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Temecula (CA) Weather and Climate: A Comprehensive Guide

Temecula experiences great temperature shifts. The city's weather can transition from very warm days to pleasant weather. It maintains relatively low levels of precipitation throughout the seasons. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

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 in August to a pleasant 19°C in December.

Nighttime temperatures can drop, with average lows reaching 5°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Temecula has a relatively dry climate with low precipitation, averaging 274 mm 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 of precipitation. This rainfall is distributed across 8 rainy days.

In contrast, the driest month, June, experiences much less rainfall, totaling 0.3 mm 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

Sunshine over the year

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

Data from: Corona, the United States of America (57 KM, 35 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (57 KM, 35 Miles).

Forecast for Temecula (CA)

Mon   Dec 30
21°C | 3°C
SW 2 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 31
23°C | 2°C
SW 2 m/s
partly cloudy and no rain

partly cloudy and no rain

Wed   Jan 01
24°C | 3°C
NE 2 m/s
almost clear and no rain

almost clear and no rain

The best time of year to visit Temecula in the United States of America

During the months of January, February, March, April, May and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Temecula?
    August has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Temecula?
    The coldest month is December with an average maximum temperature of 19°C.
  • Which is the wettest month in Temecula?
    December tops the wettest month list with 70 mm of rainfall.
  • Which is the driest month in Temecula?
    June is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Temecula?
    July is the sunniest month with an average of 369 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.