According to a number of building sites siding materials tend to go on sale in the fall when siding contractors new winter inventory comes in.
Best time to have siding installed.
This is where you benefit from not being part of the crowd.
For example vinyl will expand in the extreme heat and contract in the frigid cold which can compromise the installation and overall life of the product.
Despite the issues listed above most homeowners still get new siding installed in the spring or summer.
For instance vinyl siding can rarely be installed during colder winter months.
In colder climates you want your siding especially vinyl siding installed before freezing weather hits when siding gets slightly brittle and can crack during installation.
If you live where winters are mild then for you best time of year to replace your siding will be late fall or early winter.
Moderate temperatures are the most optimal for installing vinyl siding which means the optimal seasons are spring early or late summer and fall.
However this strategy only works in certain cases.