noun
unseasonable weather; fickle weather; bad weather
Refers to weather that is abnormal for the season, unstable, or generally poor. Often used in news and formal contexts.
今年の夏は天候不順で、野菜の値段が上がった。
This summer's unseasonable weather caused vegetable prices to rise.
天候不順のため、試合は中止になった。
The match was canceled due to bad weather.