3 ms·

Connected from Ireland, Firefox in English, default was °F Possibly the locale detection is limited/imperfect, with °F as a fallback.

• sidarape 10y ago
  You can see the available locales in the setting panel.
• hobarrera 10y ago
  Using ºF is an odd fallback, considering it's just one country that uses it (just make sure detection works ok for it and you're done).