About Riom, Rhone Alpes

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.

Recent weather here gives a sense of typical conditions: in 2025, Riom recorded a mean annual temperature of 53°F, ranging from 20°F lows in January to 97°F highs in August, with about 38 inches of precipitation across the year.