(1) Temperature in our city changes a lot during spring.

(2) Temperatures in our city change a lot during spring.

What is the difference in meaning between the singular and the plural of "temperature" in the sentences? Thank you very much.


Neither sentence is native English.

(1) The average daily temperature in our city varies a lot in the spring. (One value is being tracked)

(2) Temperatures in our city can range from a high of 21 °C to a low of 10 °C in the spring. (Two values are being tracked.)