San Antero weather in January

In January, San Antero sees average daytime highs of 32°C and overnight lows near 25°C, with 28 mm of rain across 8 wet days and about 11.5 hours of daylight. It is the 4th-warmest and 11th-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 49% of the time in January, and the air most often feels miserable.

Daylight stretches from about 11 h 30 min at the start of January to 11 h 36 min by month's end. Set against the rest of the year, January is San Antero's 1st-clearest and 3rd-windiest month. For the whole year in context, see San Antero's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
7th coldest
Rainfall
28 mm
8 wet days
Daylight
11 h 30 min
6:27 AM – 5:58 PM
Cloud cover
45%
1st clearest
Wind
8 km/h
3rd windiest
Solar energy
5.43 kWh/m²
Travel score
4.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in San Antero reaches about 32°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, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How January really feels in San Antero

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Antero weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 25°28811.54.5
Feb32° / 26°266.511.74.2
Mar32° / 26°5412.811.93.5
Apr32° / 26°15524.412.22.5
May31° / 25°26429.412.42.3
Jun31° / 25°25928.512.52.3
Jul31° / 25°24628.812.52.3
Aug31° / 25°2452912.32.3
Sep31° / 25°24329.212.12.3
Oct31° / 25°24029.711.82.5
Nov31° / 25°18627.111.62.7
Dec31° / 25°9119.111.53.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36436
46634
56634
66733
76733
86832
96832
106832
116931
126931
137030
147030
157030
167030
177129
187129
197129
207228
217129
227228
237228
247228
257327
267327
277228
287228
297228
307129
317129

Chance of precipitation in January

Any precipitation

San Antero gets around 28 mm of rain over 8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
435
534
634
733
833
932
1032
1131
1230
1329
1428
1527
1625
1724
1823
1922
2021
2120
2220
2319
2418
2518
2618
2718
2818
2918
3018
3119

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the miserable band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12674
22773
32872
42872
52971
63070
73070
83169
93268
103367
113466
123565
133565
143664
153763
163862
173862
183961
193961
204060
214060
224060
234060
244060
254159
264159
274159
284258
294258
304357
314357

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 30 min at the start of January to 11 h 36 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 6:22 AM to 6:29 AM, and sunset from 5:50 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:225:50
211.56:235:51
311.56:235:51
411.56:235:52
511.56:245:52
611.56:245:53
711.56:255:53
811.56:255:54
911.56:255:54
1011.56:265:55
1111.56:265:55
1211.56:265:56
1311.56:265:56
1411.56:275:57
1511.56:275:57
1611.56:275:58
1711.56:275:58
1811.56:285:59
1911.56:285:59
2011.56:285:59
2111.56:286:00
2211.56:286:00
2311.56:286:01
2411.56:286:01
2511.66:286:02
2611.66:296:02
2711.66:296:02
2811.66:296:03
2911.66:296:03
3011.66:296:04
3111.66:296:04

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.43 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 5.96 kWh/m² in March across the year — January's 5.43 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Is January a good time to visit San Antero?

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

4.5
Sightseeing
1st-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for San Antero in January

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

In January, San Antero sees daytime highs around 32°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near San Antero in January

The nearest coast averages about 29°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 31 km away) is warmest in July at about 30°C and coldest in March near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Tropical
Mar28Warm
Apr28Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in San Antero in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (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 Antero peaks around March 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 16UV 13Dec 14UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in San Antero 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 San Antero is worst in March — around 27 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2327 µg/m³Nov 1314 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb20Moderate
Mar27Moderate
Apr27Moderate
May24Moderate
Jun21Moderate
Jul23Moderate
Aug19Moderate
Sep16Moderate
Oct15Moderate
Nov14Moderate
Dec16Moderate
Location & terrain

Where is San Antero?

San Antero sits at 9.4°N, 75.8°W, 45 m above sea level, in Colombia. The nearest listed city is Lorica, 16 km away.

Topography around San Antero

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

Within 3 km, the terrain around San Antero has only modest variations in elevation — a maximum elevation change of 164 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 246 m; within 80 km, large variations in elevation — a maximum elevation change of 708 m.

The land around San Antero is covered by grassland (66%) and trees (27%) within 3 km, grassland (40%) and water (34%) within 16 km, and grassland (49%) and water (31%) within 80 km.

3 km
164 m
16 km
246 m
80 km
708 m
treesgrasslandartificial surfaceswaterwetlandmangroves
January weather nearby: Lorica 16 km · Momil 18 km · Santiago de Tolú 26 km · Tolú Viejo 36 km · Cotorra 37 km · Sincelejo 41 km · Sampués 46 km · San Onofre 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 San Antero (9.3741°, -75.7589°, elevation 45 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).