Retiro weather in December

In December, Retiro sees average daytime highs of 23°C and overnight lows near 13°C, with 188 mm of rain across 24.4 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 4% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Retiro's 3rd-clearest and 9th-windiest month. For the whole year in context, see Retiro's year-round climate.

Daytime high: 23°; 10th warmest
Overnight low: 13°; 7th coldest
Rainfall: 188 mm; 24.4 wet days
Daylight: 11 h 42 min; 6:09 AM – 5:48 PM
Cloud cover: 81%; 3rd clearest
Wind: 3 km/h; 9th windiest
Solar energy: 4.55 kWh/m²
Travel score: 4.4; out of 10

← November Retiro year-round climate January →Best places to visit in December

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical December day in Retiro reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, December runs on par with November and on par with January.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23
Avg low (°C)	14	14	14	14	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13

	Avg high (°C)	Avg low (°C)
1	23	14
2	23	14
3	23	14
4	23	14
5	23	13
6	23	13
7	23	13
8	23	13
9	23	13
10	23	13
11	23	13
12	23	13
13	23	13
14	23	13
15	23	13
16	23	13
17	23	13
18	23	13
19	23	13
20	23	13
21	23	13
22	23	13
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13
31	23	13

Retiro weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	23° / 13°	136	22.2	11.7	4.8
Feb	23° / 13°	184	22.6	11.8	4.4
Mar	23° / 14°	281	27.6	12	3.9
Apr	23° / 14°	344	28.1	12.1	3.6
May	23° / 14°	368	28.8	12.3	3.7
Jun	24° / 13°	234	25.7	12.3	4.0
Jul	24° / 13°	183	23.7	12.3	4.5
Aug	25° / 13°	194	22.7	12.2	4.6
Sep	24° / 13°	275	26.5	12	4.0
Oct	23° / 13°	321	28.9	11.9	3.6
Nov	22° / 14°	290	28.5	11.7	3.5
Dec	23° / 13°	188	24.4	11.7	4.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 86%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	4	5	5	6	6	7	7	7	8	9	10	10	10	11	12	14	14	14	15	16	17	17	19	20	21	21	22	23	24	24	24
Cloudier (%)	96	95	95	94	94	93	93	93	92	91	90	90	90	89	88	86	86	86	85	84	83	83	81	80	79	79	78	77	76	76	76

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	6	94
5	6	94
6	7	93
7	7	93
8	7	93
9	8	92
10	9	91
11	10	90
12	10	90
13	10	90
14	11	89
15	12	88
16	14	86
17	14	86
18	14	86
19	15	85
20	16	84
21	17	83
22	17	83
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	24	76
30	24	76
31	24	76

Chance of precipitation in December

Any precipitation

Retiro gets around 188 mm of rain over 24.4 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 79% and peaks near 90% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	90	90	89	89	88	87	87	86	86	85	84	83	83	82	81	80	79	78	77	76	75	74	73	72	70	70	69	68	68	68	68

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	87
7	87
8	86
9	86
10	85
11	84
12	83
13	83
14	82
15	81
16	80
17	79
18	78
19	77
20	76
21	75
22	74
23	73
24	72
25	70
26	70
27	69
28	68
29	68
30	68
31	68

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	4	4	5	5	6	6	7	7	8	9	9	10	10	11	11	11
Comfortable (%)	82	83	84	84	85	86	86	87	87	86	87	87	87	86	86	85	84	83	83	82	82	81	82	81	80	81	80	80	80	80	81
Humid (%)	17	16	15	15	14	13	13	12	12	12	11	11	11	11	11	11	12	12	12	12	12	12	11	11	11	10	10	10	9	9	8

	Dry (%)	Comfortable (%)	Humid (%)
1	1	82	17
2	1	83	16
3	1	84	15
4	1	84	15
5	1	85	14
6	1	86	13
7	1	86	13
8	1	87	12
9	1	87	12
10	2	86	12
11	2	87	11
12	2	87	11
13	2	87	11
14	3	86	11
15	3	86	11
16	4	85	11
17	4	84	12
18	5	83	12
19	5	83	12
20	6	82	12
21	6	82	12
22	7	81	12
23	7	82	11
24	8	81	11
25	9	80	11
26	9	81	10
27	10	80	10
28	10	80	10
29	11	80	9
30	11	80	9
31	11	81	8

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 3 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	3	calm
2	3	calm
3	3	calm
4	3	calm
5	3	calm
6	3	calm
7	3	calm
8	3	calm
9	3	calm
10	3	calm
11	3	calm
12	3	calm
13	3	calm
14	3	calm
15	3	calm
16	3	calm
17	3	calm
18	3	calm
19	3	calm
20	3	calm
21	3	calm
22	3	calm
23	3	calm
24	3	calm
25	3	calm
26	3	calm
27	3	calm
28	3	calm
29	3	calm
30	3	calm
31	3	calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 42 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 grow by about 0 minutes over December. Sunrise moves from 6:02 AM to 6:16 AM, and sunset from 5:42 PM to 5:55 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.7	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.6	11.7	11.7	11.7	11.7
Sunrise (AM)	6:02	6:02	6:02	6:03	6:03	6:04	6:04	6:05	6:05	6:06	6:06	6:07	6:07	6:08	6:08	6:09	6:09	6:10	6:10	6:11	6:11	6:12	6:12	6:12	6:13	6:13	6:14	6:14	6:15	6:15	6:16
Sunset (PM)	5:42	5:42	5:43	5:43	5:43	5:44	5:44	5:44	5:45	5:45	5:46	5:46	5:46	5:47	5:47	5:48	5:48	5:49	5:49	5:49	5:50	5:50	5:51	5:51	5:52	5:52	5:53	5:53	5:54	5:54	5:55

