Normally the average weather in Christchurch during the duration of May is 7 with a general average high of 14 and low being around 4 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 14 |
| Low Temperature | 4 |
Useful Links: Christchurch Weather: Average Weather & Yearly Climate