San Estanislao weather in December

In December, San Estanislao sees average daytime highs of 31°C and overnight lows near 25°C, with 61 mm of rain across 12.1 wet days and about 11.4 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels miserable.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is San Estanislao's 4th-clearest and 5th-windiest month. For the whole year in context, see San Estanislao's year-round climate.

Daytime high
31°
9th warmest
Overnight low
25°
4th coldest
Rainfall
61 mm
12.1 wet days
Daylight
11 h 24 min
6:15 AM – 5:39 PM
Cloud cover
54%
4th clearest
Wind
9 km/h
5th windiest
Solar energy
5.01 kWh/m²
Travel score
4.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in San Estanislao reaches about 31°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, December runs about 1°C warmer than November and about 2°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293224
303224
313224

How December really feels in San Estanislao

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.

San Estanislao weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°123.311.54.3
Feb34° / 25°112.811.73.6
Mar34° / 25°368.211.93.1
Apr33° / 26°11120.112.22.4
May32° / 26°21327.712.52.3
Jun32° / 25°18125.612.62.5
Jul32° / 25°15925.412.52.5
Aug32° / 25°19227.812.32.4
Sep31° / 25°21428.512.12.4
Oct31° / 25°24129.311.82.5
Nov31° / 25°18325.411.52.9
Dec31° / 25°6112.111.44.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34258
44258
54357
64357
74357
84456
94555
104555
114654
124753
134852
145050
155149
165347
175545
185743
195842
205941
216139
226337
236436
246535
256733
266832
276931
287030
297129
307228
317228

Chance of precipitation in December

Any precipitation

San Estanislao gets around 61 mm of rain over 12.1 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 40% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
163
261
359
458
556
655
753
852
950
1049
1147
1246
1344
1443
1541
1640
1738
1836
1935
2033
2132
2230
2328
2427
2526
2624
2723
2822
2921
3020
3120

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the miserable band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
102278
202278
302377
402575
502674
602773
702872
802971
903169
1003268
1103367
1203565
1303664
1403862
1503961
1604159
1704357
1804456
1914653
2014851
2114950
2215148
2325246
2425444
2525642
2625840
2736037
2836235
2936433
3036730
3136928

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 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 6:07 AM to 6:22 AM, and sunset from 5:33 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:075:33
211.46:085:34
311.46:085:34
411.46:095:34
511.46:095:35
611.46:105:35
711.46:105:35
811.46:115:36
911.46:115:36
1011.46:125:36
1111.46:125:37
1211.46:135:37
1311.46:135:37
1411.46:145:38
1511.46:145:38
1611.46:155:39
1711.46:155:39
1811.46:165:39
1911.46:165:40
2011.46:175:40
2111.46:175:41
2211.46:185:41
2311.46:185:42
2411.46:195:42
2511.46:195:43
2611.46:205:43
2711.46:205:44
2811.46:215:44
2911.46:215:45
3011.46:215:45
3111.46:225:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.22 kWh/m² in March across the year — December's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in December

Hazard calendar for San Estanislao

In seasonPeak

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

San Estanislao's rainy season runs April–November, 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 San Estanislao?

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

4.1
Sightseeing
2nd-best month of the year
6.3
Beach & pool
3rd-best month of the year

December is a reasonable time to visit San Estanislao for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Estanislao in December

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

In December, San Estanislao sees daytime highs around 31°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near San Estanislao in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 km away) is warmest in September at about 29°C and coldest in March near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar26Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in San Estanislao in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Estanislao peaks around June 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highJun 12UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Very high
Dec9Very high

Air quality in San Estanislao 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 San Estanislao is worst in March — around 42 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (November, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1841 µg/m³Nov 2116 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb25Moderate
Mar42Poor
Apr31Moderate
May31Moderate
Jun31Moderate
Jul30Moderate
Aug24Moderate
Sep20Moderate
Oct18Moderate
Nov16Moderate
Dec17Moderate
Location & terrain

Where is San Estanislao?

San Estanislao sits at 10.4°N, 75.2°W, 16 m above sea level, in Colombia. The nearest listed city is Repelón, 11 km away.

Topography around San Estanislao

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

Within 3 km, the terrain around San Estanislao has only modest variations in elevation — a maximum elevation change of 108 m around an average of 21 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 525 m; within 80 km, large variations in elevation — a maximum elevation change of 811 m.

The land around San Estanislao is covered by grassland (37%) and trees (34%) within 3 km, grassland (38%) and trees (33%) within 16 km, and grassland (35%), water (32%) and trees (26%) within 80 km.

3 km
108 m
16 km
525 m
80 km
811 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Repelón 11 km · Mahates 19 km · Manatí 22 km · Santa Lucía 22 km · Luruaco 24 km · Santa Rosa 24 km · Arjona 26 km · Campo de la Cruz 29 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 San Estanislao (10.3983°, -75.1511°, elevation 16 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).