Most swarming activity takes place from April through May. Bees don't swarm during the rain, so this year we will most likely see the time frame pushed back a few weeks. Honey bees, Apis mellifera, swarm for one of two reasons.

What months do honey bees swarm?

Swarm season generally occurs between spring and early summer. Being connected in the local beekeeping community greatly increases your chances of finding a swarm.

What time of day do honey bees swarm?

Swarming usually occurs from mid-morning to mid-afternoon, while bearding may occur late in the afternoon into the evening. Generally, bearding bees don't do back inside until the temperature drops—which may be quite late in the day.