[nfc]

I'm gonna advocate Tenerife (my island) since it would be amazing to have more HNers around :)

https://weatherspark.com/y/147639/Average-Weather-at-Tenerif...

Doesn't seem to get much better according to weatherspark :)

[AlanSE]

It's like Hawaii, but after adding back in some "cool" temperatures.

https://weatherspark.com/y/145050/Average-Weather-at-Hilo-In...