 The temperatures are highest on average in August, at around 26.0 °C, and lowest in January, at around 2.2 °C.Owing to its location at the foot of Mount Hotaka facing onshore winds from the Sea of Japan, Jōetsu is the wettest low-lying part of the northern hemisphere temperate zone apart from the Owase region of the Kii Peninsula, receiving an average of around of precipitation per year.As a comparison, Forks on the windward side of Washington's Olympic Peninsula receives and Rize on the Black Sea coast of Turkey .