Monthly climate guide
Castro weather in March
With highs near 16°C (61°F) and lows around 9°C (48°F), March feels mild in Castro. Rainfall averages about 71 mm (some rain) and the sky is often cloudy. Daytime highs are about the same as February and 2°C warmer than April.
What stands out in March
- In Castro, March is early autumn — the seasons are reversed south of the equator.
- March is Castro's third warmest month.
- Castro is usually about 3°C cooler than Puerto Montt, 130 km away, in March.
Avg high
16°C
61°F
Avg low
9°C
48°F
Rainfall
71 mm
some rain
Humidity
86%
relative
Sky
63%
cloud · often cloudy
Castro weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 18°C / 64°F | 10°C / 49°F | 47 mm | 83% | 55% |
| February | 17°C / 63°F | 10°C / 50°F | 53 mm | 84% | 56% |
| March | 16°C / 61°F | 9°C / 48°F | 71 mm | 86% | 63% |
| April | 14°C / 57°F | 8°C / 46°F | 112 mm | 88% | 70% |
| May | 12°C / 54°F | 7°C / 45°F | 151 mm | 90% | 81% |
| June | 10°C / 49°F | 6°C / 42°F | 170 mm | 91% | 80% |
| July | 9°C / 49°F | 5°C / 41°F | 153 mm | 91% | 77% |
| August | 10°C / 50°F | 5°C / 42°F | 147 mm | 90% | 81% |
| September | 11°C / 52°F | 5°C / 42°F | 91 mm | 87% | 72% |
| October | 13°C / 55°F | 6°C / 43°F | 75 mm | 85% | 70% |
| November | 15°C / 58°F | 7°C / 45°F | 64 mm | 83% | 69% |
| December | 16°C / 61°F | 9°C / 48°F | 55 mm | 83% | 67% |
What to pack for March
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is March a good time to visit Castro?
Compare the months in the chart above to find your ideal window.
Best time to visit Castro →Other Chile cities in March
Cite or embed this data
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Castro weather in March. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/chile/castro/march
<a href="https://weathercompare.eu/weather/chile/castro/march">Castro weather in March</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/chile/castro" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Castro weather in March"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/chile/castro/march">Castro weather in March</a> – WeatherCompare</p>
Castro in March: quick answers
Is March a good time to visit Castro?
March is a reasonable time for Castro: highs around 16°C and about 71 mm of rain, though not one of the three best months.
How warm is Castro in March?
Average highs are about 16°C (61°F) and average lows about 9°C (48°F), based on 10 years of daily data.
Does it rain a lot in Castro in March?
Castro typically gets around 71 mm of rain in March — some rain.
Figures are long-term averages for the area around Castro (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.