Osorno weather in January

In January, Osorno sees average daytime highs of 21°C and overnight lows near 10°C, with 39 mm of rain across 6.2 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 12th-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 42% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of January to 14 h 12 min by month's end. Set against the rest of the year, January is Osorno's 2nd-clearest and 1st-windiest month. For the whole year in context, see Osorno's year-round climate.

Daytime high
21°
2nd warmest
Overnight low
10°
12th coldest
Rainfall
39 mm
6.2 wet days
Daylight
14 h 36 min
6:44 AM – 9:20 PM
Cloud cover
48%
2nd clearest
Wind
11 km/h
1st windiest
Solar energy
7.12 kWh/m²
Travel score
7.3
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical January day in Osorno reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, January runs about 2°C warmer than December and on par with February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12010
22010
32010
42010
52110
62110
72110
82110
92110
102110
112110
122110
132110
142110
152110
162110
172110
182210
192210
202210
212210
222210
232210
242210
252210
262210
272210
282210
292210
302210
312210

Osorno 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
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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35248
45347
55446
65446
75545
85545
95545
105644
115644
125842
135842
145941
156040
166139
176238
186238
196337
206436
216436
226436
236436
246436
256436
266436
276535
286436
296436
306436
316436

Chance of precipitation in January

Any precipitation

Osorno gets around 39 mm of rain over 6.2 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 21% and peaks near 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
425
525
624
724
823
923
1022
1122
1221
1321
1420
1519
1619
1718
1818
1918
2018
2117
2218
2318
2418
2518
2618
2719
2819
2919
3019
3118

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19280
29280
39280
49280
59280
69280
79280
89190
99190
109190
119190
129190
139190
149190
1590100
1689101
1789101
1889101
1989101
2088111
2188111
2288111
2388111
2488111
2588111
2688111
2789110
2889110
2989110
3089110
3189110

Wind in January

Winds average 11 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 54 min at the start of January to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over January. Sunrise moves from 6:30 AM to 7:01 AM, and sunset from 9:21 PM to 9:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.96:309:21
214.86:319:21
314.86:329:22
414.86:329:22
514.86:339:22
614.86:349:22
714.86:359:22
814.86:369:22
914.76:379:21
1014.76:389:21
1114.76:399:21
1214.76:409:21
1314.76:419:21
1414.66:429:20
1514.66:439:20
1614.66:449:20
1714.66:459:19
1814.66:469:19
1914.56:479:19
2014.56:489:18
2114.56:499:18
2214.46:509:17
2314.46:519:17
2414.46:539:16
2514.46:549:15
2614.36:559:15
2714.36:569:14
2814.36:579:13
2914.26:589:12
3014.27:009:12
3114.27:019:11

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.12 kWh/m² — the sunniest month for solar.

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 — January's 7.12 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.1Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.2Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.2Intense
207.1Intense
217.1Intense
227.1Intense
237.0Intense
247.0Intense
257.0Intense
266.9Intense
276.9Intense
286.9Intense
296.8Intense
306.8Intense
316.7Intense
Planning a trip in January

Hazard calendar for Osorno

In seasonPeak

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

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 January a good time to visit Osorno?

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

7.3
Sightseeing
2nd-best month of the year
4.5
Beach & pool
2nd-best month of the year

January is one of the better times to visit Osorno for general sightseeing.

What to pack for Osorno in January

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

In January, Osorno sees daytime highs around 21°C and nights near 10°C. Pack sun protection. About 6 days see rain.

sun protection

Sea temperature near Osorno in January

The nearest coast averages about 15°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 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 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 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 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 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
January 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).