The temperatures in Moncton in May are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Moncton. 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.
Please note that Moncton can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Moncton in May 2025.
If you’re planning to visit Moncton in the near future, we highly recommend that you review the 14 day weather forecast for Moncton before you arrive.