Romans-sur-Isère Climate by Month
The climate in Romans-sur-Isère is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It receives mid-range precipitation levels.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
In Romans-sur-Isère, temperatures differ significantly between summer and winter months. Average daytime temperatures range from a comfortable 29°C in July, the warmest time of the year, to a chilly 8°C during cooler months like January. At night, temperatures typically average around 0°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
On average, Romans-sur-Isère receives a reasonable amount of rain/snowfall, with an annual precipitation of 979 mm. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 114 mm of precipitation, spread over 12 rainy days. In contrast, August experiences a drier climate, with about 60 mm of rainfall spread across 10 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Romans-sur-Isère. While July receives considerable daily sunshine with up to 9.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.4 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Romans-sur-Isère.
Relative humidity over the year
The best time of year to visit Romans-sur-Isère in France
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 8°C.
November tops the wettest month list with 114 mm of rainfall.
August is the driest month with 60 mm of precipitation.
July is the sunniest month with an average of 288 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.