Comfortable climate battle: Coventry vs Christchurch

Because, like most SH climates, ChCh's annual mean minima are very close to the all-time records.

Jun: monthly mean min, –4.7° C; all-time record, –7.2° C

Jul: monthly mean min, –4.9° C; all-time record, –6.8° C

Aug: monthly mean min, –3.7° C; all-time record, –6.7° C

Contrarywise, English mean mins don't usually get anywhere near the records.