The temperatures in Johnson City in May are comfortable with low of 11°C and and high up to 24°C.
You can expect rain for roughly half of the month of May in Johnson City. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Johnson City in May 2025.
If you’re planning to visit Johnson City in the near future, we highly recommend that you review the 14 day weather forecast for Johnson City before you arrive.