Rioblanco weather in December

In December, Rioblanco sees average daytime highs of 22°C and overnight lows near 12°C, with 147 mm of rain across 13.7 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels dry.

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

Daytime high
22°
11th warmest
Overnight low
12°
5th coldest
Rainfall
147 mm
13.7 wet days
Daylight
11 h 48 min
6:05 AM – 5:53 PM
Cloud cover
77%
3rd clearest
Wind
3 km/h
11th windiest
Solar energy
4.81 kWh/m²
Travel score
5.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical December day in Rioblanco reaches about 22°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82213
92213
102213
112113
122112
132112
142112
152112
162112
172112
182212
192212
202212
212212
222212
232212
242212
252212
262212
272212
282212
292212
302212
312212

Rioblanco weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 12°10411.111.86.2
Feb22° / 12°7210.611.96.2
Mar22° / 13°10414.4125.7
Apr22° / 13°1211612.15.1
May22° / 13°6812.112.25.8
Jun22° / 13°19512.26.8
Jul23° / 12°113.412.27.3
Aug24° / 12°61.312.17.8
Sep24° / 13°244.7127.2
Oct23° / 13°14314.611.95.6
Nov21° / 13°21318.511.84.9
Dec22° / 12°14713.711.85.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21288
31288
41486
51486
61585
71585
81585
91684
101684
111684
121882
131882
141882
151981
161981
171981
182080
192179
202179
212377
222476
232575
242674
252674
262872
273070
283169
293169
303169
313268

Chance of precipitation in December

Any precipitation

Rioblanco gets around 147 mm of rain over 13.7 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 44% and peaks near 55% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
254
353
452
552
651
751
850
949
1049
1148
1247
1347
1446
1545
1645
1744
1844
1943
2042
2141
2240
2339
2438
2537
2636
2735
2834
2934
3034
3134

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
14852
24852
34951
45050
55149
65149
75248
85347
95347
105446
115545
125644
135743
145842
155842
165941
176040
186139
196337
206436
216535
226634
236832
246931
257129
267228
277327
287426
297426
307426
317426

Wind in December

Winds average 3 km/h in December.

Across December, daily wind ranges from about 3 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
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
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 48 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 5:58 AM to 6:12 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)
111.85:585:47
211.85:585:47
311.85:595:47
411.85:595:48
511.86:005:48
611.86:005:48
711.86:015:49
811.86:015:49
911.86:025:50
1011.86:025:50
1111.86:025:50
1211.86:035:51
1311.86:035:51
1411.86:045:52
1511.86:045:52
1611.86:055:53
1711.86:055:53
1811.86:065:54
1911.86:065:54
2011.86:075:54
2111.86:075:55
2211.86:085:55
2311.86:085:56
2411.86:095:56
2511.86:095:57
2611.86:105:57
2711.86:105:58
2811.86:105:58
2911.86:115:59
3011.86:115:59
3111.86:126:00

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.81 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 5.46 kWh/m² in August across the year — December's 4.81 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Hazard calendar for Rioblanco

In seasonPeak

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

Rioblanco's rainy season runs March–April, 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 Rioblanco?

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

5.7
Sightseeing
8th-best month of the year
3.8
Beach & pool
10th-best month of the year

December is a reasonable time to visit Rioblanco for sightseeing.

What to pack for Rioblanco in December

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

In December, Rioblanco sees daytime highs around 22°C and nights near 12°C. Worth packing: rain gear and sun protection. About 14 days see rain.

rain gearsun protection

UV index in Rioblanco in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rioblanco peaks around February 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 16Dec 11UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Rioblanco 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 Rioblanco is worst in March — around 25 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1525 µg/m³Jul 159 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb22Moderate
Mar25Moderate
Apr19Moderate
May13Moderate
Jun11Good
Jul9Good
Aug12Good
Sep14Moderate
Oct14Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Rioblanco?

Rioblanco sits at 3.5°N, 75.6°W, 1,038 m above sea level, in Colombia. The nearest listed city is Chaparral, 28 km away.

Topography around Rioblanco

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

Within 3 km, the terrain around Rioblanco has large variations in elevation — a maximum elevation change of 976 m around an average of 1,219 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,947 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,060 m.

The land around Rioblanco is covered by trees (59%) and grassland (41%) within 3 km, trees (73%) and grassland (27%) within 16 km, and trees (59%) and grassland (36%) within 80 km.

3 km
976 m
16 km
2,947 m
80 km
5,060 m
treesgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Chaparral 28 km · Planadas 37 km · Natagaima 62 km · Pradera 68 km · Florida 69 km · Miranda 72 km · Palmira 73 km · El Cerrito 76 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 Rioblanco (3.5297°, -75.6453°, elevation 1,038 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).