YOU SAID:

When it's cold outside and you have no reason to go outside.

INTO JAPANESE

外が寒くて外に出る理由がないとき。

BACK INTO ENGLISH

When there is no reason to get outside as it is cold outside.

INTO JAPANESE

寒い季節に外に出る理由がないとき。

BACK INTO ENGLISH

When there is no reason to go outside during the cold season.

INTO JAPANESE

寒い季節に外出する理由がないとき。

BACK INTO ENGLISH

When there is no reason to go out in a cold season.

INTO JAPANESE

寒い季節に外出する理由がないとき。

BACK INTO ENGLISH

When there is no reason to go out in a cold season.