Climate and monthly weather forecastPuerto Montt, Chile
Climate and monthly weather forecast
The climate of Puerto Montt
Located geographically on the west coast of southern Chile, the city of Puerto Montt experiences what the Köppen climate classification identifies as a Marine West Coast, warm summer climate, labelled as Cfb. The city's climate is noted for its consistent relative humidity that fluctuates modestly from 77% to 87% throughout the year, coupled with a persistent cloud coverage that ranges from 50% to 60%, offering a general sense of wetness year-round.Diving into the varying weather parameters throughout the year, Puerto Montt reveals a compact temperature range, with monthly averages fluctuating between 10.1°C (50.2°F) and 19.3°C (66.7°F). The winters, experienced from May to August, tend to sit at the lower end with temperatures around 10.2°C (50.4°F), whereas the summer season from December to February witnesses the peak temperatures, reaching up to 19°C (66.2°F).
Rainfall in Puerto Montt is quite noteworthy, with monthly averages deviating from 42mm (1.65") to an abundant 178mm (7.01"), testing the city’s capacity to experience significant downpours. Precipitation is at its peak in the winter months, with July receiving the heftiest showers at 178mm (7.01") over approximately 20 rain-affected days.
Sea temperatures maintain a consistent profile, varying from 10.4°C (50.7°F) to 14°C (57.2°F) throughout the year, further connoting the location's temperate maritime climate. Wind speeds and gusts can reach up to 13.3 Kph and 22.6 Kph respectively, demonstrating a generally breezy atmosphere.
The best time to visit Puerto Montt
The summer months, from December to February, present a welcoming climate for visitors in Puerto Montt with the warmest temperatures of the year, ranging from 15.5°C (59.9°F) to 19.3°C (66.7°F). During these months, there is an average of 6.8 hours to 9.7 hours of sunshine per day, providing ample time to explore the city's natural and cultural offerings. Additionally, rainfall is at its minimum during these months, with December and January experiencing a more manageable average monthly rainfall of 42mm (1.65") and 57mm (2.24") respectively.The worst time to visit Puerto Montt
The challenging climate of Puerto Montt’s winter makes it a less favored period for tourism. From June to August, temperatures drop between 9.4°C (48.9°F) to 12.4°C (54.3°F) and rainfall is considerably high with June experiencing the highest rainfall in the year at 178mm (7.01"). The combination of lowered temperatures and higher precipitation, along with reduced daily sunlight hours of 5.2 hours to 3.9 hours, may hinder outdoor activities and sightseeing.Spring weather in Puerto Montt
Spring in Puerto Montt, which spans September to November, sees a steady rise in temperatures from 11.8°C (53.2°F), peaking at 15.5°C (59.9°F) in November. The city experiences an increase in average daily sunshine from 6.2 hours to 8.5 hours, illuminating the stunning landscapes. Nonetheless, the city also observes increased rainfall levels from September’s 86mm (3.39") to November’s peak of 89mm (3.5") over the course of approximately 16 rainfall days/month.Summer weather in Puerto Montt
The city's summer months, recognized as December to February, bask in the warmest temperatures of the year, ranging from 17.5°C (63.5°F) to 19.3°C (66.7°F). Consisted of the highest daily sunshine hours from 6.8 hours to 9.7 hours, with reduced rainfall of 42mm (1.65") to 63mm (2.48"). The relative humidity is at its annual low of 77%, and the sea temperatures are relatively warm, fluctuating around 14°C (57.2°F), conducive for beach and water-related activities.Autumn weather in Puerto Montt
During autumn, from March to May, the average high temperature decreases gradually from 17.4°C (63.3°F) to 12.4°C (54.3°F) and rainfall increases significantly towards May reaching 157mm (6.18"). However, it is the increased overcast conditions and cooler sea temperatures, decreasing to 11.2°C (52.2°F), that mark a distinct shift from the summer.Winter weather in Puerto Montt
The winter, from June to August, bears witness to the coldest and wettest conditions in Puerto Montt with temperatures dipping to a chilling average of 10.1°C (50.2°F) in July and the highest rainfall of 178mm (7.01") occurring in June. The number of sunshine hours are at their annual low from 5.2 hours to 3.9 hours. However, the city’s regularly breezy climate is put on display during this period, with average wind speeds ranging from 11.9 Kph to 13.3 Kph.Weather in January
January in Puerto Montt, Chile, signifies the high point of summer and hence is quite moderate in terms of heat. The cool sea breeze helps in controlling the overall warmth, making it an ideal time for outdoor activities. The peak heat registers up to an average of 19.3°C (66.7°F). Weather in January »Weather in February
