Riom Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Riom.
Climate overview of Riom
Riom, Auvergne, France, sees big temperature differences between seasons, with August peaking at 26°C (79°F) and January dropping to 8°C (46°F).
Riom sees a moderate amount of rain/snowfall, totalling around 931 mm (37 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. The most sunshine falls in July, with an average of 8.4 hours of daily sunshine.
Riom Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Riom - and find the best time to visit.
Monthly Temperature in Riom
Visitors to Riom can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 26°C (79°F) in August, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in August to around 0°C (32°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Riom
Generally, Riom experiences moderate precipitation patterns, averaging 931 mm (37 in) yearly. Year-round, Riom has a balanced climate with minimal variation in precipitation. The difference between the wettest month, May, with 96 mm (3.8 in), and the driest month, March, with 60 mm (2.4 in), is minimal. For more details, please visit our Riom Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Riom
Seasonal changes in sunshine hours are quite dramatic in Riom. While July receives considerable daily sunshine with up to 8.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Riom by Month
The relative humidity is high throughout the year in Riom.
The city experiences its highest humidity in December, reaching 85%. In July, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Riom
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: July and August
- Fewer rainy days: June, July, August, September and October
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around 0°C (32°F).
Frequently asked questions about the climate in Riom
What is the best time to visit Riom?
May, June, July, August and September typically offer the most optimal weather in Riom. In contrast, January, February and December tend to have less optimal conditions. Riom has warm summers and cold winters.
What temperatures can I expect in Riom?
Daytime highs range from 8°C (46°F) in January to 26°C (79°F) in August. Nighttime lows range from 0°C (32°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Riom get?
Annual rainfall is around 931 mm (37 in). May is the wettest month with 96 mm (3.8 in), while March is the driest with 60 mm (2.4 in).
How sunny is Riom?
Riom receives around 1,872 hours of sunshine per year. July is the sunniest month with 251 hours, while December is the cloudiest with just 57 hours.
Riom 3-Day Forecast
Riom on the map
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