Temecula (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Temecula.
Climate overview of Temecula
Temperatures in Temecula, California, United States of America, vary greatly throughout the year. August is the hottest month at 34°C (93°F), while December is the coldest at 19°C (66°F).
The city has a relatively dry climate, receiving around 274 mm (11 in) of rainfall per year. It does experience a distinct dry season from March to November. December is the wettest month and June the driest. July is the sunniest month, averaging 12.3 hours of sunshine per day.
Temecula Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Temecula — and find the best time to visit.
Monthly Temperature in Temecula
The climate in Temecula is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 34°C (93°F) in August to a pleasant 19°C (66°F) in December.
Nighttime temperatures range from 17°C (63°F) in August to 5°C (41°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Temecula
Temecula has a relatively dry climate with low precipitation, averaging 274 mm (11 in) of rainfall annually. The seasons in Temecula bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 70 mm (2.8 in) of precipitation. This rainfall is distributed across 8 rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 0.3 mm (0.01 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Temecula Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Temecula
In Temecula, summer days are longer and more sunny, with daily sunshine hours peaking at 12.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 6.6 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Temecula
Frequently asked questions about the climate in Temecula
What is the best time to visit Temecula?
January, February, March, April, May, October and November typically offer the most optimal weather in Temecula. In contrast, August tends to have less optimal conditions. Temecula has a distinct dry season from March to November.
What temperatures can I expect in Temecula?
Daytime highs range from 19°C (66°F) in December to 34°C (93°F) in August. Nighttime lows range from 5°C (41°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Temecula get?
Annual rainfall is around 274 mm (11 in). December is the wettest month with 70 mm (2.8 in), while June is the driest with 0.3 mm (0.01 in).
How sunny is Temecula?
Temecula receives around 3,279 hours of sunshine per year. July is the sunniest month with 369 hours, while January is the cloudiest with just 198 hours. Overall, Temecula enjoys abundant sunshine.
Temecula 3-Day Forecast
Temecula (CA) 3-Day Forecast
Temecula on the map
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