San Diego, December 9, 2025
San Diego County is currently experiencing warmer and drier conditions than usual for this time of year, with temperatures 10-15 degrees above normal. This weather pattern is influenced by weak to moderate Santa Ana winds, which are expected to persist through the week. Residents are cautioned to take precautions due to the increased risk of wildfires and the potential impact on local agriculture. Clear skies are forecasted along with gusty winds in certain areas.
San Diego County Experiences Unseasonably Warm and Dry Weather
San Diego, CA – San Diego County is experiencing unseasonably warm and dry conditions this week, with temperatures expected to be 10-15 degrees above normal for early December. This warm spell is accompanied by weak to moderate Santa Ana winds, which are anticipated to continue through Friday, December 12, 2025.
Weather Forecast
According to the National Weather Service, the warm and dry conditions are expected to persist throughout the week, with the peak of the heat anticipated mid-week. Mostly clear skies will prevail from Monday afternoon through the middle of the week due to periods of weak to moderate Santa Ana winds. The strongest winds will remain confined to coastal mountain slopes, foothills, and below passes, with gusts from 25 to 45 mph expected Tuesday. A secondary peak in winds is expected on Friday, forecasters said.
Implications
The warm temperatures and dry conditions may increase the risk of wildfires in the region. Residents are advised to exercise caution with outdoor activities and adhere to local fire safety guidelines. Additionally, the warm weather may impact local agriculture, particularly in areas sensitive to temperature fluctuations.
Background
San Diego typically experiences cooler temperatures and increased rainfall during December. The current conditions are a result of weak to moderate Santa Ana winds, which are known to bring warm and dry air from the inland areas to the coastal regions. These winds are expected to continue through Friday, contributing to the unseasonably warm and dry weather.
Safety Recommendations
- Stay Hydrated: Ensure adequate water intake to prevent dehydration.
- Avoid Overexertion: Limit strenuous outdoor activities during peak heat hours.
- Fire Safety: Follow local fire safety guidelines and avoid activities that could spark fires.
- Monitor Local Updates: Stay informed through local news and official channels for any weather advisories or warnings.
Conclusion
San Diego County is experiencing unseasonably warm and dry weather this week, with temperatures significantly above the December average. Residents are advised to take necessary precautions to stay safe during this period of elevated temperatures and dry conditions.
Frequently Asked Questions (FAQ)
What is causing the unseasonably warm and dry weather in San Diego County?
The warm and dry conditions are due to weak to moderate Santa Ana winds bringing warm and dry air from inland areas to the coastal regions. These winds are expected to continue through Friday, contributing to the unseasonably warm and dry weather.
How long will the warm and dry conditions last?
The warm and dry conditions are expected to persist throughout the week, with the peak of the heat anticipated mid-week. The Santa Ana winds are expected to continue through Friday, December 12, 2025.
What precautions should residents take during this period?
Residents are advised to stay hydrated, avoid overexertion during peak heat hours, follow local fire safety guidelines, and stay informed through local news and official channels for any weather advisories or warnings.
Key Features of the Current Weather Conditions
| Feature | Details |
|---|---|
| Temperature | 10-15 degrees above normal for early December |
| Wind Conditions | Weak to moderate Santa Ana winds with gusts up to 45 mph |
| Duration | Warm and dry conditions expected through Friday, December 12, 2025 |
| Implications | Increased risk of wildfires and potential impact on local agriculture |
Deeper Dive: News & Info About This Topic
HERE Resources
San Diego Secures 21st Place in WalletHub’s Most Fun Cities Ranking
San Diego Named 21st Most Fun City in the U.S.
Fatal Multi-Vehicle Crash Involving Big Rig on I-805
Los Angeles Faces Unseasonably Warm December Weather
San Diego Wave FC Secures Second World Sevens Championship
San Diego’s Vibrant Events and Developments This December
San Diego Wave FC Claims Victory in World Sevens Championship
San Diego Wave FC Triumphs in World Sevens Football Championship
Recent Tragedies Disturb Southern California Communities
San Diego Businesses Thrive Amid World Sevens Football Championship
Author: STAFF HERE SAN DIEGO WRITER
The SAN DIEGO STAFF WRITER represents the experienced team at HERESanDiego.com, your go-to source for actionable local news and information in San Diego, San Diego County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Comic-Con International, San Diego County Fair, and San Diego Pride Festival. Our coverage extends to key organizations like the San Diego Regional Chamber of Commerce and United Way of San Diego County, plus leading businesses in biotechnology, healthcare, and technology that power the local economy such as Qualcomm, Illumina, and Scripps Health. As part of the broader HERE network, including HEREAnaheim.com, HEREBeverlyHills.com, HERECostaMesa.com, HERECoronado.com, HEREHollywood.com, HEREHuntingtonBeach.com, HERELongBeach.com, HERELosAngeles.com, HEREMissionViejo.com, and HERESantaAna.com, we provide comprehensive, credible insights into California's dynamic landscape.
