Parts of Dartmoor woke up to a dusting of snow after an evening of strong winds that brought trees down and left homes without power.
Flood alerts still in place in the two counties following heavy rain through Monday.
Sheila Coates, from Princetown, told BBC Radio Devon: "It's crazy. When I went to bed last night I couldn't see out of my front window for the snow.
"I've lived here all my life and I've never known weather like it at this time of year."
The strange May weather was due to a strong low pressure system over England.
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