Santa Rosa de Osos weather in October

In October, Santa Rosa de Osos sees average daytime highs of 21°C and overnight lows near 13°C, with 384 mm of rain across 28.2 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 0% of the time in October, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 48 min by month's end. Set against the rest of the year, October is Santa Rosa de Osos's 10th-clearest and 10th-windiest month. For the whole year in context, see Santa Rosa de Osos's year-round climate.

Daytime high
21°
8th warmest
Overnight low
13°
7th coldest
Rainfall
384 mm
28.2 wet days
Daylight
11 h 54 min
5:51 AM – 5:42 PM
Cloud cover
94%
10th clearest
Wind
3 km/h
10th windiest
Solar energy
4.71 kWh/m²
Travel score
3.6
out of 10
Founded
1636

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 21°C through the month.

A typical October day in Santa Rosa de Osos reaches about 21°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°C. Set against its neighbours, October runs about 1°C cooler than September and on par with November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52113
62113
72113
82113
92113
102113
112113
122113
132113
142113
152113
162113
172113
182113
192113
202113
212113
222113
232113
242113
252113
262113
272113
282113
292113
302113
312113

Santa Rosa de Osos weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 12°10819.411.75.0
Feb21° / 12°16821.611.84.3
Mar21° / 13°31327.9123.7
Apr22° / 13°42627.712.13.5
May22° / 13°4142712.33.8
Jun22° / 13°20720.412.44.5
Jul22° / 13°16218.112.35.1
Aug23° / 13°18717.412.25.1
Sep22° / 13°30423.1124.2
Oct21° / 13°38428.211.93.6
Nov21° / 13°33127.511.73.5
Dec21° / 12°17422.411.64.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 1% of October, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Chance of precipitation in October

Any precipitation

Santa Rosa de Osos gets around 384 mm of rain over 28.2 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 91% and peaks near 95% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
184
285
385
485
586
686
787
887
988
1088
1189
1289
1390
1490
1591
1691
1792
1892
1993
2093
2194
2294
2394
2495
2595
2695
2795
2895
2995
3095
3195

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the comfortable band about 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
113861
213861
313861
413861
513861
613861
713852
813852
913852
1013852
1112862
1212862
1312862
1411872
1511872
1611872
1710882
189892
199892
208902
218911
227921
236931
246931
255941
265941
274951
284951
293952
303952
313952

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 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 48 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 5:53 AM to 5:52 AM, and sunset from 5:49 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:535:49
211.95:525:49
311.95:525:48
411.95:525:48
511.95:525:47
611.95:525:47
711.95:525:46
811.95:525:46
911.95:525:45
1011.95:525:45
1111.95:525:44
1211.95:515:44
1311.95:515:44
1411.95:515:43
1511.95:515:43
1611.95:515:42
1711.85:515:42
1811.85:515:42
1911.85:515:41
2011.85:515:41
2111.85:515:41
2211.85:515:40
2311.85:525:40
2411.85:525:40
2511.85:525:40
2611.85:525:39
2711.85:525:39
2811.85:525:39
2911.85:525:39
3011.85:525:39
3111.85:525:38

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.71 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 5.77 kWh/m² in August across the year — October's 4.71 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in October

Is October a good time to visit Santa Rosa de Osos?

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

3.6
Sightseeing
10th-best month of the year
2.3
Beach & pool
11th-best month of the year

October is a weaker month for outdoor sightseeing in Santa Rosa de Osos.

What to pack for Santa Rosa de Osos in October

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

In October, Santa Rosa de Osos sees daytime highs around 21°C and nights near 13°C. Pack rain gear. Worth having: sun protection. About 28 days see rain.

rain gearsun protection

UV index in Santa Rosa de Osos 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 Santa Rosa de Osos peaks around February 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 16Dec 12UV 12
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May15Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep14Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Santa Rosa de Osos 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 Santa Rosa de Osos is worst in March — around 25 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1525 µg/m³Oct 2112 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar25Moderate
Apr17Moderate
May14Moderate
Jun13Moderate
Jul13Moderate
Aug13Moderate
Sep12Moderate
Oct12Good
Nov12Good
Dec13Moderate
Location & terrain

Where is Santa Rosa de Osos?

Santa Rosa de Osos sits at 6.6°N, 75.5°W, 2,586 m above sea level, in Colombia. The nearest listed city is Barbosa, 27 km away.

Topography around Santa Rosa de Osos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Rosa de Osos.

Within 3 km, the terrain around Santa Rosa de Osos has only modest variations in elevation — a maximum elevation change of 172 m around an average of 2,540 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,113 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,807 m.

The land around Santa Rosa de Osos is covered by grassland (77%) within 3 km, grassland (63%) and trees (36%) within 16 km, and trees (63%) and grassland (35%) within 80 km.

3 km
172 m
16 km
1,113 m
80 km
3,807 m
treesgrasslandartificial surfaceswater
October weather nearby: Barbosa 27 km · Copacabana 34 km · Yarumal 35 km · Bello 36 km · Santa Fe de Antioquia 42 km · San Vicente 43 km · Medellin 46 km · Itagüí 54 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 Santa Rosa de Osos (6.6474°, -75.4603°, elevation 2,586 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).