Valley enjoys a mild Mediterranean climate with
year-round temperatures averaging in the mid 70’s.
Elevations range from 1,175 feet in the east to 2,600
feet on the west.
The weather is comparable to the Napa Valley, as
evidenced by a thriving wine
industry, with warm, dry days and cool evenings.
temperatures, which can average in the mid 80’s or the
mid 90’s during the day, are often cooled by afternoon
ocean breezes blowing into the valley through gaps in
the Santa Ana foothills to the west. Although separated
from the Pacific by the Santa Rosa range of mountains,
the Rainbow Gap funnels the mild beach climate into the
valley. Mild wintertime temperatures average in the
Yearly average rainfall in Temecula is approximately 14
inches, as compiled by the Rancho California Water
quality of air in the Temecula Valley is consistently
better than that of surrounding communities. Ocean
breezes flow through the Rainbow Gap almost every day,
sweeping away smog. In the summer, Pacific winds
yield temperatures up to 10 degrees lower than in towns
just a few miles away.
City of Temecula