Roldanillo weather in December

In December, Roldanillo sees average daytime highs of 24°C and overnight lows near 17°C, with 329 mm of rain across 30.2 wet days and about 11.7 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 0% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Roldanillo's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Roldanillo's year-round climate.

Daytime high
24°
6th warmest
Overnight low
17°
8th coldest
Rainfall
329 mm
30.2 wet days
Daylight
11 h 42 min
6:08 AM – 5:53 PM
Cloud cover
88%
3rd clearest
Wind
4 km/h
2nd windiest
Solar energy
3.37 kWh/m²
Travel score
3.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Roldanillo reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 26°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32417
42417
52417
62417
72417
82417
92417
102417
112417
122417
132417
142417
152417
162417
172417
182417
192417
202417
212417
222417
232417
242417
252417
262417
272417
282417
292417
302417
312417

Roldanillo weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°2593011.83.7
Feb25° / 18°26327.111.93.6
Mar25° / 18°34130.4123.5
Apr24° / 18°43629.512.13.5
May24° / 18°45630.912.23.4
Jun24° / 17°38829.812.33.5
Jul24° / 17°34830.612.23.5
Aug24° / 17°33930.612.13.5
Sep24° / 17°39629.9123.5
Oct24° / 17°46130.911.93.5
Nov24° / 17°44929.311.83.5
Dec24° / 17°32930.211.73.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 3% of December, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10298
11298
12298
13298
14298
15397
16397
17397
18496
19496
20595
21595
22694
23694
24694
25694
26793
27793
28793
29793
30892
31991

Chance of precipitation in December

Any precipitation

Roldanillo gets around 329 mm of rain over 30.2 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 97% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
197
298
398
498
598
698
798
898
998
1098
1198
1298
1398
1497
1597
1697
1797
1897
1997
2097
2197
2297
2397
2497
2597
2696
2796
2896
2996
3096
3196

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the muggy band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)
14159
24060
34060
44060
54060
63961
73961
84060
94060
104060
114060
124060
134060
144060
154060
164060
174060
184159
194159
204159
214258
224258
234258
244258
254258
264258
274258
284258
294258
304258
314258

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 4 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
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 48 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:01 AM to 6:15 AM, and sunset from 5:47 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:015:47
211.86:025:48
311.86:025:48
411.86:035:48
511.86:035:49
611.86:045:49
711.86:045:49
811.86:055:50
911.86:055:50
1011.86:065:51
1111.76:065:51
1211.76:065:51
1311.76:075:52
1411.76:075:52
1511.76:085:53
1611.76:085:53
1711.76:095:54
1811.76:095:54
1911.76:105:55
2011.76:105:55
2111.76:115:55
2211.76:115:56
2311.76:125:56
2411.76:125:57
2511.76:135:57
2611.76:135:58
2711.76:145:58
2811.76:145:59
2911.76:145:59
3011.76:156:00
3111.76:156:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.37 kWh/m².

For context, solar energy here swings from a low near 3.15 kWh/m² to a high of 4.05 kWh/m² in March across the year — December's 3.37 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.2Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Is December a good time to visit Roldanillo?

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

3.6
Sightseeing
2nd-best month of the year
3.1
Beach & pool
4th-best month of the year

December is a weaker month for outdoor sightseeing in Roldanillo.

What to pack for Roldanillo in December

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

In December, Roldanillo sees daytime highs around 24°C and nights near 17°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.

rain gearlight clothes

UV index in Roldanillo 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 Roldanillo peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 15Dec 13UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr11Extreme
May14Extreme
Jun12Extreme
Jul13Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Roldanillo 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 Roldanillo is worst in March — around 21 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (August, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1621 µg/m³Aug 1812 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar21Moderate
Apr19Moderate
May16Moderate
Jun13Moderate
Jul13Moderate
Aug12Moderate
Sep13Moderate
Oct13Moderate
Nov12Moderate
Dec14Moderate
Location & terrain

Where is Roldanillo?

Roldanillo sits at 4.4°N, 76.2°W, 945 m above sea level, in Colombia. The nearest listed city is Zarzal, 9.0 km away.

Topography around Roldanillo

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

Within 3 km, the terrain around Roldanillo has large variations in elevation — a maximum elevation change of 650 m around an average of 1,021 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,421 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,108 m.

The land around Roldanillo is covered by grassland (44%) and trees (38%) within 3 km, grassland (42%) and trees (38%) within 16 km, and trees (73%) and grassland (23%) within 80 km.

3 km
650 m
16 km
1,421 m
80 km
4,108 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Zarzal 9.0 km · La Unión 15 km · Andalucía 27 km · Sevilla 30 km · Tuluá 37 km · Caicedonia 37 km · La Tebaida 41 km · Cartago 46 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 Roldanillo (4.4126°, -76.1546°, elevation 945 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).