YOU SAID:
Swedish weather is bad in winter
INTO JAPANESE
冬はスウェーデンの天気が悪い
BACK INTO ENGLISH
Sweden has bad weather in winter
INTO JAPANESE
スウェーデンは冬の天気が悪い
BACK INTO ENGLISH
Sweden has bad winter weather
INTO JAPANESE
スウェーデンは冬の天気が悪い
BACK INTO ENGLISH
Sweden has bad winter weather
That didn't even make that much sense in English.