Measurements:
°C
°F
Puerto Montt
46°F
E 3 mph
Feels like: 44°F
Precip: 42%
World Resorts Chile Puerto Montt Weather

Puerto Montt Sea Water Temperature

Current Sea Water Temperature:
+52.6°F
Maximum Sea Water Temperature in September: 54.2°F
Minimum Sea Water Temperature in September: 49.0°F
Average water temperature in September: 51.2°F

Sea Water Temperature for the Last 10 Days:

September 28 52.6°F September 23 51.8°F
September 27 52.4°F September 22 51.6°F
September 26 51.6°F September 21 52.0°F
September 25 51.8°F September 20 51.4°F
September 24 51.0°F September 19 51.8°F

When is the Warmest Sea for Puerto Montt?

According to our data for the last three years for Puerto Montt the highest average sea water temperature was in January, February and December.

Average Water Temperature by Month, °F

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Puerto Montt was 65.4°F. The maximum and minimum values were 62.8°F and 67.4°F respectively.

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Puerto Montt was 63.8°F. The maximum and minimum values were 61.4°F and 68.4°F respectively.

Sea Water Temperature in December

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Puerto Montt was 63.1°F. The maximum and minimum values were 61.8°F and 65.4°F respectively.

Best Time to Visit Puerto Montt
The most sunny months:
January 16 days
February 14 days
March 13 days
The most warm months:
January 68.4 °F
February 67.7 °F
December 64.8 °F
Warmest sea temperature:
January 63.8 °F
February 63.8 °F
December 61.0 °F
The most cold months:
July 48.7 °F
August 49.7 °F
June 49.8 °F
The most rainy months:
August 12 days
June 11 days
July 10 days
The most windy months:
June 7 mph
August 7 mph
July 7 mph

Puerto Montt on the Weather Map

24 Hours Weather Forecast
Puerto Montt
Local time: 20:59
28 sep, monday
2100 46°F
E
3 mph
29 sep, tuesday
0000 44°F
S
6 mph
0300 44°F
S
7 mph
0600 44°F
S
8 mph
0900 44°F
S
8 mph
1200 52°F
S
9 mph
1500 56°F
S
6 mph
1800 56°F
SW
2 mph