Taking the local weather in Asnieres-sur-Seine into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually August and July, with an average temperature of 19°C, while the coldest months are January and February, with an average of 6°C. The snowiest months in Asnieres-sur-Seine are February, May, March and January, with each month seeing an average of 17 cm of snowfall.