This is the 315th most frequent French word.
hausse
Increase; rise; upward trend.
Here, "hausse" refers to an increase or rise in numerical terms.
Le gouvernement a annoncé une hausse des impôts l'année prochaine.
The government announced a rise in taxes next year.
In this case, "hausse" is used to describe an increase in a measurable value, specifically temperature.
La hausse des températures inquiète beaucoup les météorologues.
The rise in temperatures worries many meteorologists.
This sentence uses "hausse" in a figurative way to describe an increase in an abstract concept, such as popularity.