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.7	6:02	5:42
2	11.7	6:02	5:42
3	11.7	6:02	5:43
4	11.7	6:03	5:43
5	11.7	6:03	5:43
6	11.7	6:04	5:44
7	11.7	6:04	5:44
8	11.7	6:05	5:44
9	11.7	6:05	5:45
10	11.7	6:06	5:45
11	11.7	6:06	5:46
12	11.7	6:07	5:46
13	11.7	6:07	5:46
14	11.7	6:08	5:47
15	11.7	6:08	5:47
16	11.7	6:09	5:48
17	11.6	6:09	5:48
18	11.6	6:10	5:49
19	11.6	6:10	5:49
20	11.6	6:11	5:49
21	11.6	6:11	5:50
22	11.6	6:12	5:50
23	11.6	6:12	5:51
24	11.6	6:12	5:51
25	11.6	6:13	5:52
26	11.6	6:13	5:52
27	11.6	6:14	5:53
28	11.7	6:14	5:53
29	11.7	6:15	5:54
30	11.7	6:15	5:54
31	11.7	6:16	5:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.55 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.14 kWh/m² in August across the year — December's 4.55 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.3	4.3	4.3	4.3	4.3	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.5	4.5	4.5	4.5	4.5	4.6	4.6	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.8	4.8	4.9	4.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.3	Bright
5	4.3	Bright
6	4.4	Bright
7	4.4	Bright
8	4.4	Bright
9	4.4	Bright
10	4.4	Bright
11	4.4	Bright
12	4.4	Bright
13	4.5	Bright
14	4.5	Bright
15	4.5	Bright
16	4.5	Bright
17	4.5	Bright
18	4.6	Bright
19	4.6	Bright
20	4.6	Bright
21	4.6	Bright
22	4.7	Bright
23	4.7	Bright
24	4.7	Bright
25	4.8	Bright
26	4.8	Bright
27	4.8	Bright
28	4.8	Bright
29	4.8	Bright
30	4.9	Bright
31	4.9	Bright

Planning a trip in December

Is December a good time to visit Retiro?

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

4.4

Sightseeing

4th-best month of the year

3.3

Beach & pool

7th-best month of the year

December is a reasonable time to visit Retiro for sightseeing.

What to pack for Retiro in December

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

In December, Retiro sees daytime highs around 23°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

UV index in Retiro 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 Retiro peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 12 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	15	13	14	13	13	13	14	13	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	14	Extreme
Jun	13	Extreme
Jul	13	Extreme
Aug	13	Extreme
Sep	14	Extreme
Oct	13	Extreme
Nov	12	Extreme
Dec	12	Extreme

Air quality in Retiro 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 Retiro is worst in March — around 30 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (October, 18 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	23	27	30	24	21	20	20	21	20	18	19	22
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	23	Moderate
Feb	27	Moderate
Mar	30	Moderate
Apr	24	Moderate
May	21	Moderate
Jun	20	Moderate
Jul	20	Moderate
Aug	21	Moderate
Sep	20	Moderate
Oct	18	Moderate
Nov	19	Moderate
Dec	22	Moderate

Location & terrain

Where is Retiro?

Retiro sits at 6.1°N, 75.5°W, 2,166 m above sea level, in Colombia. The nearest listed city is La Ceja, 8.0 km away.

Topography around Retiro

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

Within 3 km, the terrain around Retiro has significant variations in elevation — a maximum elevation change of 456 m around an average of 2,287 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,015 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,609 m.

The land around Retiro is covered by trees (57%) and grassland (39%) within 3 km, trees (60%) and grassland (36%) within 16 km, and trees (67%) and grassland (31%) within 80 km.

3 km

456 m

trees 57%

16 km

2,015 m

trees 60%

80 km

3,609 m

trees 67%

treesgrasslandartificial surfaceswater

← November Retiro year-round climate January →Best places to visit in December

December weather nearby: La Ceja 8.0 km · Caldas 15 km · Sabaneta 16 km · Envigado 16 km · Itagüí 18 km · Rionegro 18 km · La Unión 18 km · Carmen de Viboral 19 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

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 Retiro (6.0586°, -75.5031°, elevation 2,166 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).

