What is Russian Dwarf Hamsters Lifespan? It's best to put this into consideration when getting a pet hamster. Usually, hamsters have a brief lifespan. That their lifespan averages 2 years doesn’t imply it won’t die earlier than 1 or 2 years. Nonetheless, if you'll be able to prolong the longevity of your dwarf hamsters by how nicely you care for dead hamster them. With correct care and constant treatment from a vet. Your hamsters can not solely live longer but in addition stay healthy, enjoyable, and happy.