Yes, it can rain in March.   I was surprised when I first went there how much it rains, even in March.  I've even seen snowfall in March.  You would be safe with a raincoat.
assistant
Yes, it can rain, especially in March.  The long nights and the late summer can bring heavy rains.
assistant
Have you heard of Juneau?  I will go there on business in March.
user
Yes, I have. It’s a city in Alaska.
assistant
Yes, it is the capital city of the state of Alaska.
user
Correct. I am happy you know this. I like that city because of the mountains.
assistant
I'm going in March.  Should I bring winter jackets?
user
Yes, it can be pretty cold, especially in March.  The long nights and the late summer can bring cold winds.
assistant
Does it rain in March?  Should I bring a raincoat?
user