The temperatures in Westport in May are usually low and can range between 12°C and 19°C.
You can expect rain for roughly half of the month of May in Westport. 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 Westport in May 2025.
If you’re planning to visit Westport in the near future, we highly recommend that you review the 14 day weather forecast for Westport before you arrive.
Temperatures
19° / 12°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
153
mm
Sun Hours
6.4
Hrs
