Climate guide for Puerto Aysén, Chile

Best Time to Visit
Puerto Aysén

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01 · Chile

About Puerto Aysén

Puerto Aysén is a rainy fjord town near Coyhaique-river bridges, green hills, and boat access deeper into Aysén. In Chile, November through March in the Southern Hemisphere usually delivers the most reliable conditions for nature travel - then use monthly climate scores to fine-tune around crowds, storms, or snow depth.

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Did you know?

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Travel Tips

01Best time & timing
Target January, February, December — that is where comfort scores peak (9.6/10). July is the weakest month at 2.6/10.
02Weather & what to pack
January averages 11°C with 23 mm of rain and about 25 days with 6+ hours of sunshine. Pack a mid-weight jacket and shoes you can walk in all day.
03Crowds & value
If budget matters, target November — 7.9/10 with lighter demand than January.

Things to do in Puerto Aysén

Puerto Aysén, Chile. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Puerto Aysén: the short answer

Plan Puerto Aysén for January, with February, December close behind — the stretch with the most usable temperatures and the fewest lost days to rain: January averages 11°C with 23 mm of rain and about 25 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are July, June.

Across the year Puerto Aysén swings from -1°C in July to 11°C in January, a 12-degree spread, while rainfall ranges from 23 mm in January to 90 mm in July. In short, Puerto Aysén is not equally good year-round — the gap between its best and worst month is 7 points on the same 10-point scale.

Warmest month: January (11°C). Coolest: July (-1°C). Driest: January (23 mm). Wettest: July (90 mm).

Puerto Aysén month by month

January: the best month of the year in Puerto Aysén

Best window · 9.6/10

Expect 11°C (52°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 23 mm of rain, any showers tend to pass through rather than settle in; about 25 days with 6+ hours of sunshine and 15.1 hours of daylight fill the rest.

On our climate-comfort scale this is the top-ranked month of the year for Puerto Aysén at 9.6/10 — the reference point every other month on this page is measured against.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

February ranks 2nd of 12 for Puerto Aysén — one of the best windows

Best window · 9.2/10

Expect 11°C (52°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 25 mm of rain, any showers tend to pass through rather than settle in; about 18 days with 6+ hours of sunshine and 13.9 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Puerto Aysén at 9.2/10 (2nd of 12), just behind January at 9.6/10.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

March in Puerto Aysén — workable with trade-offs

Trade-offs · 5.9/10

March averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 72 mm, so plan one flexible day in three; you still get about 5 days with 6+ hours of sunshine and 12.4 hours of daylight.

It scores 5.9/10 here, 6th of 12 months, against 9.6/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

Flexible dates? January scores 3.7 points higher here — enough to change the trip.

April in Puerto Aysén: expect compromises

Hardest · 4.7/10

Expect 5°C (41°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 57 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 10.7 hours of daylight to work around it.

That is 4.7/10 on the same scale — 7th of 12 months, versus 9.6/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

If your dates are flexible, January is materially better in Puerto Aysén — 4.9 points higher on the same scale.

May in Puerto Aysén — the hardest end of the year

Hardest · 3.9/10

May averages 2°C (36°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 49 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 9.3 hours of daylight.

It scores 3.9/10 here, 9th of 12 months, against 9.6/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

Flexible dates? January scores 5.7 points higher here — enough to change the trip.

June in Puerto Aysén — off-season conditions

Hardest · 3.1/10

At 0°C (33°F) this is proper winter weather in June: layer up and split the day between outdoor highlights and indoor stops.

64 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 8.5 hours of daylight.

That is 3.1/10 on the same scale — 11th of 12 months, versus 9.6/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

If your dates are flexible, January is materially better in Puerto Aysén — 6.5 points higher on the same scale.

July in Puerto Aysén: expect compromises

Hardest · 2.6/10

At -1°C (31°F) this is proper winter weather in July: layer up and split the day between outdoor highlights and indoor stops.

90 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 8.9 hours of daylight.

That is 2.6/10 on the same scale — 12th of 12 months, versus 9.6/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

If your dates are flexible, January is materially better in Puerto Aysén — 7 points higher on the same scale.

August in Puerto Aysén — off-season conditions

Hardest · 3.9/10

August averages 1°C (34°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 45 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 10.1 hours of daylight.

It scores 3.9/10 here, 10th of 12 months, against 9.6/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

Flexible dates? January scores 5.7 points higher here — enough to change the trip.

September in Puerto Aysén: expect compromises

Hardest · 4.6/10

September averages 2°C (36°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 61 mm, so plan one flexible day in three; you still get about 3 days with 6+ hours of sunshine and 11.7 hours of daylight.

It scores 4.6/10 here, 8th of 12 months, against 9.6/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.

Flexible dates? January scores 5 points higher here — enough to change the trip.

October in Puerto Aysén: strong conditions, 5th of 12

Good · 7.6/10

Expect 5°C (42°F) in October. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 28 mm of rain, any showers tend to pass through rather than settle in; about 16 days with 6+ hours of sunshine and 13.3 hours of daylight fill the rest.

That is 7.6/10 on the same scale — 5th of 12 months, versus 9.6/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

If your dates are flexible, January is materially better in Puerto Aysén — 2 points higher on the same scale.

November in Puerto Aysén: strong conditions, 4th of 12

Good · 7.9/10

Expect 7°C (45°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 49 mm of rain this month — a flexible day or two helps — with about 17 days with 6+ hours of sunshine and 14.7 hours of daylight to work around it.

That is 7.9/10 on the same scale — 4th of 12 months, versus 9.6/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer, footwear you can get muddy.

If your dates are flexible, January is materially better in Puerto Aysén — 1.7 points higher on the same scale.

December is one of the strongest months in Puerto Aysén (3rd)

Best window · 9.1/10

December averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 26 days with 6+ hours of sunshine and 15.5 daylight hours.

A 9.1/10 puts this among the year's best months in Puerto Aysén (3rd of 12); only January scores higher, at 9.6/10.

Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

FAQ

Frequently asked

When is the best time to visit Puerto Aysén, Chile?
In Ideal Weather mode, the best months to visit Puerto Aysén are January, February, December. January is the single peak month with an Ideal Weather score of 9.6/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Puerto Aysén year-round?
Puerto Aysén has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from -1°C in July to 11°C in January, with Ideal Weather scores between 2.6 and 9.6 out of 10.
Which months should I avoid in Puerto Aysén?
The lowest Ideal Weather-scoring months in Puerto Aysén are July (2.6/10), June (3.1/10), May (3.9/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Puerto Aysén?
July is the wettest month in Puerto Aysén, averaging about 90 mm of rainfall. January is the driest, at roughly 23 mm.
Which is the sunniest month in Puerto Aysén?
December sees the most sun in Puerto Aysén, with about 26 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Puerto Aysén a good destination for nature and wildlife travel?
Puerto Aysén is well suited to nature and wildlife travel. Its highest Ideal Weather window (January, February, December) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Puerto Aysén calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Puerto Aysén: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for nature and wildlife travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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