YOU SAID:
He went on holiday to England, however it was rainy.
INTO JAPANESE
彼はイギリスに休暇で行きました、しかしそれは雨でした。
BACK INTO ENGLISH
He went on vacation to England, but it was raining.
INTO JAPANESE
彼はイギリスに休暇で行きましたが、雨が降っていました。
BACK INTO ENGLISH
He went on vacation to England, but it was raining.
That didn't even make that much sense in English.