Frequent average weather in Split in the course of May is 16 with usual highs being around 22 with lows about 13 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 16 |
| High Temperature | 22 |
| Low Temperature | 13 |
| Sunshine Per Day | 10 |
Useful Links: Split Weather: Average Weather & Yearly Climate