Climate guide for Chaitén, Chile

Best Time to Visit
Chaitén

How to read the score (0–10)
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01 · Chile

About Chaitén

Chaitén rebuilt after a 2008 eruption-ferry gateway to Pumalín parks and northern Patagonia fjords. 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
February leads the year at 9.8/10, with January and December close behind — July (2.5/10) is the one to avoid without a specific reason.
02Weather & what to pack
In February plan for about 12°C; the month brings 26 mm of rain. Pack layers you can shed by midday plus one warm layer for the evening.
03Crowds & value
Crowds build in February and rates follow; October usually pairs good conditions (7.8/10) with the lowest prices of the strong months.

Things to do in Chaitén

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

When to visit Chaitén: the short answer

Plan Chaitén for February, with January, December close behind — the stretch with the most usable temperatures and the fewest lost days to rain: February averages 12°C with 26 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 Chaitén swings from 2°C in July to 12°C in February, a 11-degree spread, while rainfall ranges from 26 mm in February to 142 mm in July. In short, Chaitén is not equally good year-round — the gap between its best and worst month is 7.3 points on the same 10-point scale.

Warmest month: February (12°C). Coolest: July (2°C). Driest: February (26 mm). Wettest: July (142 mm).

Chaitén month by month

January ranks 2nd of 12 for Chaitén — one of the best windows

Best window · 9.6/10

Expect 12°C (53°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 27 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 14.8 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Chaitén at 9.6/10 (2nd of 12), just behind February at 9.8/10.

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.

February in Chaitén — the year's strongest window

Best window · 9.8/10

Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.

With around 26 mm of rain, any showers tend to pass through rather than settle in; about 25 days with 6+ hours of sunshine and 13.7 hours of daylight fill the rest.

On our climate-comfort scale this is the top-ranked month of the year for Chaitén at 9.8/10 — 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 layers you can shed by midday plus one warm layer for the evening, footwear you can get muddy.

March in Chaitén — reliably good (6th best month)

Good · 7.1/10

March averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 57 mm, so plan one flexible day in three; you still get about 11 days with 6+ hours of sunshine and 12.3 hours of daylight.

It scores 7.1/10 here, 6th of 12 months, against 9.8/10 in the destination's best month.

Figure on 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? February scores 2.7 points higher here — enough to change the trip.

April in Chaitén — off-season conditions

Hardest · 4.4/10

Expect 7°C (44°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.

105 mm of rain signals a properly wet month, with only about 1 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 4.4/10 on the same scale — 7th of 12 months, versus 9.8/10 for the best month here.

Budget for 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 proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in Chaitén — 5.4 points higher on the same scale.

May in Chaitén: expect compromises

Hardest · 3.9/10

May averages 4°C (39°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 74 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 9.5 hours of daylight.

It scores 3.9/10 here, 9th of 12 months, against 9.8/10 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? February scores 5.9 points higher here — enough to change the trip.

June in Chaitén — the hardest end of the year

Hardest · 2.8/10

At 3°C (37°F) this is proper winter weather in June: layer up and split the day between outdoor highlights and indoor stops.

128 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 2.8/10 on the same scale — 11th of 12 months, versus 9.8/10 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 proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in Chaitén — 7 points higher on the same scale.

July in Chaitén — off-season conditions

Hardest · 2.5/10

At 2°C (35°F) this is proper winter weather in July: layer up and split the day between outdoor highlights and indoor stops.

142 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 2.5/10 on the same scale — 12th of 12 months, versus 9.8/10 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 proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in Chaitén — 7.3 points higher on the same scale.

August in Chaitén — the hardest end of the year

Hardest · 3.6/10

August averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Rainfall runs 87 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 10.2 hours of daylight.

It scores 3.6/10 here, 10th of 12 months, against 9.8/10 in the destination's best month.

Figure on low-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? February scores 6.2 points higher here — enough to change the trip.

September in Chaitén — off-season conditions

Hardest · 4.2/10

September averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

At 117 mm this is a genuinely wet month: about 5 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 4.2/10 here, 8th of 12 months, against 9.8/10 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 proper rain shell rather than an umbrella, footwear you can get muddy.

Flexible dates? February scores 5.6 points higher here — enough to change the trip.

October in Chaitén — reliably good (4th best month)

Good · 7.8/10

Expect 6°C (43°F) in October. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 41 mm of rain, any showers tend to pass through rather than settle in; about 19 days with 6+ hours of sunshine and 13.2 hours of daylight fill the rest.

That is 7.8/10 on the same scale — 4th of 12 months, versus 9.8/10 for the best month here.

Budget for 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, February is materially better in Chaitén — 2 points higher on the same scale.

November in Chaitén: strong conditions, 5th of 12

Good · 7.7/10

Expect 8°C (46°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 77 mm of rain this month — a flexible day or two helps — with about 20 days with 6+ hours of sunshine and 14.5 hours of daylight to work around it.

That is 7.7/10 on the same scale — 5th of 12 months, versus 9.8/10 for the best month here.

Budget for 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, February is materially better in Chaitén — 2.1 points higher on the same scale.

December in Chaitén — one of the year's strongest windows (3rd)

Best window · 9/10

December averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 15.2 daylight hours.

A 9/10 puts this among the year's best months in Chaitén (3rd of 12); only February scores higher, at 9.8/10.

Plan for 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 Chaitén, Chile?
In Ideal Weather mode, the best months to visit Chaitén are February, January, December. February is the single peak month with an Ideal Weather score of 9.8/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Chaitén year-round?
Chaitén has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from 2°C in July to 12°C in February, with Ideal Weather scores between 2.5 and 9.8 out of 10.
Which months should I avoid in Chaitén?
The lowest Ideal Weather-scoring months in Chaitén are July (2.5/10), June (2.8/10), August (3.6/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Chaitén?
July is the wettest month in Chaitén, averaging about 142 mm of rainfall. February is the driest, at roughly 26 mm.
Which is the sunniest month in Chaitén?
January sees the most sun in Chaitén, with about 31 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Chaitén a good destination for nature and wildlife travel?
Chaitén is well suited to nature and wildlife travel. Its highest Ideal Weather window (February, January, December) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Chaitén calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Chaitén: 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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Curated in Chaitén

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