The correct answer is A. Climate.
Explanation
The difference between climate and weather is that climate refers to the behavior of the Earth's atmosphere and the average of the climatic manifestations during long periods, that is to say, it can indicate a pattern of rains or sunny days. On the other hand, the weather is a term used to refer to changes in the atmosphere in short periods such as days, weeks, and hours. According to this, if Seattle is classified as a rainy city, it means that it rains constantly in this place, that is to say, that it refers to a pattern that covers long periods, therefore the correct word for this situation is the climate. So, the correct answer is A. Climate