San Martín weather in January

In January, San Martín sees average daytime highs of 30°C and overnight lows near 20°C, with 36 mm of rain across 7.3 wet days and about 11.8 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 21% of the time in January, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is San Martín's 1st-clearest and 1st-windiest month. For the whole year in context, see San Martín's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
20°
7th coldest
Rainfall
36 mm
7.3 wet days
Daylight
11 h 48 min
6:10 AM – 5:58 PM
Cloud cover
62%
1st clearest
Wind
6 km/h
1st windiest
Solar energy
5.5 kWh/m²
Travel score
5.2
out of 10

San Martín is village in Meta, Colombia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in San Martín reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, January runs about 1°C warmer than December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243020
253020
263120
273120
283120
293120
303120
313120

San Martín weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°367.311.85.2
Feb31° / 20°578.911.94.6
Mar30° / 20°15115.8124.2
Apr28° / 20°27624.312.13.6
May28° / 20°35127.312.23.7
Jun27° / 19°35627.112.23.7
Jul26° / 19°36827.512.23.9
Aug27° / 19°2362512.14.1
Sep28° / 19°17322.8123.9
Oct29° / 20°16822.311.93.8
Nov29° / 20°16019.511.84.2
Dec29° / 20°6211.411.85.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34654
44555
54555
64555
74456
84357
94159
104159
114159
123961
133961
143961
153862
163862
173862
183862
193862
203862
213961
224060
234060
244159
254159
264258
274357
284357
294357
304159
314159

Chance of precipitation in January

Any precipitation

San Martín gets around 36 mm of rain over 7.3 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
528
627
727
828
928
1028
1128
1227
1327
1427
1526
1626
1725
1824
1923
2022
2122
2221
2320
2420
2520
2619
2719
2819
2919
3020
3120

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15264326
25264226
36274225
46274225
56274224
66274324
76274323
86274323
96284423
105284422
115284522
125294521
134304520
144314520
154324519
164334518
174344417
184364316
195374216
205384115
216394015
227403915
237403815
248403715
259403615
2610403515
2710403515
2811393515
2912393415
3012383416
3113373416

Wind in January

Winds average 6 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 48 min at the start of January 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 January. Sunrise moves from 6:04 AM to 6:13 AM, and sunset from 5:52 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:045:52
211.86:055:52
311.86:055:53
411.86:065:53
511.86:065:54
611.86:065:54
711.86:075:54
811.86:075:55
911.86:075:55
1011.86:085:56
1111.86:085:56
1211.86:095:57
1311.86:095:57
1411.86:095:57
1511.86:105:58
1611.86:105:58
1711.86:105:59
1811.86:105:59
1911.86:115:59
2011.86:116:00
2111.86:116:00
2211.86:116:01
2311.86:126:01
2411.86:126:01
2511.86:126:02
2611.86:126:02
2711.86:126:02
2811.86:136:02
2911.86:136:03
3011.86:136:03
3111.86:136:03

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 5.82 kWh/m² in September across the year — January's 5.5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for San Martín

In seasonPeak

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

San Martín's rainy season runs April–October, when most of the year's rain falls.

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

Is January a good time to visit San Martín?

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

5.2
Sightseeing
1st-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for San Martín in January

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

In January, San Martín sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in San Martín in January

LowModerateHighVery highExtreme

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

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 13UV 14Dec 13UV 11
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar13Extreme
Apr11Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in San Martín 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 Martín is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1932 µg/m³Jul 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb23Moderate
Mar33Moderate
Apr27Moderate
May21Moderate
Jun19Moderate
Jul16Moderate
Aug18Moderate
Sep18Moderate
Oct19Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is San Martín?

San Martín sits at 3.7°N, 73.7°W, 425 m above sea level, in Colombia. The nearest listed city is Granada, 17 km away.

SibatéSilvania

Topography around San Martín

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

Within 3 km, the terrain around San Martín has only modest variations in elevation — a maximum elevation change of 70 m around an average of 420 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 429 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,026 m.

The land around San Martín is covered by grassland (68%) and trees (26%) within 3 km, grassland (63%) and trees (33%) within 16 km, and grassland (50%) and trees (48%) within 80 km.

3 km
70 m
16 km
429 m
80 km
4,026 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Granada 17 km · Acacías 33 km · Villavicencio 49 km · Restrepo 64 km · Puerto López 94 km · Fusagasugá 102 km · Sibaté 108 km · Silvania 110 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 Martín (3.6964°, -73.6996°, elevation 425 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).