, with quite mild winters and cool summers. The rains are frequent all year round, but especially in autumn and winter, from April to September.
Snow in Puerto Montt is very rare, however, occasionally a snowfall can occur, as happened in August 1995 and August 2020.
, the days can be a bit cool when it rains, otherwise the temperature can exceed 20 °C (68 °F). Nights are cool, and sometimes even cold. The cold records in this season are around 0/1 °C (32/34 °F).
The city is located in southern Chile, in the Los Lagos region, in the southernmost part of the Chilean Central Valley, at 41 degrees south latitude. We are in an area where the coast is indented and widens into bays and inlets. Although the Pacific coast lies 70 km (43 mi) to the west, Puerto Montt faces south on the coast of the Reloncaví Sound, a bay that then widens into the Gulf of Ancud, which separates the island of Chiloé from the mainland.
North of the city is Lake Llanquihue, the second largest in Chile after Lake General Carrera.
, with volcanoes and lakes, and with the limit of perennial snow at about 1,500 meters (4,900 feet). On the border with Argentina we find Mount Tronador, the highest peak in the area with its 3,491 meters (11,453 feet).
to visit Puerto Montt is the summer, from December to February, as it is the mildest and sunniest of the year. However, at night it can get a bit cold even in this season. The sea is also cold for swimming.
. Here are the average temperatures.
January, the warmest month of the year, is generally a very mild month. The average temperature is of
14.9 °C, with a minimum of
9.2 °C and a maximum of
20.6 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
0.8 °C in January 2019.

On the warmest days of the month, the temperature usually reaches around
25.5 °C. However, it reached
32.7 °C in January 2013.

Precipitation amounts to
85 mm, distributed over 10 days.
The day lasts on average 14 hours and 50 minutes. So the days are long.

There are on average 7 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
10.9 kph.

The average sea temperature is of
15 °C. Therefore, the sea is cold for swimming.
February is generally a very mild month. The average temperature is of
14.9 °C, with a minimum of
9 °C and a maximum of
20.8 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
1.1 °C in February 2003.

On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
35 °C in February 2019.

Precipitation amounts to
70 mm, distributed over 8 days.
The day lasts on average 13 hours and 35 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
10.6 kph.

The average sea temperature is of
14.8 °C. Therefore, the sea is cold for swimming.
March is generally a mild month. The average temperature is of
13.5 °C, with a minimum of
8 °C and a maximum of
19 °C.

On the coldest nights of the month, the temperature usually drops to around
2 °C. However, it dropped to
0 °C in March 2002.

On the warmest days of the month, the temperature usually reaches around
24.5 °C. However, it reached
29.1 °C in March 1998.

Precipitation amounts to
100 mm, distributed over 12 days.
The day lasts on average 12 hours and 20 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
9.6 kph.

The average sea temperature is of
14.1 °C. Therefore, the sea is very cold for swimming.
April is generally a mild month. The average temperature is of
11.2 °C, with a minimum of
6.3 °C and a maximum of
16 °C.

On the coldest nights of the month, the temperature usually drops to around
0 °C. However, it dropped to
-2 °C in April 2001.

On the warmest days of the month, the temperature usually reaches around
21.5 °C. However, it reached
25.8 °C in April 1998.

Precipitation amounts to
150 mm, distributed over 15 days.
The day lasts on average 10 hours and 55 minutes.

There are on average 3.5 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 88%. Hence, the air is normally humid.
The average wind speed is of
9.7 kph.

The average sea temperature is of
12.9 °C. Therefore, the sea is very cold for swimming.
May is generally a mild month. The average temperature is of
9.6 °C, with a minimum of
5.5 °C and a maximum of
13.6 °C.

On the coldest nights of the month, the temperature usually drops to around
-2 °C. However, it dropped to
-6 °C in May 2007.

On the warmest days of the month, the temperature usually reaches around
18.5 °C. However, it reached
21.2 °C in May 2017.

Precipitation amounts to
195 mm, distributed over 18 days.
The day lasts on average 9 hours and 50 minutes.

There are on average 2 hours of sunshine per day. So, the sun shines 23% of the time.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is of
10.8 kph.

The average sea temperature is of
11.9 °C. Therefore, the sea is very cold for swimming.
June is generally a quite mild month. The average temperature is of
7.7 °C, with a minimum of
4.1 °C and a maximum of
11.2 °C.

