Guamo weather in December

In December, Guamo sees average daytime highs of 32°C and overnight lows near 23°C, with 69 mm of rain across 11.7 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 7th-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 6% 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 48 min by month's end. Set against the rest of the year, December is Guamo's 3rd-clearest and 11th-windiest month. For the whole year in context, see Guamo's year-round climate.

Daytime high
32°
10th warmest
Overnight low
23°
4th coldest
Rainfall
69 mm
11.7 wet days
Daylight
11 h 48 min
6:03 AM – 5:49 PM
Cloud cover
75%
3rd clearest
Wind
4 km/h
11th windiest
Solar energy
4.73 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 Guamo reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, December runs on par with November and about 1°C cooler than January.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243223
253223
263223
273223
283223
293223
303323
313323

How December really feels in Guamo

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.

Guamo weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°326.711.83.6
Feb34° / 24°488.611.93.1
Mar33° / 23°10415.5122.9
Apr32° / 23°18121.412.12.7
May32° / 23°1692112.22.8
Jun33° / 23°10214.312.23.0
Jul34° / 23°6411.112.22.9
Aug35° / 23°376.812.12.6
Sep35° / 23°5910122.5
Oct33° / 23°12117.311.92.9
Nov31° / 23°11918.611.83.3
Dec32° / 23°6911.711.83.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 79%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21189
31189
41288
51288
61387
71486
81486
91486
101486
111684
121684
131783
141882
151882
161882
172080
182080
192278
202377
212476
222575
232773
242971
252971
263070
273169
283169
293268
303268
313367

Chance of precipitation in December

Any precipitation

Guamo gets around 69 mm of rain over 11.7 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 38% and peaks near 50% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
150
250
349
449
548
648
747
847
946
1045
1145
1244
1343
1442
1541
1640
1739
1838
1937
2036
2134
2233
2331
2429
2528
2627
2725
2825
2924
3023
3123

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 84% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10055243
20065242
30165241
40175240
50185239
60185437
70195436
801105435
901105633
1001115632
1102125630
1202125729
1302125828
1402135926
1503135925
1603136024
1704136122
1804146121
1904146220
2005146219
2105146318
2205156416
2306156415
2406166414
2506176413
2607176412
2717186311
2817186410
291718659
301719658
311719658

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 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 5:56 AM to 6:10 AM, and sunset from 5:43 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:565:43
211.85:575:43
311.85:575:44
411.85:575:44
511.85:585:45
611.85:585:45
711.85:595:45
811.85:595:46
911.86:005:46
1011.86:005:46
1111.86:015:47
1211.86:015:47
1311.86:025:48
1411.86:025:48
1511.86:035:49
1611.86:035:49
1711.86:035:50
1811.86:045:50
1911.86:045:50
2011.86:055:51
2111.86:055:51
2211.86:065:52
2311.86:065:52
2411.86:075:53
2511.86:075:53
2611.86:085:54
2711.86:085:54
2811.86:095:55
2911.86:095:55
3011.86:105:56
3111.86:105:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.73 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 5.62 kWh/m² in September across the year — December's 4.73 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in December

Hazard calendar for Guamo

In seasonPeak

None of Guamo's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Guamo's rainy season runs March–June, 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 Guamo?

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

3.7
Sightseeing
1st-best month of the year
5.9
Beach & pool
2nd-best month of the year

December is a weaker month for outdoor sightseeing in Guamo.

What to pack for Guamo in December

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

In December, Guamo sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Guamo in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guamo peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 14Dec 15UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr10Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec10Very high

Air quality in Guamo 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 Guamo is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (July, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1234 µg/m³Jul 1315 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb33Moderate
Mar35Moderate
Apr27Moderate
May19Moderate
Jun16Moderate
Jul14Moderate
Aug18Moderate
Sep22Moderate
Oct20Moderate
Nov22Moderate
Dec21Moderate
Location & terrain

Where is Guamo?

Guamo sits at 4.0°N, 75.0°W, 323 m above sea level, in Colombia. The nearest listed city is Espinal, 16 km away.

Topography around Guamo

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

Within 3 km, the terrain around Guamo has only modest variations in elevation — a maximum elevation change of 36 m around an average of 318 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 380 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,960 m.

The land around Guamo is covered by grassland (59%) and trees (32%) within 3 km, grassland (43%), cropland (30%) and trees (25%) within 16 km, and trees (56%) and grassland (38%) within 80 km.

3 km
36 m
16 km
380 m
80 km
4,960 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Espinal 16 km · Purificación 20 km · Payandé 33 km · Flandes 34 km · Girardot City 35 km · Rovira 38 km · Melgar 41 km · Natagaima 48 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 Guamo (4.0308°, -74.9701°, elevation 323 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).