May Weather in Puerto Montt, Chile

Last updated: August 21, 2025

May in Puerto Montt, Chile presents a dynamic blend of atmospheric conditions, characterized by a maximum temperature of 19°C (67°F) and an average of 10°C (50°F), creating a cool yet often invigorating climate. The month is marked by notable precipitation, with 278 mm (11.0 in) of rain falling over approximately 19 days, contributing to the region's lush landscapes. High humidity levels averaging 86% add to the ambiance, making it essential for visitors and locals alike to prepare for the season’s frequent showers and variable temperatures.

May Temperature in Puerto Montt

In May, Puerto Montt experiences the transition into winter, marked by cooler temperatures that set the stage for the colder months ahead. The minimum dips to 0°C (33°F), while the average settles at 10°C (50°F), and the maximum reaches a mild 19°C (67°F). This is a noticeable decline from the more vibrant summer months, as even the daytime warmth fades compared to the peak temperatures seen earlier in the year. The gradual descent from the average of 12°C (53°F) in April to May's 10°C suggests a shift towards more brisk and invigorating days, often accompanied by the region’s signature cloudy skies and occasional rain. Embracing this change, locals and visitors alike are encouraged to enjoy cozy indoor activities while soaking up the stunning natural beauty that the cooler weather brings to Chile’s picturesque landscapes.

May Weather in Puerto Montt: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Puerto Montt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Montt, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec585956535046454648505456
Data source: Temperature data for Puerto Montt generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Puerto Montt

In May, Puerto Montt experiences a significant uptick in precipitation, with an impressive 278 mm (11.0 in) of rain falling over 19 days. This marks a notable increase from the preceding months, particularly from April's 181 mm (7.1 in), highlighting May as one of the wettest months of the year. The trend of escalating rainfall continues into June, suggesting that the region is well into its rainy season. Months like January and February, characterized by lighter rains averaging around 70 mm (2.7 in) and 82 mm (3.2 in) respectively, seem a distant memory as the clouds converge, making May a quintessential representation of Puerto Montt’s dynamic and robust climate. This substantial increase in precipitation not only emphasizes the region’s verdant landscape but also serves as a reminder of its maritime influences, setting the stage for lush growth in the following months.

May Precipitation Trends in Puerto Montt

The chart displays monthly precipitation patterns in Puerto Montt, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Puerto Montt, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec8270128181278337240295173191156121
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Puerto Montt

As the seasons shift in Puerto Montt, May marks a peak in humidity, with levels rising to 86%. This pattern reflects a gradual increase from the drier summer months of January (81%) and February (80%) through to a distinct dampness in late autumn. The humidity continues to remain high into the following months of June and July, where it stabilizes at 86% and 87%, respectively. Overall, May's humidity signals the onset of a wetter season, setting the tone for the chilly, moist conditions that characterize winter in this stunning coastal city.

May Average Humidity in Puerto Montt

This chart illustrates the average monthly humidity levels in Puerto Montt, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Puerto Montt is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%79%84%86%86%87%87%85%83%80%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Puerto Montt

In Puerto Montt, Chile, the UV Index reflects a notable seasonal trend, particularly as it transitions from the intense summer months to the cooler autumn. In May, the UV Index drops to 4, classifying the exposure as moderate, with a burn time of 30 minutes. This marked decrease from the extreme values of January and February, when the index soared to 14 and 12 respectively, signifies a welcome respite from the harsh sun. As we move into June, the index further decreases to 2, indicating a substantially lower risk of UV exposure, and suggesting that May offers a balanced experience for outdoor activities. For those planning a visit, being mindful of the sun's intensity in May can help ensure a safe and enjoyable time in this picturesque region. For more detailed information, visit Puerto Montt UV Index.

Maximum UV Index Levels in Puerto Montt for May

The chart shows the monthly maximum UV Index (UVI) for Puerto Montt in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Puerto Montt typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1412964234691213
Data source: Puerto Montt May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Puerto Montt

As Chile transitions into autumn, Puerto Montt experiences a notable shift in sunlight during May, with 182 hours of sunshine—significantly lower than the vibrant days of the previous summer months. While January basked in 283 hours and February reached 304 hours, May's daylight begins to dwindle, echoing the approach of winter. This decrease is part of a broader trend, as the region moves from the sun-drenched peaks of early summer to the more subdued luminosity of late autumn. Following May, June sharply dips to 134 hours, marking the start of the cold, darker months, yet by the end of the year, daylight returns to rekindle the spirit of the community, culminating in a bright 337 hours of December sunshine. This rhythm of light and shadow paints an intriguing portrait of Puerto Montt's climate, reminding us of nature's cyclical dance.