On the coldest nights of the month, the temperature usually drops to around
-3 °C. However, it dropped to
-6 °C in June 1996.

On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
19 °C in June 1994.

Precipitation amounts to
220 mm, distributed over 19 days.
The day lasts on average 9 hours and 10 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.

There are on average 2 hours of sunshine per day. So, the sun shines 21% of the time.
The average humidity is 91%. Hence, the air is normally humid.
The average wind speed is of
12.1 kph.

The average sea temperature is of
11.2 °C. Therefore, the sea is very cold for swimming.
July, the coldest month of the year, is generally a quite mild month. The average temperature is of
7 °C, with a minimum of
3.2 °C and a maximum of
10.7 °C.

On the coldest nights of the month, the temperature usually drops to around
-3.5 °C. However, it dropped to
-5.8 °C in July 1991.

On the warmest days of the month, the temperature usually reaches around
14.5 °C. However, it reached
21 °C in July 1996.

Precipitation amounts to
175 mm, distributed over 18 days.
The day lasts on average 9 hours and 30 minutes.

There are on average 2 hours of sunshine per day. So, the sun shines 23% of the time.
The average humidity is 90%. Hence, the air is normally humid.
The average wind speed is of
12 kph.

The average sea temperature is of
10.8 °C. Therefore, the sea is very cold for swimming.
August is generally a quite mild month. The average temperature is of
7.7 °C, with a minimum of
3.7 °C and a maximum of
11.7 °C.

On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-5.1 °C in August 2010.

On the warmest days of the month, the temperature usually reaches around
15.5 °C. However, it reached
20 °C in August 1992.

Precipitation amounts to
170 mm, distributed over 18 days.
The day lasts on average 10 hours and 35 minutes.

There are on average 3 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.

The average sea temperature is of
10.6 °C. Therefore, the sea is very cold for swimming.
September is generally a mild month. The average temperature is of
8.7 °C, with a minimum of
4.1 °C and a maximum of
13.4 °C.

On the coldest nights of the month, the temperature usually drops to around
-1.5 °C. However, it dropped to
-3.1 °C in September 2000.

On the warmest days of the month, the temperature usually reaches around
18 °C. However, it reached
23.7 °C in September 2012.

Precipitation amounts to
125 mm, distributed over 16 days.
The day lasts on average 11 hours and 55 minutes.

There are on average 4 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
10.9 kph.

The average sea temperature is of
10.9 °C. Therefore, the sea is very cold for swimming.
October is generally a mild month. The average temperature is of
10.2 °C, with a minimum of
5.4 °C and a maximum of
15.1 °C.

On the coldest nights of the month, the temperature usually drops to around
-0.5 °C. However, it dropped to
-2.3 °C in October 1994.

On the warmest days of the month, the temperature usually reaches around
20.5 °C. However, it reached
24.1 °C in October 1995.

Precipitation amounts to
130 mm, distributed over 15 days.
The day lasts on average 13 hours and 20 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
11.1 kph.

The average sea temperature is of
11.7 °C. Therefore, the sea is very cold for swimming.
November is generally a mild month. The average temperature is of
12 °C, with a minimum of
6.9 °C and a maximum of
17 °C.

On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-1 °C in November 2009.

On the warmest days of the month, the temperature usually reaches around
22.5 °C. However, it reached
28 °C in November 1994.

Precipitation amounts to
105 mm, distributed over 14 days.
The day lasts on average 14 hours and 30 minutes. So the days are long.

There are on average 5.5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
10.9 kph.

The average sea temperature is of
12.6 °C. Therefore, the sea is very cold for swimming.
December is generally a mild month. The average temperature is of
13.7 °C, with a minimum of
8.3 °C and a maximum of
19.1 °C.

On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
-0.3 °C in December 2010.

On the warmest days of the month, the temperature usually reaches around
24.5 °C. However, it reached
30.1 °C in December 1996.

Precipitation amounts to
90 mm, distributed over 11 days.
The day lasts on average 15 hours and 5 minutes. So the days are long. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.

There are on average 6.5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
11 kph.

The average sea temperature is of
13.9 °C. Therefore, the sea is very cold for swimming.