	Avg high (°C)	Avg low (°C)
1	23	14
2	23	14
3	23	14
4	23	14
5	23	13
6	23	13
7	23	13
8	23	13
9	23	13
10	23	13
11	23	13
12	23	13
13	23	13
14	23	13
15	23	13
16	23	13
17	23	13
18	23	13
19	23	13
20	23	13
21	23	13
22	23	13
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13
31	23	13

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	6	94
5	6	94
6	7	93
7	7	93
8	7	93
9	8	92
10	9	91
11	10	90
12	10	90
13	10	90
14	11	89
15	12	88
16	14	86
17	14	86
18	14	86
19	15	85
20	16	84
21	17	83
22	17	83
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	24	76
30	24	76
31	24	76

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	87
7	87
8	86
9	86
10	85
11	84
12	83
13	83
14	82
15	81
16	80
17	79
18	78
19	77
20	76
21	75
22	74
23	73
24	72
25	70
26	70
27	69
28	68
29	68
30	68
31	68

	Dry (%)	Comfortable (%)	Humid (%)
1	1	82	17
2	1	83	16
3	1	84	15
4	1	84	15
5	1	85	14
6	1	86	13
7	1	86	13
8	1	87	12
9	1	87	12
10	2	86	12
11	2	87	11
12	2	87	11
13	2	87	11
14	3	86	11
15	3	86	11
16	4	85	11
17	4	84	12
18	5	83	12
19	5	83	12
20	6	82	12
21	6	82	12
22	7	81	12
23	7	82	11
24	8	81	11
25	9	80	11
26	9	81	10
27	10	80	10
28	10	80	10
29	11	80	9
30	11	80	9
31	11	81	8

	Avg high (°C)	Avg low (°C)
1	23	14
2	23	14
3	23	14
4	23	14
5	23	13
6	23	13
7	23	13
8	23	13
9	23	13
10	23	13
11	23	13
12	23	13
13	23	13
14	23	13
15	23	13
16	23	13
17	23	13
18	23	13
19	23	13
20	23	13
21	23	13
22	23	13
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13
31	23	13

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	6	94
5	6	94
6	7	93
7	7	93
8	7	93
9	8	92
10	9	91
11	10	90
12	10	90
13	10	90
14	11	89
15	12	88
16	14	86
17	14	86
18	14	86
19	15	85
20	16	84
21	17	83
22	17	83
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	24	76
30	24	76
31	24	76

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	87
7	87
8	86
9	86
10	85
11	84
12	83
13	83
14	82
15	81
16	80
17	79
18	78
19	77
20	76
21	75
22	74
23	73
24	72
25	70
26	70
27	69
28	68
29	68
30	68
31	68

	Dry (%)	Comfortable (%)	Humid (%)
1	1	82	17
2	1	83	16
3	1	84	15
4	1	84	15
5	1	85	14
6	1	86	13
7	1	86	13
8	1	87	12
9	1	87	12
10	2	86	12
11	2	87	11
12	2	87	11
13	2	87	11
14	3	86	11
15	3	86	11
16	4	85	11
17	4	84	12
18	5	83	12
19	5	83	12
20	6	82	12
21	6	82	12
22	7	81	12
23	7	82	11
24	8	81	11
25	9	80	11
26	9	81	10
27	10	80	10
28	10	80	10
29	11	80	9
30	11	80	9
31	11	81	8

	Avg high (°C)	Avg low (°C)
1	23	14
2	23	14
3	23	14
4	23	14
5	23	13
6	23	13
7	23	13
8	23	13
9	23	13
10	23	13
11	23	13
12	23	13
13	23	13
14	23	13
15	23	13
16	23	13
17	23	13
18	23	13
19	23	13
20	23	13
21	23	13
22	23	13
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13
31	23	13

	Clearer (%)	Cloudier (%)
1	4	96
2	5	95
3	5	95
4	6	94
5	6	94
6	7	93
7	7	93
8	7	93
9	8	92
10	9	91
11	10	90
12	10	90
13	10	90
14	11	89
15	12	88
16	14	86
17	14	86
18	14	86
19	15	85
20	16	84
21	17	83
22	17	83
23	19	81
24	20	80
25	21	79
26	21	79
27	22	78
28	23	77
29	24	76
30	24	76
31	24	76

	Rain chance (%)
1	90
2	90
3	89
4	89
5	88
6	87
7	87
8	86
9	86
10	85
11	84
12	83
13	83
14	82
15	81
16	80
17	79
18	78
19	77
20	76
21	75
22	74
23	73
24	72
25	70
26	70
27	69
28	68
29	68
30	68
31	68

	Dry (%)	Comfortable (%)	Humid (%)
1	1	82	17
2	1	83	16
3	1	84	15
4	1	84	15
5	1	85	14
6	1	86	13
7	1	86	13
8	1	87	12
9	1	87	12
10	2	86	12
11	2	87	11
12	2	87	11
13	2	87	11
14	3	86	11
15	3	86	11
16	4	85	11
17	4	84	12
18	5	83	12
19	5	83	12
20	6	82	12
21	6	82	12
22	7	81	12
23	7	82	11
24	8	81	11
25	9	80	11
26	9	81	10
27	10	80	10
28	10	80	10
29	11	80	9
30	11	80	9
31	11	81	8