Castro weather by month

The best time to visit Castro is December to February — 92/100 in February, 20°C and 7 rainy days. The best season is summer, December to February (89/100 on average).

The worst month is June at 51/100 — cold, soaked, clean air. See June →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit Chile →

Castro🇨🇱 Chile · Andean Lakes District · City92
  1. 90Jan
  2. 92Feb
  3. 81Mar
  4. 69Apr
  5. 61May
  6. 51Jun
  7. 53Jul
  8. 56Aug
  9. 65Sep
  10. 74Oct
  11. 79Nov
  12. 86Dec

Best season: December to February (89/100 on average) · worst June (51/100)

Days
20°C
Nights
11°C
Wet days
7
Sun
10.3 h
Humidity
74%
Daylight
14 h
Castro, Chile
Photo: Joanna · CC BY 2.0

Castro, month by month

Comfort score out of 100 for the kind of trip Castro is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan90S20°C9 d12 hPeak2
Feb92S20°C7 d10 hPeak3
Mar81A18°C11 d9 hBusy1
Apr69C15°C15 d7 hShoulder—
May61C12°C16 d6 hShoulder1
Jun51D10°C19 d5 hBusy1
Jul53D10°C18 d5 hBusy1
Aug56D11°C20 d6 hBusy2
Sep65C12°C17 d8 hPeak3
Oct74B14°C15 d9 hShoulder1
Nov79B16°C13 d10 hShoulder1
Dec86A18°C11 d11 hBusy1

What's on in Castro through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

January
  • Chiloé summer season1 Jan – 28 FebSeason
February
  • Festival Costumbrista Chilote21–22 FebFestival
May
  • Winter shutdown1 May – 15 Sep (usually)Season
August
  • Nazareno de Caguach28–30 Aug (usually)Festival
September
  • Puñihuil penguin season15 Sep – 31 Mar (usually)Nature
  • Fiestas Patrias16–21 Sep (usually)Holiday

Everything on in Castro through the year →

Crowds in Castro in February

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsChiloé summer season, Festival Costumbrista Chilote, Summer holidays in Chile(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Traveller notes on Castro

What people who have been say about the place — the year-round notes first, then month by month.

Forum posters describe Chiloe's weather as genuinely changeable regardless of season - hot and sunny one stretch, cold, rainy and stormy the next, sometimes within the same visit. Posters are candid the experience of Chiloe hinges heavily on the weather cooperating, with a rained-out stay considered a real letdown by some travelers given how much of the appeal is outdoor scenery and hiking. February sits at the height of Chile's summer vacation season, so posters flag genuinely heavier crowds and fuller accommodation as the main practical downside of this specific month, alongside the ever-present weather uncertainty. Castro itself, known for its colorful palafito stilt houses, is consistently named as a solid base for exploring the island's west-coast hiking trails within about an hour's drive.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗
Chile forum threads are blunt that August is deep winter in the south, and the farther south you go the colder and rainier it gets - Chiloé in general and Castro specifically were flagged as not the best pick for a winter visit compared to central Chile. Experiences reported varied widely though: one visitor described an excellent August/September stretch with clear skies for exploring lakes, glaciers and waterfalls, while another reported rain roughly half the time in Castro and found the mood in town noticeably subdued, possibly weather-related. The consistent thread across both takes: come with flexible plans and real rain gear, since which experience you get seems to depend heavily on the specific week.
ChiloeIslandRegular · August · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Castro's card on the map.