You should expect the average temperature in Castlereagh throughout the duration of April is 7. Average high is typically 12 with lows about 6 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 12 |
| Low Temperature | 6 |
Useful Links: Castlereagh Weather: Average Weather & Yearly Climate