Typically, you can expect that the weather in Belfast for the duration of March is 4. Average high is typically 9 with lows of 3. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 4 |
| High Temperature | 9 |
| Low Temperature | 3 |
| Sunshine Per Day | 4 |
Useful Links: Belfast Weather: Average Weather & Yearly Climate