The temperatures in Castro in March are usually low and can range between 10°C and 17°C.
You can expect rain for roughly half of the month of March in Castro. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Castro in March 2026.
If you’re planning to visit Castro in the near future, we highly recommend that you review the 14 day weather forecast for Castro before you arrive.
Temperatures
17° / 10°
Rainy Days
8
Snowy Days
0
Dry Days
24
Rainfall
134
mm
Sun Hours
9.0
Hrs
