Puerto Montt climate

Name: Puerto Montt
Address: CL

Puerto Montt is warmest in February, with average highs of 19 °C, and coldest in July, when nights average 5.0 °C. June is the wettest month (302 mm) and February the driest (99 mm). Figures are 1991–2020 climate normals.

Across a full year Puerto Montt averages 2,250 mm of rain, 2 days above 25 °C and 2 days below freezing.

Chile · population 245,902 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month February 19 °C
Coldest month July 5.0 °C
Driest month February 99 mm
Wettest month June 302 mm
Least cloud February 52 % cloud
Hottest on record February 31 °C
Coldest on record August -2.7 °C
Warmest sea January 16 °C

What to expectPuerto Montt through the year

Puerto Montt has a clear annual cycle: average daily highs run from 9.6 °C in July to 19 °C in February, a swing of 7.9 °C in mean temperature across the year.

Counted across a normal year, 2 days a year reach 25 °C, 0 of them reach 30 °C, 2 nights drop below freezing. The warmest reading in the 1991–2020 record is 31 °C, in February.

Rain is strongly seasonal. June averages 302 mm against 99 mm in February — 3.0 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Puerto Montt is warmest in January at 16 °C and coldest in August at 10 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	18.6 °C	101 mm	56 %
February	18.7 °C	99 mm	52 %
March	17.2 °C	133 mm	60 %
April	14.6 °C	178 mm	68 %
May	12.5 °C	254 mm	76 %
June	10.3 °C	302 mm	78 %
July	9.6 °C	271 mm	75 %
August	10.5 °C	273 mm	76 %
September	11.9 °C	181 mm	70 %
October	13.6 °C	177 mm	70 %
November	15.2 °C	146 mm	69 %
December	17.1 °C	135 mm	63 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days below 0 °C
January	18.6 °C	11.9 °C	15.0 °C	30.5 °C	5.3 °C	1	0
February	18.7 °C	12.1 °C	15.1 °C	31.0 °C	6.9 °C	1	0
March	17.2 °C	11.1 °C	13.8 °C	26.7 °C	5.8 °C	0	0
April	14.6 °C	9.2 °C	11.7 °C	23.5 °C	2.2 °C	0	0
May	12.5 °C	7.8 °C	10.0 °C	20.3 °C	-0.1 °C	0	0
June	10.3 °C	6.0 °C	8.0 °C	15.8 °C	-1.3 °C	0	0
July	9.6 °C	5.0 °C	7.1 °C	15.1 °C	-2.5 °C	0	1
August	10.5 °C	5.2 °C	7.6 °C	16.6 °C	-2.7 °C	0	0
September	11.9 °C	5.8 °C	8.6 °C	19.5 °C	-0.4 °C	0	0
October	13.6 °C	7.3 °C	10.2 °C	22.7 °C	0.5 °C	0	0
November	15.2 °C	8.8 °C	11.8 °C	24.9 °C	2.3 °C	0	0
December	17.1 °C	10.5 °C	13.6 °C	27.5 °C	4.0 °C	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	101 mm	11	15 h/day	56 %	79 %	18 km/h	15.7 °C
February	99 mm	9	14 h/day	52 %	80 %	19 km/h	15.5 °C
March	133 mm	12	12 h/day	60 %	84 %	18 km/h	14.5 °C
April	178 mm	15	11 h/day	68 %	87 %	19 km/h	12.6 °C
May	254 mm	19	9.8 h/day	76 %	89 %	20 km/h	11.4 °C
June	302 mm	21	9.2 h/day	78 %	89 %	22 km/h	10.8 °C
July	271 mm	20	9.5 h/day	75 %	89 %	22 km/h	10.5 °C
August	273 mm	21	10 h/day	76 %	88 %	22 km/h	10.3 °C
September	181 mm	18	12 h/day	70 %	85 %	19 km/h	10.7 °C
October	177 mm	17	13 h/day	70 %	84 %	19 km/h	11.8 °C
November	146 mm	15	14 h/day	69 %	81 %	19 km/h	13.1 °C
December	135 mm	13	15 h/day	63 %	80 %	19 km/h	14.7 °C

Where Puerto Montt ranks

Ranking	Position	Value
The coolest places in South America in August	2nd of 50	10 °C
The coolest places in South America in July	2nd of 50	9.6 °C
The coolest places in South America in June	2nd of 50	10 °C
The coolest places in South America in May	2nd of 50	13 °C
The coolest places in South America in October	2nd of 50	14 °C
The coolest places in South America in September	2nd of 50	12 °C

Planning a trip? See the best time to visit Puerto Montt.

QuestionsCommon questions about Puerto Montt’s climate

When is the best time to visit Puerto Montt?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, March sit closest to 20 °C on average, February is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Puerto Montt get?

In February, the warmest month, daily highs average 19 °C. About 0 days a year pass 30 °C. The highest value in the 1991–2020 record is 31 °C.

How cold does it get in winter?

Nights average 5.0 °C in July, the coldest month. A normal year has 2 nights below freezing.

Which month is wettest in Puerto Montt?

June, averaging 302 mm over 21 days with rain. The driest month is February with 99 mm. The year as a whole averages 2,250 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Puerto Montt rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -41.469°, -72.942° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.