Puerto Montt weather in March

In March, Puerto Montt sees average daytime highs of 17°C and overnight lows near 10°C, with 132 mm of rain across 12.2 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 18°C in the first days to 16°C by the end. The sky is clear or mostly clear about 24% 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 Puerto Montt's 3rd-clearest and 12th-windiest month. For the whole year in context, see Puerto Montt's year-round climate.

Daytime high
17°
3rd warmest
Overnight low
10°
10th coldest
Rainfall
132 mm
12.2 wet days
Daylight
12 h 18 min
7:51 AM – 8:12 PM
Cloud cover
61%
3rd clearest
Wind
12 km/h
12th windiest
Solar energy
4.33 kWh/m²
Travel score
5.1
out of 10

Puerto Montt is city and capital of Los Lagos Region, Chile.

Air quality
High
PM2.5 27.9 µg/m³ · 2019
Density
4,826/km²
people per km²
Founded
1853

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 18°C in the first days to 16°C by the end.

A typical March day in Puerto Montt reaches about 17°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, March runs about 1°C cooler than February and about 2°C warmer than April.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11811
21811
31811
41811
51711
61711
71711
81711
91711
101711
111711
121711
131711
141711
151710
161710
171710
181710
191710
201710
211610
221610
231610
241610
251610
261610
271610
281610
291610
301610
31169

Puerto Montt 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 daysSnow daysDaylight (hours)Travel score
Jan18° / 11°10111.1014.75.8
Feb18° / 11°989.4013.76.0
Mar17° / 10°13212.2012.35.1
Apr14° / 18315.2010.93.7
May12° / 26118.309.72.6
Jun10° / 31120.70.29.11.7
Jul10° / 27620.20.59.31.6
Aug11° / 27720.80.210.31.9
Sep12° / 18517.40.111.72.5
Oct14° / 18017.5013.13.1
Nov15° / 15115.4014.33.9
Dec17° / 10°13713.6014.94.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44555
54555
64456
74456
84456
94555
104456
114456
124357
134357
144357
154357
164357
174357
184357
194258
204258
214357
224357
234258
244357
254357
264456
274456
284456
294555
304555
314555

Chance of precipitation in March

Any precipitation

Puerto Montt gets around 132 mm of rain over 12.2 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 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
337
438
538
639
740
840
941
1041
1141
1241
1342
1442
1541
1641
1741
1841
1941
2040
2140
2239
2339
2439
2539
2639
2739
2840
2940
3041
3141

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
181181
281181
382171
482171
582171
682171
782171
882171
983170
1083170
1183170
1284160
1385150
1485150
1586140
1687130
1788120
1888120
1989110
2090100
2190100
229190
239190
249280
259370
269370
279460
289460
299460
309550
319550

Wind in March

Winds average 12 km/h in March, the calmest month.

Across March, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 7:34 AM to 8:08 AM, and sunset from 8:36 PM to 7:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.07:348:36
213.07:358:35
313.07:368:33
412.97:378:32
512.97:388:30
612.87:408:28
712.87:418:27
812.77:428:25
912.77:438:24
1012.67:448:22
1112.67:458:20
1212.57:478:19
1312.57:488:17
1412.47:498:15
1512.47:508:13
1612.37:518:12
1712.37:528:10
1812.27:538:08
1912.27:548:07
2012.27:568:05
2112.17:578:03
2212.17:588:01
2312.07:598:00
2412.08:007:58
2511.98:017:56
2611.98:027:54
2711.88:037:53
2811.88:047:51
2911.78:067:49
3011.78:077:47
3111.68:087:46

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.33 kWh/m².

For context, solar energy here swings from a low near 1.26 kWh/m² to a high of 6.83 kWh/m² in January across the year — March's 4.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.7Moderate
313.6Moderate
Planning a trip in March

Is March a good time to visit Puerto Montt?

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

5.1
Sightseeing
3rd-best month of the year
1.1
Beach & pool
3rd-best month of the year

March is a reasonable time to visit Puerto Montt for sightseeing.

What to pack for Puerto Montt in March

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

In March, Puerto Montt sees daytime highs around 17°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Puerto Montt in March

The nearest coast averages about 15°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 18 km away) is warmest in January at about 16°C and coldest in August near 10°C.

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

8°10°12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar15Bracing
Apr13Bracing
May11Bracing
Jun11Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct12Bracing
Nov13Bracing
Dec15Bracing

UV index in Puerto Montt 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 Puerto Montt peaks around December 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 23UV 12Jun 18UV 1
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar7High
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug2Moderate
Sep4Moderate
Oct7High
Nov8Very high
Dec12Extreme

Air quality in Puerto Montt 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 Puerto Montt is worst in March — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Puerto Montt's WHO annual average of 27.9 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2133 µg/m³Jan 2323 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb23Moderate
Mar34Moderate
Apr31Moderate
May26Moderate
Jun23Moderate
Jul25Moderate
Aug30Moderate
Sep32Moderate
Oct29Moderate
Nov28Moderate
Dec29Moderate
Location & terrain

Where is Puerto Montt?

Puerto Montt sits at 41.5°S, 72.9°W, 11 m above sea level, in Chile. The nearest listed city is Puerto Varas, 17 km away.

Topography around Puerto Montt

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

Within 3 km, the terrain around Puerto Montt has only modest variations in elevation — a maximum elevation change of 147 m around an average of 66 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 426 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,668 m.

The land around Puerto Montt is covered by artificial surfaces (47%), water (25%) and trees (20%) within 3 km, trees (42%), water (30%) and grassland (23%) within 16 km, and trees (47%) and water (29%) within 80 km.

3 km
147 m
16 km
426 m
80 km
2,668 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
March weather nearby: Puerto Varas 17 km · Llanquihue 24 km · Calbuco 37 km · Frutillar 40 km · Maullín 57 km · Purranque 64 km · Ancud 85 km · Osorno 101 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 Puerto Montt (-41.4693°, -72.9424°, elevation 11 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).