Typically, the expected weather in Donegal right-through March is 6 with usual highs being around 9 and average daily low being 6 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 6 |
| High Temperature | 9 |
| Low Temperature | 6 |
Useful Links: Donegal Weather: Average Weather & Yearly Climate