Typically the average temperate in Portaferry right-through May is 9, with highs being around 14 and average daily low being 8 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 9 |
| High Temperature | 14 |
| Low Temperature | 8 |
Useful Links: Portaferry Weather: Average Weather & Yearly Climate