Generally the typical temperate in Riga during the duration of May is 10 with a typical high being 16 and low being around 7 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 10 |
| High Temperature | 16 |
| Low Temperature | 7 |
| Sunshine Per Day | 9 |
Useful Links: Riga Weather: Average Weather & Yearly Climate