Castro weather in April

April in Castro: cool, rainy, with clean air — a good time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Castro🇨🇱 Chile · Andean Lakes District · City69
  1. 90Jan
  2. 92Feb
  3. 81Mar
  4. 69Apr
  5. 61May
  6. 51Jun
  7. 53Jul
  8. 56Aug
  9. 65Sep
  10. 74Oct
  11. 79Nov
  12. 86Dec

#7 of 12 months in Castro · #1087 of 1413 destinations to visit in April · comfort 69/100 (tier C)

Days
15°C
Nights
8°C
Wet days
15
Sun
6.6 h
Humidity
86%
Daylight
11 h
Castro, Chile
Photo: Joanna · CC BY 2.0

Traveller notes on Castro in April

Other months in Castro

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 ↗
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 ↗

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

Castro climate normals — April

Daytime high15°C / 58°F🙂 cool
Nighttime low8°C / 47°F
Feels like (high)13°C / 55°F
Sea temperature12°C / 54°F🥶 cold sea
Rainfall133 mm / 5.2 in🌧 rainy
Rainy days15 days
Humidity86%💦 very humid
Dew point9°C / 47°F
Sunshine6.6 h/day
Daylight10.9 h
Wind15 km/h / 9 mph
Air quality (US AQI)21🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Castro in April

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.

Shoulder seasonan ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Castro's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherCastro's weather peaks December–February.

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Best weatherFair weatherToughest weather

Nearby, and something's on

Within 300 km of Castro — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Castro?

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Castro in April — FAQ

Is April a good time to visit Castro?
April in Castro: cool, rainy, with clean air — a good time to visit. It ranks #7 of 12 months for Castro on SeasonMap's comfort score (69/100).
What is the weather like in Castro in April?
In April, Castro averages a daily high of 14.7°C and a low of 8.1°C, with about 132.8 mm of rain over roughly 14.6 rainy days.
What is the air quality in Castro in April?
Castro has a mean US Air Quality Index of about 21 in April.

Within 300 km: San Carlos de Bariloche's Lenga forests turning around 1 Apr – 10 May.