The weather in Mammoth in May is very cold with temperatures between -3°C and 9°C, warm clothes are a must.
There’s going to be many days of rain during the month of May in Mammoth.
Mammoth should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Let it snow! You can expect Mammoth to be covered in white during the month of May. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Mammoth in May 2025.
If you’re planning to visit Mammoth in the near future, we highly recommend that you review the 14 day weather forecast for Mammoth before you arrive.
