Answer:
There are different clues in the story that the season that the story takes place in is winter. First of all, the doctor says there is a light epidemic of flu, and flu epidemics usually take place in late fall or winter
The use of personification is present in this sentence= My shoes crunched on the gravel and I hear crickets laughing, and humans laugh, crickets don’t and there is the usage of personification, hope this helps
When Grendel says Unferth's "beard and hair hung straight down like seaweed", the literary device used is SIMILE.
Simile is comparing two unrelated and dissimilar things, people, beings, places, and concepts using the words "like", "as" or "such as"
Beard and Hair was compared to seaweed using "like".