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The valley's unique microclimate makes for a general pattern of morning mist, warm midday sun, cooling afternoon breezes, and cooler nights. These weather factors combined with the perfect balance of great geography create an ideal environment for growing high quality wine grapes and experiencing a variety of outdoor activities.
Although separated from the Pacific by the Santa Rosa range, the Rainbow Gap funnels the mild beach climate into the valley. Average summer highs are 85 degrees; winter lows 39 degrees. Yearly average rainfall in Temecula is approximately 14 inches, as compiled by the Rancho California Water District.
The quality of air in Temecula Valley is consistently better than that of surrounding counties. Ocean breezes flow through the valley almost every day, sweeping away smog. In the summer, you might typically feel the gentle Pacific winds that help keep temperatures lower than what you would find in some of the surrounding area.
Current Weather in Temecula: