French Valley Temecula Valley Wine Country and Old Town Temecula. The nearby French Valley Airport is named after the valley. French Valley is considered to be in the greater Inland Empire region of Southern California. It boasts mild winters with highs in the 60's and overnight lows in the 40's. The summers are very warm with temperatures averaging 102 but sometimes soaring up to 107. French Valley's schools are in the Temecula Valley Unified School District. French Valley French Valley is a valley in southwestern Riverside County, near the cities and communities of Hemet, Winchester, and Temecula in the state of California,
Loire of the estuary), and the beaches of Le Croisic and La Baule along the coastline. Its main tributaries include the rivers Maine, Nièvre and the Erdre on its right bank, and the rivers Allier, Cher, Indre, Vienne, and the Sèvre Nantaise on the left bank. The largest tributary of the river is the Allier, in length, which joins the Loire near the town of Nevers at . Downstream of Nevers lies the Loire Valley, a UNESCO World Heritage Site due to its fine assortment of castles. The second longest tributary is the Vienne which joins the Loire at Candes-Saint-Martin at