Riom is a city of approximately 20,100 people in Rhone-Alpes, France. Located in the Central European time zone at 45.9°N latitude.
In 2025, Riom recorded an average annual temperature of 53°F. The hottest temperatures reached 97°F in August; the coolest were 20°F in January. Total precipitation for the year was 38 inches, with the wettest month being August. Snowfall for the year totaled approximately 2 inches.
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