If you planning to travel to Yamanashi Jewelry Museum, Kofu, Japan, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 9:57 PM. The temperature feels like 41.8 with a humidity level of 50 so dress accordingly. Cloud coverage is 0 percent with visibility at 14.8 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 2 MPH. At the end of the day don’t miss the sunset at 7:44 AM.