Taking into account the local weather in Saint-Julien-lès-Russey can help you maximize your time at the pool during your trip. The hottest months are usually July and August with an average temp of 60°F, while the coldest months are January and February with an average of 34°F. The rainiest months in Saint-Julien-lès-Russey are June, May, December, and July, with each month seeing an average of 7 inches of rainfall.