Roldanillo weather in January

In January, Roldanillo sees average daytime highs of 25°C and overnight lows near 17°C, with 259 mm of rain across 30 wet days and about 11.8 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is Roldanillo's 1st-clearest and 2nd-windiest month. For the whole year in context, see Roldanillo's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
17°
8th coldest
Rainfall
259 mm
30 wet days
Daylight
11 h 48 min
6:21 AM – 6:07 PM
Cloud cover
84%
1st clearest
Wind
4 km/h
2nd windiest
Solar energy
3.79 kWh/m²
Travel score
3.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical January day in Roldanillo reaches about 25°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 23°C and 26°C. Set against its neighbours, January runs on par with December and on par with February.

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
172517
182517
192517
202517
212517
222517
232517
242517
252517
262517
272517
282517
292517
302517
312517

Roldanillo weather by month

How January compares with the rest of the year at a glance. January is the 3rd-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
9793
10793
11793
12793
13694
14694
15694
16694
17694
18694
19595
20694
21694
22694
23595
24595
25595
26595
27694
28694
29694
30694
31793

Chance of precipitation in January

Any precipitation

Roldanillo gets around 259 mm of rain over 30 wet days in January, the driest month. 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 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
396
496
596
696
796
896
996
1096
1196
1296
1396
1497
1597
1697
1797
1897
1997
2097
2197
2297
2397
2497
2597
2697
2797
2897
2997
3097
3197

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)
14258
24159
34159
44159
54159
64060
74060
84060
94060
104060
114060
124060
134159
144159
154159
164159
174159
184159
194159
204159
214159
224159
234060
244060
254060
263961
273961
283961
293862
303862
313862

Wind in January

Winds average 4 km/h in January.

Across January, 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 January

DaylightNight

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

Days grow by about 6 minutes over January. Sunrise moves from 6:15 AM to 6:24 AM, and sunset from 6:00 PM to 6:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:156:00
211.76:166:01
311.86:166:01
411.86:176:02
511.86:176:02
611.86:176:03
711.86:186:03
811.86:186:04
911.86:196:04
1011.86:196:04
1111.86:196:05
1211.86:206:05
1311.86:206:06
1411.86:206:06
1511.86:216:07
1611.86:216:07
1711.86:216:07
1811.86:216:08
1911.86:226:08
2011.86:226:09
2111.86:226:09
2211.86:226:09
2311.86:236:10
2411.86:236:10
2511.86:236:10
2611.86:236:11
2711.86:236:11
2811.86:236:11
2911.86:246:12
3011.86:246:12
3111.86:246:12

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.79 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 — January's 3.79 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in January

Is January a good time to visit Roldanillo?

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

3.7
Sightseeing
1st-best month of the year
3.2
Beach & pool
1st-best month of the year

January is a weaker month for outdoor sightseeing in Roldanillo.

What to pack for Roldanillo in January

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

In January, Roldanillo sees daytime highs around 25°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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).