Crocheters often have more than one project they are working on at a time. Some may not understand why they can't complete a project before starting another, but it makes perfect sense to have multiple projects in the works for a variety of reasons. The weather is a good example.
In the course of a single day, it could be cold and damp, turn hot and steamy, and end up mild. Why not have a project that is comfortable to work on regardless of the weather? It's much more productive that way.
Yesterday's cold rainy morning was perfect for working on those wool coats. As more fabric was created, it draped over my lap keeping me warm and comfortable. Cold, damp hours are also perfect for afghans or any other large project.
When the sun comes out with its summer heat, time to switch to cotton or some other lightweight fiber. Small projects, such as socks, work up relatively quickly and won't stick to your skin or provide unwanted warmth by covering you up. This is the perfect time to work on those submission swatches for the spring/summer deadlines that are coming up.
In the evenings after the sun has set, the mild temperature allows the crocheter to work on whatever project they would like. Mid-weight tops, skirts, purses - the possibilities are endless. Personally, I like to work on the gifts I'm planning to give as a way to unwind at the end of the day.
Instead of cursing the weather, use it to your advantage by working on a comfortable project suited for the current temperature. You'll soon forget all about what is going on outside!