This is the 12641st most frequent Swedish word.
somrar
"Somrar" means "summers" in English.
Here, 'somrarna' (the summers) serves as the subject of the sentence, in the definite plural form, describing summers collectively.
Somrarna i Sverige är ofta ljusa och varma.
Summers in Sweden are often bright and warm.
'Somrarna' here is used in the definite plural form, indicating specific summers recurrently.
Vi brukar resa till kusten under somrarna.
We usually travel to the coast during the summers.
In this sentence, 'somrar' is used in the indefinite plural form to describe summers in a general sense.