YOU SAID:

it is wet outside because of my pants

INTO JAPANESE

私のズボンのため外は雨です。

BACK INTO ENGLISH

It's raining outside for my pants.

INTO JAPANESE

私のズボンの外は雨です。

BACK INTO ENGLISH

It's raining outside of my pants.

INTO JAPANESE

私のズボンの外は雨です。

BACK INTO ENGLISH

It's raining outside of my pants.