Final answer:
The scene foreshadows the story's climax through changes in the weather.
Step-by-step explanation:
The scene from the excerpt contributes to the story's plot by establishing a change in scenery that foreshadows the story's climax. The mention of the months growing cold and the darkness and frostiness sets a tone of anticipation and unease. This helps build suspense and hints at a significant event that will occur in the story.
Learn more about Foreshadowing in literature