@sun @aetios @mametsuko
Let's see
"Nagano experiences a broad contrast ... the coldest period is winter, particularly during January, with temperatures fluctuating between -4.1°C (24.6°F) and 3.5°C (38.3°F). "
And for Arizona
"December ushers in winter in Flagstaff ... with average high temperatures fluctuating between 42.6°F (5.9°C) to 53.1°F (11.7°C) and lows reaching down to 24.8°F (-4°C)."
Oh wow, Japan wins by 0.1 degrees C.