Monthly Sunshine Duration in Puerto Montt: May Highlighted

The May sunshine duration represents the total number of hours Puerto Montt experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec283h304h299h222h182h134h164h186h237h266h285h337h
Data source: Puerto Montt May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Puerto Montt During May

In Puerto Montt, Chile, the likelihood of sunny weather takes a noticeable dip as spring transitions into winter. While January and February bask in bright skies with chances of sunshine at 54% and 63%, respectively, the sun starts to shy away starting in March with a 47% probability. This trend continues, revealing a steep decline by April (22%) and reaching a mere 26% in May. As the cooler months set in, even June and July struggle to surpass this threshold, hovering around the 30% mark, while August drops further to 19%. In contrast, later months such as September and October see a slight recovery, indicating a seasonal cycle where sunny days are scarce in May, painting a picture of a typical overcast autumn in this charming coastal city.

Percentage of Sunny Days in May in Puerto Montt

The chart illustrates the percentage of sunny days in Puerto Montt throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Puerto Montt experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%63%47%22%26%30%22%19%32%35%33%52%
Data source: Puerto Montt May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Puerto Montt in May

As the seasons transition in Puerto Montt, Chile, daylight duration experiences a notable ebb and flow. In January, the sun graces the region with a generous 14 hours of light, slowly decreasing to 13 hours in February and 12 hours by March. As autumn sets in, April brings a sharper decline to 10 hours, culminating in May when daylight dwindles to 9 hours. This pattern continues into June and July, where daylight remains static at 9 hours, creating a cozy, twilight atmosphere. However, as August arrives, daylight begins to reclaim its presence, rising back to 10 hours and progressively increasing through September and October, reaching 14 hours by November. The cycle concludes in December, with the longest day of 15 hours, celebrating the peak of summer before the cycle begins anew. Throughout the year, Puerto Montt's daylight duration perfectly encapsulates the rhythm of nature, inviting both reflection and admiration.

Average Daylight Hours in Puerto Montt for May

The chart illustrates the variation in daylight duration in Puerto Montt throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 45m13h 39m12h 17m10h 54m9h 46m9h 12m9h 30m10h 31m11h 50m13h 13m14h 27m15h 6m
Data source: Puerto Montt daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Puerto Montt

In Puerto Montt, Chile, the month of May brings a slight uptick in wind speed, averaging 3.7 m/s (8 mph), a modest rise from April's 3.3 m/s (7 mph). This gentle breeze marks a trend of increasing wind that begins to emerge as the year progresses towards winter, with June topping the chart at 3.9 m/s (9 mph). Interestingly, while the winds are generally mild throughout the early months, reaching a peak in August at 4.2 m/s (9 mph), May stands out as a transitional period where the calm of late summer begins to give way to the more robust winds characteristic of the following months. Overall, this suggests that Puerto Montt experiences a gradual intensification of breezy conditions as the seasons shift, inviting both residents and visitors to embrace the vibrant maritime atmosphere.

Average May Wind Speed in Puerto Montt

The chart displays monthly wind speed patterns in Puerto Montt, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.63.43.33.7 m/s3.93.54.23.13.53.33.9
Data source: Puerto Montt May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Puerto Montt Compares to Other Months

Weather in Puerto Montt varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Puerto Montt, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in May and January, we notice distinct differences in temperature and precipitation. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 19°C (67°F), with an average of 10°C (50°F). This month experiences significant rainfall, totaling 278 mm (11.0 in) over 19 days, accompanied by high humidity at 86%. In contrast, January boasts milder temperatures with a minimum of 5°C (42°F) and a maximum of 25°C (77°F), averaging around 14°C (58°F). Rainfall is considerably less in January, at 82 mm (3.2 in) over just 10 days, and humidity is slightly lower at 81%. For more detailed information, you can check out Puerto Montt weather in January.

When comparing the weather in May and February, distinct differences emerge. February boasts warmer temperatures with a minimum of 7°C (44°F) and a maximum of 32°C (90°F), making it a much hotter month overall with an average temperature of 15°C (59°F). In contrast, May experiences cooler conditions, with temperatures ranging from a chilly minimum of 0°C (33°F) to a maximum of 19°C (67°F) and an average of 10°C (50°F). Additionally, May is significantly wetter, receiving 278 mm (11.0 in) of rain over about 19 days, while February has a much drier climate, with only 70 mm (2.7 in) of precipitation across 7 days. Despite its lower humidity of 80%, February feels warmer compared to the higher humidity of 86% in May. For more specific details, you can check Puerto Montt weather in February.

In comparing the weather conditions of May and March, it's evident that March enjoys relatively milder temperatures with an average of 13°C (56°F) and maximums reaching 25°C (76°F). In contrast, May experiences cooler temperatures, with an average of 10°C (50°F) and a maximum of only 19°C (67°F). Precipitation is more frequent in May, totaling 278 mm (11.0 in) over 19 days, compared to March's 128 mm (5.0 in) over 12 days. Additionally, humidity levels are higher in May at 86%, while March remains slightly lower at 79%. For a more detailed comparison, you can check out Puerto Montt weather in March.

