Male Monarch Butterfly (males have a black dot on their underwings) – Monarch Butterflies winter here on the Central Coast – in Pismo Beach, Morro Bay and Pacific Grove. They return every winter between Oct. and Feb. This is a special variety of Monarch Butterfly with a life span of about 6 months. The normal life span of a common Monarch is about 6 weeks. As always, click on the image to enlarge and enjoy even further.