Typical average weather in Sifnos in the time of May is 18. You can expect highs around 23 and low of 16 degrees. For more context we have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 18 |
| High Temperature | 23 |
| Low Temperature | 16 |
Useful Links: Sifnos Weather: Average Weather & Yearly Climate