Osorno weather in October

In October, Osorno sees average daytime highs of 15°C and overnight lows near 6°C, with 114 mm of rain across 13.7 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 15°C by the end. The sky is clear or mostly clear about 16% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of October to 13 h 42 min by month's end. Set against the rest of the year, October is Osorno's 7th-clearest and 8th-windiest month. For the whole year in context, see Osorno's year-round climate.

Daytime high
15°
7th warmest
Overnight low
6th coldest
Rainfall
114 mm
13.7 wet days
Daylight
13 h 06 min
7:05 AM – 8:11 PM
Cloud cover
69%
7th clearest
Wind
10 km/h
8th windiest
Solar energy
4.82 kWh/m²
Travel score
4.0
out of 10

Osorno is city in Chile.

Air quality
High
PM2.5 33.8 µg/m³ · 2019
Density
143/km²
people per km²
Founded
1558

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 15°C by the end.

A typical October day in Osorno reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 18°C. Set against its neighbours, October runs about 2°C warmer than September and about 2°C cooler than November.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1145
2145
3145
4145
5145
6145
7145
8145
9146
10146
11146
12146
13146
14156
15156
16156
17156
18156
19156
20156
21156
22156
23156
24156
25156
26156
27156
28156
29166
30166
31167

Osorno weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 10°396.214.67.3
Feb22° / 10°415.213.67.5
Mar19° / 658.312.36.5
Apr16° / 11411.4114.6
May13° / 19415.79.83.0
Jun10° / 25118.89.21.9
Jul10° / 23218.29.41.8
Aug11° / 21318.310.42.2
Sep13° / 12914.311.73.1
Oct15° / 11413.713.14.0
Nov17° / 7710.514.35.1
Dec19° / 678.214.86.4

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 70%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42971
52872
62872
72872
82872
92872
102773
112773
122773
132971
142971
152971
162971
173070
183070
193070
203169
213268
223268
233466
243466
253466
263565
273565
283565
293466
303466
313565

Chance of precipitation in October

Any precipitation

Osorno gets around 114 mm of rain over 13.7 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 43% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
244
345
445
545
645
745
845
944
1044
1143
1243
1342
1442
1542
1642
1742
1842
1942
2042
2143
2243
2343
2443
2543
2643
2743
2843
2943
3043
3143

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in October

Winds average 10 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 24 min at the start of October to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over October. Sunrise moves from 7:29 AM to 6:44 AM, and sunset from 7:54 PM to 8:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.47:297:54
212.57:277:55
312.57:257:56
412.67:247:57
512.67:227:59
612.77:208:00
712.77:198:01
812.77:178:02
912.87:168:03
1012.87:148:04
1112.97:128:05
1212.97:118:06
1313.07:098:07
1413.07:088:08
1513.17:068:09
1613.17:058:11
1713.17:038:12
1813.27:028:13
1913.27:008:14
2013.36:598:15
2113.36:578:16
2213.46:568:17
2313.46:558:19
2413.46:538:20
2513.56:528:21
2613.56:518:22
2713.66:498:23
2813.66:488:24
2913.66:478:26
3013.76:458:27
3113.76:448:28

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.82 kWh/m².

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 7.12 kWh/m² in January across the year — October's 4.82 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.5Bright
104.5Bright
114.6Bright
124.6Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
315.4Bright
Planning a trip in October

Hazard calendar for Osorno

In seasonPeak

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

Osorno'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 Osorno?

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

4.0
Sightseeing
7th-best month of the year
0.1
Beach & pool
7th-best month of the year

October is a reasonable time to visit Osorno for sightseeing.

What to pack for Osorno in October

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

In October, Osorno sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 14 days see rain.

a warm layerrain gearsun protection

Sea temperature near Osorno in October

The nearest coast averages about 12°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 63 km away) is warmest in January at about 15°C and coldest in August near 11°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr14Bracing
May13Bracing
Jun12Bracing
Jul11Bracing
Aug11Bracing
Sep11Bracing
Oct12Bracing
Nov13Bracing
Dec14Bracing

UV index in Osorno in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Osorno peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 20UV 12Jun 18UV 2
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar7Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct7High
Nov9Very high
Dec12Extreme

Air quality in Osorno 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 Osorno is worst in March — around 43 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (February, 23 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Osorno's WHO annual average of 33.8 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMar 2343 µg/m³Feb 823 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb23Moderate
Mar43Poor
Apr42Poor
May36Poor
Jun34Moderate
Jul35Moderate
Aug40Poor
Sep39Poor
Oct34Moderate
Nov31Moderate
Dec26Moderate
Location & terrain

Where is Osorno?

Osorno sits at 40.6°S, 73.1°W, 37 m above sea level, in Chile. The nearest listed city is Río Bueno, 31 km away.

Topography around Osorno

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

Within 3 km, the terrain around Osorno has only modest variations in elevation — a maximum elevation change of 68 m around an average of 47 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 284 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,650 m.

The land around Osorno is covered by artificial surfaces (40%), trees (23%) and grassland (23%) within 3 km, grassland (45%), cropland (26%) and trees (25%) within 16 km, and trees (49%) and grassland (23%) within 80 km.

3 km
68 m
16 km
284 m
80 km
2,650 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Río Bueno 31 km · La Unión 32 km · Purranque 38 km · Paillaco 60 km · Frutillar 61 km · Llanquihue 77 km · Puerto Varas 84 km · Valdivia 85 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 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 Osorno (-40.574°, -73.1335°, elevation 37 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).