Reuven Karasik

This plugin adds two sections to the Products table in WooCommerce:
<ol>
<li>A new column for for each product, showing the shipping class defined for that product (or a proper message is there isn’t one defined) </li>
<li>A new filter box above the table, where you can choose to filter only the products that have a specific shipping class attached to them. You can also filter all the products with no shipping class at all, as a convenient way of making sure all your products have a shipping class set.</li>
</ol>
It also adds filtering to the Orders table in WooCommerce with similar capabilities. This feature considers each order to have one shipping class.

Woo Shipping Class Filter

A WooCommerce Extension that enabled filtering products by Shipping class in the admin panel.

Alexandre Gaboriau

This plugin works with WooCommerce. It allows you to change shipping classes dynamically according to dates.
You can choose the recurring month & day, and it will be defined for every year.
Once the dates of your shipping classes are defined, you can for example, assign different shipping costs to them.

Recurring Shipping Classes

This plugin works with WooCommerce. It allows you to change shipping classes dynamically.

Woo Shipping Class Filter vs Recurring Shipping Classes