Osorno weather in March

In March, Osorno sees average daytime highs of 19°C and overnight lows near 9°C, with 65 mm of rain across 8.3 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 18°C by the end. The sky is clear or mostly clear about 35% of the time in March, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of March to 11 h 36 min by month's end. Set against the rest of the year, March is Osorno's 3rd-clearest and 10th-windiest month. For the whole year in context, see Osorno's year-round climate.

Daytime high
19°
3rd warmest
Overnight low
9th coldest
Rainfall
65 mm
8.3 wet days
Daylight
12 h 18 min
7:52 AM – 8:12 PM
Cloud cover
54%
3rd clearest
Wind
10 km/h
10th windiest
Solar energy
4.51 kWh/m²
Travel score
6.5
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 18°C by the end.

A typical March day in Osorno reaches about 19°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, March runs about 2°C cooler than February and about 4°C warmer than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12110
22110
32110
42010
5209
6209
7209
8209
9209
10209
11209
12209
13209
14199
15199
16199
17199
18199
19198
20198
21198
22198
23198
24198
25188
26188
27188
28188
29188
30188
31188

Osorno weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 10th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25842
35941
45842
55743
65842
75743
85743
95644
105644
115545
125545
135545
145446
155347
165347
175248
185248
195248
205149
215149
225149
235050
245050
255050
265050
274951
284951
294852
304852
314753

Chance of precipitation in March

Any precipitation

Osorno gets around 65 mm of rain over 8.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
122
223
324
424
525
625
726
827
927
1028
1128
1228
1328
1428
1528
1628
1728
1828
1928
2028
2128
2227
2327
2427
2527
2627
2727
2828
2928
3029
3130

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
189101
289101
39091
49091
59190
69190
79190
89190
99190
109190
119190
129190
139280
149280
159280
169370
179370
189370
199460
209460
219460
229550
239550
249550
259640
269640
279640
289640
299730
309730
319730

Wind in March

Winds average 10 km/h in March.

Across March, daily wind ranges from about 9 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
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 13 hours at the start of March to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over March. Sunrise moves from 7:35 AM to 8:08 AM, and sunset from 8:36 PM to 7:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.07:358:36
213.07:378:35
312.97:388:33
412.97:398:32
512.87:408:30
612.87:418:28
712.77:428:27
812.77:438:25
912.77:448:24
1012.67:468:22
1112.67:478:20
1212.57:488:19
1312.57:498:17
1412.47:508:16
1512.47:518:14
1612.37:528:12
1712.37:538:11
1812.27:548:09
1912.27:558:07
2012.17:578:05
2112.17:588:04
2212.17:598:02
2312.08:008:00
2412.08:017:59
2511.98:027:57
2611.98:037:55
2711.88:047:54
2811.88:057:52
2911.78:067:50
3011.78:077:49
3111.68:087:47

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.51 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 — March's 4.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.1Bright
254.0Bright
264.0Bright
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in March

Hazard calendar for Osorno

In seasonPeak

None of Osorno's seasonal hazards are active in March. 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 March a good time to visit Osorno?

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

6.5
Sightseeing
3rd-best month of the year
3.0
Beach & pool
3rd-best month of the year

March is a reasonable time to visit Osorno for sightseeing.

What to pack for Osorno in March

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

In March, Osorno sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 8 days see rain.

rain gearsun protection

Sea temperature near Osorno in March

The nearest coast averages about 14°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 March

GoodModeratePoorUnhealthyVery unhealthy

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