February's weather in Puerto Montt offers a slight toning down of temperatures, creating an even more pleasant climate. Despite being a month of summer, February has frequent bouts of rainfall. The month has its rainy periods dispersed over 10.2 days with a considerable rainfall of 57mm (2.24"). Weather in February »Weather in March
As March steps in, Puerto Montt starts transitioning from summer to autumn. An incremental change can be noted in the average temperatures for this month. Despite the slight decrease in temperatures, the rainfall incrementally increases, with downpours expected over a total of 13.8 days. Weather in March »Weather in April
The month of April brings about a significant change in Puerto Montt's weather pattern. There is a noticeable dip in the maximum temperatures, making the days cooler and more pleasant. The number of rainfall days climbs up to 16 days, making the month a tad bit dreary. Weather in April »Weather in May
With the advent of May, Puerto Montt enters the realm of true autumn. The arrival of considerably brisk weather, concurrent with the city's changing landscape, dominates this time of the year. On average, the city experiences the heaviest rainfall for the year during this month, with up to 157mm (6.18") of rainfall. Weather in May »Weather in June
June marks the start of winter in Puerto Montt. It is notable for the relative decrease in temperatures and daylight hours. Among the cloudiest months of the year, it experiences an average cloud coverage rate of 60%. Rainfall frequency is at its peak with an average of 20 days of rain. Weather in June »Weather in July
July is the heart of winter for folks in Puerto Montt. Tourists can expect a distinct crispness in the air during this period. The sea temperatures hit their annual low averaging to 10.4°C (50.7°F) in July. Rainfall remains heavy throughout the month; however, the days start to gradually become longer towards the end of July. Weather in July »Weather in August
The month of August in Puerto Montt sees the onset of spring and a gradual increase in daylight hours. The sea remains at its lowest temperature, consistent at 10.4°C (50.7°F), making this a great time for cold water enthusiasts. Weather in August »Weather in September
As Puerto Montt transitions towards the heart of spring in September, the city comes alive in hues of green and blooms. The weather turns significantly more pleasant, and daylight hours increase, marking a visible transition towards longer and slightly warmer days. Weather in September »Weather in October
The climate in October provides favorable conditions for outdoor enthusiasts. The daylight hours extend up to 13.2, providing ample time to explore Puerto Montt. Despite the fall in rainfall days to 16.5, the rainfall volume escalates to 96mm (3.78"). Weather in October »Weather in November
Come November, summers start peeping around the corner in Puerto Montt. As daylight hours extend further into the evening, the city begins to prepare for the warmer days ahead. Despite 14.2 days of scattered showers, the climate remains relatively dry with 89mm (3.5") of rainfall. Weather in November »Weather in December
December brings with it the full force of summer in Puerto Montt. The city basks under a maximum of 15.1 hours of daylight, the maximum for the year. The UV index stands at 4, advocating necessary sun protection measures. While rainfall recedes to 70mm (2.76") over 14 days, the warmth starts to set in. Weather in December »Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The warmest month in Puerto Montt, Chile, is January, with an average high-temperature of 19.3°C (66.7°F) and an average low-temperature of 10.5°C (50.9°F).
January is the least humid month in Puerto Montt, Chile, with an average relative humidity of 77%.
The month with the least rainfall in Puerto Montt is January, when the rain falls for 11.5 days and typically collects 42mm (1.65") of precipitation.
Throughout the year, in Puerto Montt, Chile, there are 194.3 rainfall days, and 1256mm (49.45") of precipitation is accumulated.
January and February, with an average sea temperature of 14°C (57.2°F), are months with the warmest seawater in Puerto Montt.
With an average of 9.7h of sunshine, January has the most sunshine of the year in Puerto Montt, Chile.
With an average maximum UV index of 5, February is the month with the highest UV index in Puerto Montt, Chile.
On Sunday, 07. April 2024, at 00:00, Daylight Saving Time ends, and the time zone changes from -03 to -04. The next Daylight Saving Time starts on Sunday, 08. September 2024, at 00:00, and the time zone reverts from -04 to -03.
May through August, with an average relative humidity of 87%, are most humid months.
June is the month with the most rainfall. Rain falls for 20 days and accumulates 178mm (7.01") of precipitation.
June has the shortest days of the year in Puerto Montt, with an average of 9h and 12min of daylight.
June has the least sunshine of the year in Puerto Montt, with an average of 3.9h of sunshine.
June, July and September, with an average maximum UV index of 2, are months with the lowest UV index in Puerto Montt.
