Puerto Montt weather in May

In May, Puerto Montt sees average daytime highs of 12°C and overnight lows near 8°C, with 261 mm of rain across 18.3 wet days and about 9.7 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 11°C by the end. The sky is clear or mostly clear about 11% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of May to 9 h 18 min by month's end. Set against the rest of the year, May is Puerto Montt's 11th-clearest and 4th-windiest month. For the whole year in context, see Puerto Montt's year-round climate.

Daytime high
12°
8th warmest
Overnight low
6th coldest
Rainfall
261 mm
18.3 wet days
Daylight
9 h 42 min
8:58 AM – 6:38 PM
Cloud cover
76%
11th clearest
Wind
13 km/h
4th windiest
Solar energy
1.7 kWh/m²
Travel score
2.6
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 13°C in the first days to 11°C by the end.

A typical May day in Puerto Montt reaches about 12°C in the afternoon and slips back to 8°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 15°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1138
2138
3138
4138
5138
6138
7138
8138
9138
10138
11138
12138
13138
14138
15138
16128
17128
18127
19127
20127
21127
22127
23127
24127
25127
26127
27117
28117
29117
30117
31117

Puerto Montt weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 4th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12674
22674
32674
42575
52575
62575
72476
82476
92278
102278
112179
122179
132080
142080
152179
162080
172080
182080
192080
202080
212080
222179
232179
242179
252278
262278
272179
282179
292278
302278
312179

Chance of precipitation in May

Any precipitation

Puerto Montt gets around 261 mm of rain over 18.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 59% and peaks near 66% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
254
354
455
555
655
756
856
956
1057
1157
1258
1358
1458
1559
1659
1760
1860
1961
2061
2161
2261
2362
2462
2562
2663
2763
2864
2965
3066
3166

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 12 min at the start of May to 9 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over May. Sunrise moves from 8:42 AM to 9:12 AM, and sunset from 6:56 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.28:426:56
210.28:436:55
310.28:446:53
410.18:456:52
510.18:466:51
610.08:476:50
710.08:486:48
810.08:496:47
99.98:506:46
109.98:526:45
119.98:536:44
129.88:546:42
139.88:556:41
149.78:566:40
159.78:576:39
169.78:586:38
179.68:596:37
189.69:006:36
199.69:016:35
209.59:026:35
219.59:036:34
229.59:046:33
239.59:056:32
249.49:056:31
259.49:066:31
269.49:076:30
279.39:086:29
289.39:096:29
299.39:106:28
309.39:116:27
319.39:126:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 1.7 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 — May's 1.7 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.0Moderate
52.0Dim
62.0Dim
71.9Dim
81.9Dim
91.9Dim
101.8Dim
111.8Dim
121.8Dim
131.8Dim
141.7Dim
151.7Dim
161.7Dim
171.6Dim
181.6Dim
191.6Dim
201.6Dim
211.6Dim
221.6Dim
231.5Dim
241.5Dim
251.5Dim
261.5Dim
271.5Dim
281.4Dim
291.4Dim
301.4Dim
311.4Dim
Planning a trip in May

Is May a good time to visit Puerto Montt?

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

2.6
Sightseeing
8th-best month of the year
0.0
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Puerto Montt.

What to pack for Puerto Montt in May

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

In May, Puerto Montt sees daytime highs around 12°C and nights near 8°C. Pack rain gear. Worth having: a warm layer. About 18 days see rain.

rain geara warm layer

Sea temperature near Puerto Montt in May

The nearest coast averages about 11°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 2. 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 May

GoodModeratePoorUnhealthyVery unhealthy

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