When Are Subterranean Termites Most Active?

Most species of subterranean termites swarm during the spring and summer months, typically on a warm day with calm winds after a rainfall. Drywood termites and one particular species of subterranean termite (R. hageni) typically swarm during the late summer or fall months, from August through November.

What time of day do Subterranean termites swarm?

Termite swarming season varies by species. Subterranean termites swarm during daylight hours in the spring. Drywood termites swarm in late summer to early fall.

What time of day are termites most active?

Subterranean termites swarm during the day, particularly after rainfall. They're most active in the spring. Invasive Formosan termites swarm at night and are generally at their peak in the late spring and summer. Drywood termites are also active at night, especially around lights.