In comparing the weather between May and April, May is notably cooler, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 19°C (67°F), whereas April sees slightly warmer conditions with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 21°C (70°F). Additionally, May experiences significantly higher precipitation levels, totaling 278 mm (11.0 in) over 19 days, compared to April's 181 mm (7.1 in) over 14 days. Humidity remains relatively high in both months, with May at 86% and April at 84%. For a detailed look at April's weather, visit Puerto Montt weather in April.

The weather in May and June shows noticeable differences, particularly in temperature and precipitation. In May, average temperatures range from a minimum of 0°C (33°F) to a maximum of 19°C (67°F), with an average of 10°C (50°F). However, in June, temperatures drop slightly, with a minimum of 0°C (32°F), an average of 8°C (47°F), and a maximum of just 15°C (59°F). Additionally, June experiences higher precipitation, totaling 337 mm (13.3 in) over 22 days, compared to May's 278 mm (11.0 in) over 19 days. Despite the increase in rainfall, both months maintain a consistent humidity level of 86%. For a closer look at June weather in Puerto Montt, you can visit Puerto Montt weather in June.

In comparing the weather between May and July, we can see distinct differences in temperature and precipitation patterns. May features a wider temperature range, with an average of 10°C (50°F) and maximum highs reaching 19°C (67°F), while July experiences cooler conditions, with an average of 7°C (46°F) and a maximum of only 14°C (57°F). Additionally, May is slightly wetter, receiving 278 mm (11.0 in) of precipitation across 19 days, compared to July's 240 mm (9.4 in) over 20 days. Humidity remains consistently high in both months, with May at 86% and July slightly higher at 87%. For more detailed insights on July weather, you can refer to Puerto Montt weather in July.

In comparing the weather between May and August, we observe notable differences in temperature and precipitation. May features a more moderate temperature range, with an average of 10°C (50°F) and maximum temperatures reaching up to 19°C (67°F), while August tends to be cooler, with an average temperature of 8°C (46°F) and a maximum of 15°C (59°F). Furthermore, both months have substantial rainfall, though August sees slightly higher precipitation at 295 mm (11.6 in) over 22 days, compared to May's 278 mm (11.0 in) over 19 days. Humidity levels remain similar, with May at 86% and August at 87%. For a detailed look at August weather specifics, you can refer to Puerto Montt weather in August.

When comparing the weather in May and September, both months feature similar maximum temperatures, hovering around 19°C (66°F) to 19°C (67°F). However, May tends to be cooler overall, with an average temperature of 10°C (50°F) compared to September's average of 9°C (48°F). Additionally, May brings significantly more precipitation, with 278 mm (11.0 in) falling over 19 days, while September sees just 173 mm (6.8 in) across 17 days. Humidity levels remain relatively stable, at 86% in May and slightly lower at 85% in September. For a more detailed look at September weather, check out Puerto Montt weather in September.

May and October share similar average temperatures, typically around 10°C (50°F). However, May tends to be cooler at night with minimum temperatures dropping to 0°C (33°F), compared to October's minimum of 2°C (36°F). Precipitation levels in May are notably higher, with 278 mm (11.0 in) falling over 19 days, while October sees 191 mm (7.5 in) during the same number of days. Additionally, May features higher humidity at 86%, compared to October's 83%. For more detailed information, you can check out Puerto Montt weather in October.

In comparing the weather of May and November, it's clear that November offers slightly milder temperatures, with minimums around 3°C (38°F) and maximums reaching up to 22°C (72°F), compared to May’s cooler range of 0°C (33°F) to 19°C (67°F). November also sees lower precipitation levels at 156 mm (6.2 in) over 15 days, whereas May is markedly wetter, experiencing 278 mm (11.0 in) across 19 days. Additionally, humidity levels are slightly reduced in November at 80%, compared to a more humid May, which has an average of 86%. For those interested in a detailed look at November weather in Puerto Montt, you can check out Puerto Montt weather in November.

May and December in Puerto Montt present contrasting weather patterns. In May, temperatures range from a chilly 0°C (33°F) to a mild 19°C (67°F), with an average of 10°C (50°F). The month is quite wet, receiving 278 mm (11.0 in) of precipitation over 19 days, coupled with high humidity levels at 86%. In comparison, December enjoys warmer temperatures, with a minimum of 6°C (44°F) and a maximum of 23°C (73°F), averaging 14°C (57°F). Precipitation decreases significantly to 121 mm (4.8 in) over just 12 days, and the humidity is slightly lower at 82%. For a closer look at December's weather specifics, you can check Puerto Montt weather in December.

Compare Puerto Montt's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Puerto Montt

As we transition into May, Puerto Montt experiences a notable shift in weather patterns. With average temperatures hovering around a cool 10°C, it feels significantly chillier compared to the warmer months preceding it. This month also welcomes increased precipitation, with nearly two-thirds of the days seeing rainfall, contributing to a humid environment that averages around 86%. As the landscape turns lush and vibrant, May stands out as a time where the city's charm is drenched in both beauty and rain. For more insights into the region's climate throughout the year, visit Puerto Montt Climate.