Bhutan in December is chilly because it’s winter there. During the day, the temperature usually stays between 10 to 15 degrees Celsius (50 to 59 degrees Fahrenheit). That’s like wearing a warm sweater weather. For Bhutan in December, It’s essential to wear hot clothes to stay comfortable. You’d want cosy things like thick jackets, sweaters, gloves, and a hat. And remember warm socks and sturdy shoes if you plan to walk around.