July proves to be the coldest month, recording an average maximum temperature of 9.4°C (48.9°F) and a minimum temperature of 4.8°C (40.6°F).
July and August, with an average sea temperature of 10.4°C (50.7°F), are months with the coldest seawater in Puerto Montt.
December has the longest days of the year in Puerto Montt, Chile, with an average of 15h and 6min of daylight.
Average temperature
Puerto Montt, Chile
The warmest month (with the highest average high temperature) is January (19.3°C).
The month with the lowest average high temperature is July (9.4°C).
The month with the highest average low temperature is February (10.7°C).
The coldest month (with the lowest average low temperature) is July (4.8°C).
Average pressure
Puerto Montt, Chile
- Average pressure in January:
1016.2mbar - Average pressure in February:
1015.6mbar - Average pressure in March:
1016.7mbar - Average pressure in April:
1017.5mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1017.9mbar - Average pressure in August:
1017.2mbar - Average pressure in September:
1019.3mbar - Average pressure in October:
1018mbar - Average pressure in November:
1017.5mbar - Average pressure in December:
1016mbar
The month with the highest atmospheric pressure is September (1019.3mbar).
The month with the lowest atmospheric pressure is February (1015.6mbar).
Average wind speed
Puerto Montt, Chile
- Average wind speed in January:
11.4km/h - Average wind speed in February:
11.3km/h - Average wind speed in March:
10.3km/h - Average wind speed in April:
10.1km/h - Average wind speed in May:
11.9km/h - Average wind speed in June:
13.2km/h
- Average wind speed in July:
13.3km/h - Average wind speed in August:
13.3km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
11.3km/h - Average wind speed in November:
11.6km/h - Average wind speed in December:
11.6km/h
The windiest months (with the highest average wind speed) are July and August (13.3km/h).
The calmest month (with the lowest average wind speed) is April (10.1km/h).
Average humidity
Puerto Montt, Chile
The months with the highest relative humidity are May, June, July and August (87%).
The month with the lowest relative humidity is January (77%).
Average rainfall
Puerto Montt, Chile
- Average rainfall in January:
42mm - Average rainfall in February:
57mm - Average rainfall in March:
63mm - Average rainfall in April:
84mm - Average rainfall in May:
157mm - Average rainfall in June:
178mm
The wettest month (with the highest rainfall) is June (178mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days
Puerto Montt, Chile
- Average rainfall days in January:
11.5 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
16 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
20 days
- Average rainfall days in July:
19.9 days - Average rainfall days in August:
21.7 days - Average rainfall days in September:
18.2 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
14.2 days - Average rainfall days in December:
14 days
The month with the highest number of rainy days is August (21.7 days).
The month with the least rainy days is February (10.2 days).
Average sea temperature
Puerto Montt, Chile
The best months for swimming (with the highest average sea temperature) are January and February (14°C).
The coldest months (with the lowest average sea temperature) are July and August (10.4°C).
Average daylight / Average sunshine
Puerto Montt, Chile
- Average daylight in January:
14h and 48min - Average daylight in February:
13h and 42min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 0min - Average daylight in May:
9h and 48min - Average daylight in June:
9h and 12min
- Average daylight in July:
9h and 30min - Average daylight in August:
10h and 30min - Average daylight in September:
11h and 48min - Average daylight in October:
13h and 12min - Average daylight in November:
14h and 30min - Average daylight in December:
15h and 6min
The month with the longest days is December (Average daylight: 15h and 6min).
The month with the shortest days is June (Average daylight: 9h and 12min).
- Average sunshine in January:
9h and 42min - Average sunshine in February:
8h and 6min - Average sunshine in March:
7h and 36min - Average sunshine in April:
6h and 54min - Average sunshine in May:
5h and 12min - Average sunshine in June:
3h and 54min
- Average sunshine in July:
4h and 6min - Average sunshine in August:
5h and 24min - Average sunshine in September:
6h and 12min - Average sunshine in October:
6h and 18min - Average sunshine in November:
6h and 48min - Average sunshine in December:
8h and 30min
The month with the most sunshine is January (Average sunshine: 9h and 42min).
The month with the least sunshine is June (Average sunshine: 3h and 54min).
Average sunshine days
Puerto Montt, Chile
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
8.7 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
13.3 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
16.2 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (8.7 days).
Average UV index
Puerto Montt, Chile
The month with the highest UV index is February (UV index 5).
The months with the lowest UV index are June, July and September (UV index 2).
Average cloud cover
Puerto Montt, Chile
The month with the most cloud cover is June (Cloud cover 60).
The month with the least cloud cover is January (Cloud cover 36).
Average visibility
Puerto Montt, Chile
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
