Typically, you can expect that the weather in Wellington all through the month of May is 11. Average high is typically 15 with lows about 10. Our table below has the full details:
| Month | Degrees Celsius |
|---|---|
| Temperature | 11 |
| High Temperature | 15 |
| Low Temperature | 10 |
| Sunshine Per Day | 11 |
Useful Links: Wellington Weather: Average Weather & Yearly Climate