Typically, the expected weather in Stornoway throughout the time of May is 7 with a high of 12 with lows about 6 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 12 |
| Low Temperature | 6 |
Useful Links: Stornoway Weather: Average Weather & Yearly Climate