More often than not you can expect weather in Sequim throughout the month of May is 9, with highs being around 15 and lows being 7 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 9 |
| High Temperature | 15 |
| Low Temperature | 7 |
Useful Links: Sequim Weather: Average Weather & Yearly Climate