85 m.

The land around Arauca is covered by trees (42%), grassland (31%) and artificial surfaces (20%) within 3 km, grassland (70%) and trees (26%) within 16 km, and grassland (74%) and trees (25%) within 80 km.

3 km
15 m
16 km
29 m
80 km
85 m
treesgrasslandartificial surfaceswaterwetland
December weather nearby: Guasdualito 18 km · Santa Bárbara 93 km · Socopó 128 km · Tame 128 km · Elorza 139 km · Ciudad Bolivia 143 km · Ejido 171 km · Merida 172 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 1%

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 Arauca (7.0847°, -70.7591°, elevation 132 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).