San Martín weather in October

In October, San Martín sees average daytime highs of 29°C and overnight lows near 20°C, with 168 mm of rain across 22.3 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 3% of the time in October, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of October to 11 h 54 min by month's end. Set against the rest of the year, October is San Martín's 9th-clearest and 6th-windiest month. For the whole year in context, see San Martín's year-round climate.

Daytime high
29°
5th warmest
Overnight low
20°
7th coldest
Rainfall
168 mm
22.3 wet days
Daylight
11 h 54 min
5:42 AM – 5:37 PM
Cloud cover
80%
9th clearest
Wind
3 km/h
6th windiest
Solar energy
5.47 kWh/m²
Travel score
3.8
out of 10

San Martín is village in Meta, Colombia.

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October day in San Martín reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, October runs on par with September and on par with November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12919
22919
32919
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

San Martín weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 7th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41783
51783
61585
71585
81585
91486
101486
111387
121387
131387
141387
151387
161486
171486
181486
191486
201486
211486
221486
231486
241585
251585
261585
271585
281585
291684
301585
311585

Chance of precipitation in October

Any precipitation

San Martín gets around 168 mm of rain over 22.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
274
374
474
575
675
776
876
976
1077
1177
1277
1377
1476
1576
1675
1774
1873
1972
2071
2171
2270
2369
2469
2568
2668
2768
2867
2967
3067
3167

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 88% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1214840
2114850
3114850
4114850
5114850
6014851
7014851
8013861
9013861
10012871
11012871
12011881
13011881
14010891
15010891
1609901
1709901
1808911
1908911
2008911
2107921
2207921
2307921
2407912
2507912
2608902
2708902
2808902
2908902
3008893
3108893

Wind in October

Winds average 3 km/h in October.

Across October, daily wind ranges from about 3 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
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over October. Sunrise moves from 5:45 AM to 5:42 AM, and sunset from 5:43 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:455:43
212.05:455:42
312.05:445:42
412.05:445:42
512.05:445:41
612.05:445:41
711.95:445:40
811.95:435:40
911.95:435:40
1011.95:435:39
1111.95:435:39
1211.95:435:39
1311.95:435:38
1411.95:435:38
1511.95:425:38
1611.95:425:37
1711.95:425:37
1811.95:425:37
1911.95:425:37
2011.95:425:36
2111.95:425:36
2211.95:425:36
2311.95:425:36
2411.95:425:35
2511.95:425:35
2611.95:425:35
2711.95:425:35
2811.95:425:35
2911.95:425:35
3011.95:425:35
3111.95:425:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.47 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 — October's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Hazard calendar for San Martín

In seasonPeak

In October, San Martín sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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 October a good time to visit San Martín?

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

3.8
Sightseeing
9th-best month of the year
4.8
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in San Martín.

What to pack for San Martín in October

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

In October, San Martín sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in San Martín in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).