What time of year are termites most active?
Spring is the swarming season for most subterranean termites. Most species of subterranean termites swarm during the spring and summer months, typically on a warm day with calm winds after a rainfall. What time of year is best for termite treatment? Winter is the most important season for termite control. If you already have termites, it's imperative you have been them exterminated as soon as possible. If not, then this is an excellent time to fortify your home and prevent future infestations.