Temecula weather The cooler months in Temecula are December and January, with average low temperatures ranging from 39°F to 44°F (4°C to 7°C). These months also see the majority of the city's annual precipitation, with an average of 2.6 inches (66 mm) of rainfall in December and 2.3 inches (58 mm) in January. Despite the cooler temperatures and higher rainfall, Temecula still experiences a significant amount of sunshine during these months, with an average of 65% and 68% of possible sunshine in December and January, respectively. Temecula's climate is also influenced by its location in the Inland Empire region of Southern California. The city is situated in a valley surrounded by hills and mountains, which can cause temperature inversions and foggy conditions, particularly during the winter months. However, these conditions typically burn off by mid-morning, giving way to clear skies and sunshine. The city's climate is also conducive to growing a variety of crops, including wine grapes, citrus fruits, and avocados. The Temecula Valley Wine Country is home to over 40 wineries and vineyards, which attract visitors from all over the world. The region's mild climate and long growing season make it ideal for producing a variety of wines, including Cabernet Sauvignon, Merlot, and Chardonnay. Temecula's climate also makes it an ideal location for outdoor events and festivals, such as the Temecula Valley Balloon and Wine Festival, the Temecula Valley International Film Festival, and the Temecula Valley Jazz Festival. These events attract thousands of visitors to the city each year, contributing to the local economy and showcasing the city's unique culture and character. In summary, Temecula's Mediterranean climate is characterized by warm to hot summers and cool winters, with minimal rainfall and an abundance of sunshine throughout the year. The city's climate is influenced by its location in the Inland Empire region of Southern California, and is conducive to growing a variety of crops and hosting outdoor events and festivals. Whether you're looking to enjoy the great outdoors, sample some of the region's finest wines, or simply soak up the sunshine, Temecula is the perfect destination. Temecula, California, is known for its mild Mediterranean climate with warm to hot summers and cool winters. The city experiences an average of 266 sunny days per year, making it an ideal destination for outdoor activities and events. Sunday Night Temecula's climate is also influenced by its location in the Inland Empire region of Southern California. The city is situated in a valley surrounded by hills and mountains, which can cause temperature inversions and foggy conditions, particularly during the winter months. However, these conditions typically burn off by mid-morning, giving way to clear skies and sunshine. The city's climate is also conducive to growing a variety of crops, including wine grapes, citrus fruits, and avocados. The Temecula Valley Wine Country is home to over 40 wineries and vineyards, which attract visitors from all over the world. The region's mild climate and long growing season make it ideal for producing a variety of wines, including Cabernet Sauvignon, Merlot, and Chardonnay. Temecula's climate also makes it an ideal location for outdoor events and festivals, such as the Temecula Valley Balloon and Wine Festival, the Temecula Valley International Film Festival, and the Temecula Valley Jazz Festival. These events attract thousands of visitors to the city each year, contributing to the local economy and showcasing the city's unique culture and character.