Cool
Average highs are around 10°C, so pack for cooler days.
Weather Guide
Best months: January, February, December
Across the year, average daytime temperatures are around 14°C, sunshine averages 6.7h per day, and rainfall totals about 1793mm. Sea temperatures average 13°C across the year.
Annual averages
Temp
14°C
Rain
1793mm
Annual total
Sun
6.7h
Sea
13°C
Weather score
30
Poor avg
Cool
Average highs are around 10°C, so pack for cooler days.
Wet
Rainfall averages 198mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.3h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Compare Puerto Montt, Chile with nearby places by weather score, rain, sun, temperature, and swim conditions.
August10°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to February and December
This stretch sets the upper range for average daytime heat.
August198mm average rain
August is wetter than Puerto Montt's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August4.3 hours average sun
August is below Puerto Montt's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
August10°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March and December
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
August17 weather score
August scores below Puerto Montt's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.