Castro weather in March
Chile

March in Castro: nice, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Castro · #444 of 1383 destinations to visit in March · comfort 81/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Castro in March
No notes yet. Open Castro on the map to add the first one.
Castro climate normals — March
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Feels like (high) | 16°C / 61°F | |
| Sea temperature | 13°C / 56°F | 🥶 cold sea |
| Rainfall | 90 mm / 3.5 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 10°C / 49°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 12.3 h | |
| Wind | 15 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 March
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.
BusySummer holidays in Chile, school holidays in 2 of the markets that fill it(estimated)
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.
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?
Castro in March — FAQ
- Is March a good time to visit Castro?
- March in Castro: nice, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Castro on SeasonMap's comfort score (81/100).
- What is the weather like in Castro in March?
- In March, Castro averages a daily high of 17.6°C and a low of 9.7°C, with about 90.1 mm of rain over roughly 11 rainy days.
- What is the air quality in Castro in March?
- Castro has a mean US Air Quality Index of about 21 in March.
Other months in Castro
Compare Castro in March
Warmer or cooler than Castro in March
Similar destinations in South America — March
Within 300 km: San Carlos de Bariloche's Trout fishing season around 1 Nov – 1 May.