What's the weather like in Okayama, Japan in early February? What should I wear?

Need a down jacket or sweater to keep out the cold.

1, Kurashiki: annual precipitation: 1028.6mm, annual temperature: maximum 39.3℃, minimum-9.1℃; The highest temperature in February was 1 1.2℃, the lowest temperature was 2. 1℃, and the precipitation was 22.7 mm.

2. Gangshan Mountain: 198 1-200 1 year, annual precipitation: 1660. 16mm, annual average temperature: 37. 1℃, minimum-. The highest temperature in 65438+February was 1 1.4℃, the lowest temperature was 2.8℃, and the precipitation was 26.2 mm.