The highest day temperature in January 2026 was 52°F. The lowest night temperature was 20°F. The average values for day and night temperatures during January were 44.0°F и 37.5°F respectivly.

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation total in January for Rouen is 2.3 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 10.5 mph. It makes January one of the most windy months of the year for Rouen.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rouen in January is 3.2 hours.