How much do you drive?
Lets say that the average winter tire can go 40,000kms safely and you put them on in November, take them off in March.
40,000 / 4 years = 10,000 per year
10,000 / 5 months = 2,000
So if you drive only 2K per month most tires would be fine for your needs.
* This is far from any scientific results, just my jibber jabber.