ClimateForecastNovemberDecember >>

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

Data from: Grenoble, France (54 KM, 33 Miles).

Daily hours of sunshine

Data from: Grenoble, France (54 KM, 33 Miles).

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:
  • Which is the warmest month in Romans-sur-Isère?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Romans-sur-Isère?
    The coldest month is January with an average maximum temperature of 8°C.
  • Which is the wettest month in Romans-sur-Isère?
    November tops the wettest month list with 114 mm of rainfall.
  • Which is the driest month in Romans-sur-Isère?
    August is the driest month with 60 mm of precipitation.
  • Which is the sunniest month in Romans-sur-Isère?
    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.

    Forecast for Romans-sur-Isère

    Sat   Nov 23
    10°C | -4°C
    S 22 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sun   Nov 24
    16°C | 9°C
    S 25 km/h
    overcast and no rain

    overcast and no rain

    Mon   Nov 25
    18°C | 11°C
    S 32 km/h
    24 mm
    broken clouds and rain

    broken clouds and rain