Arjona weather in December

In December, Arjona sees average daytime highs of 32°C and overnight lows near 24°C, with 65 mm of rain across 13.6 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 34% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Arjona's 4th-clearest and 5th-windiest month. For the whole year in context, see Arjona's year-round climate.

Daytime high
32°
7th warmest
Overnight low
24°
2nd coldest
Rainfall
65 mm
13.6 wet days
Daylight
11 h 24 min
6:15 AM – 5:40 PM
Cloud cover
57%
4th clearest
Wind
7 km/h
5th windiest
Solar energy
4.88 kWh/m²
Travel score
3.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical December day in Arjona reaches about 32°C in the afternoon and slips back to 24°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 34°C. Set against its neighbours, December runs about 1°C warmer than November and about 2°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303324
313324

How December really feels in Arjona

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.

Arjona weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°154.411.53.8
Feb35° / 25°174.611.73.0
Mar35° / 25°4510.911.92.6
Apr33° / 25°11922.312.22.3
May32° / 25°1992812.52.3
Jun32° / 25°17025.312.62.4
Jul32° / 25°14724.212.52.5
Aug32° / 25°17627.512.32.3
Sep31° / 25°19327.912.12.4
Oct31° / 24°21529.111.82.5
Nov31° / 24°16225.211.52.8
Dec32° / 24°6513.611.43.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33961
43961
54060
63961
74060
84258
94258
104258
114357
124555
134555
144753
154852
165149
175347
185446
195644
205842
216040
226139
236337
246436
256535
266634
276832
286931
297030
307030
317129

Chance of precipitation in December

Any precipitation

Arjona gets around 65 mm of rain over 13.6 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 45% and peaks near 66% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
264
363
462
561
660
758
857
956
1054
1153
1252
1350
1449
1547
1646
1744
1842
1940
2039
2137
2235
2333
2431
2530
2628
2727
2826
2925
3024
3123

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
102773
202773
302872
402971
503169
603268
703367
803565
903664
1003763
1103961
1204060
1304159
1404357
1504456
1604654
1704753
1804951
1915049
2015148
2115346
2215445
2325543
2425642
2525840
2635938
2736136
2836433
2936631
3036829
3146927

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 8 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
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 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 6:08 AM to 6:22 AM, and sunset from 5:34 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:085:34
211.46:085:35
311.46:095:35
411.46:095:35
511.46:105:36
611.46:105:36
711.46:115:36
811.46:115:37
911.46:125:37
1011.46:125:37
1111.46:135:38
1211.46:135:38
1311.46:145:38
1411.46:145:39
1511.46:155:39
1611.46:155:40
1711.46:165:40
1811.46:165:41
1911.46:175:41
2011.46:175:41
2111.46:185:42
2211.46:185:42
2311.46:195:43
2411.46:195:43
2511.46:205:44
2611.46:205:44
2711.46:215:45
2811.46:215:45
2911.46:215:46
3011.46:225:46
3111.46:225:47

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.88 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 5.94 kWh/m² in March across the year — December's 4.88 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Is December a good time to visit Arjona?

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

3.7
Sightseeing
2nd-best month of the year
5.9
Beach & pool
3rd-best month of the year

December is a weaker month for outdoor sightseeing in Arjona.

What to pack for Arjona in December

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

In December, Arjona sees daytime highs around 32°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Arjona in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 34 km away) is warmest in June at about 30°C and coldest in March near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb27Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun30Tropical
Jul30Tropical
Aug29Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Arjona 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 Arjona peaks around June 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 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 highJun 12UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in Arjona 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 Arjona is worst in March — around 42 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (November, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1841 µg/m³Nov 2116 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb25Moderate
Mar42Poor
Apr31Moderate
May31Moderate
Jun31Moderate
Jul30Moderate
Aug24Moderate
Sep20Moderate
Oct18Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is Arjona?

Arjona sits at 10.3°N, 75.3°W, 62 m above sea level, in Colombia. The nearest listed city is Turbaco, 11 km away.

Topography around Arjona

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

Within 3 km, the terrain around Arjona has only modest variations in elevation — a maximum elevation change of 65 m around an average of 57 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 230 m; within 80 km, large variations in elevation — a maximum elevation change of 811 m.

The land around Arjona is covered by grassland (62%) and trees (24%) within 3 km, grassland (54%) and trees (35%) within 16 km, and water (37%), grassland (31%) and trees (28%) within 80 km.

3 km
65 m
16 km
230 m
80 km
811 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
December weather nearby: Turbaco 11 km · Mahates 17 km · Santa Rosa 21 km · Cartagena 23 km · San Pablo 24 km · San Estanislao 26 km · María la Baja 31 km · Repelón 36 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 Arjona (10.2544°, -75.3439°, elevation 62 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).