An ice day is a day on which the maximum temperature doesn't exceed 0 °C and a tropical night is a night on which the minimum temperature exceeds 20 °C. Probably no part of the tropics has experienced an ice day and most continental locations far north haven't experienced a tropical night. My guess is that a location that has experienced neither would have to be coastal or an island in the mid-latitudes: Eureka, California, is one example (the coldest day was 1°C and the warmest night 17 °C). Campbell island (NZ) and Tristan Da Cunha might also be examples, but I couldn't find exact data to prove it.

  • 3
    $\begingroup$ You'd have to define "never" - in recorded history? Since the formation of the earth? $\endgroup$
    – Eonema
    Commented Feb 16, 2023 at 17:46
  • 1
    $\begingroup$ you might want to update your kowledge about tropical nights in the arctic. $\endgroup$ Commented Feb 17, 2023 at 15:09
  • $\begingroup$ Seems a reasonable question to me (other than the "never")... basically the answer should be: very maritime locales near continually modest water temperatures? Because you're only allowing for about 25°C range over the course of the year. $\endgroup$ Commented Feb 18, 2023 at 2:11
  • $\begingroup$ Never was imprecise. Let's go with never recorded in modern times (for example, since 1850). $\endgroup$
    – user28506
    Commented Feb 28, 2023 at 18:47
  • $\begingroup$ @trondhansen it's conjecture of course, but even in the country we originate from tropical nights are rare. I would say it's unlikely that places like Tynset and Karasjok have ever had one. $\endgroup$
    – user28506
    Commented Feb 28, 2023 at 18:58


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Browse other questions tagged or ask your own question.