Weather in Santa Barbara March is characterized by mild temperatures and moderate precipitation, making it an ideal time to visit this stunning California city. The average high temperature in March is 17°C, while the low temperature stands at 9°C.
The Pacific Ocean has a significant influence on Santa Barbara’s climate, particularly during March. The ocean’s moderating effect helps maintain a consistent temperature throughout the year, with minimal fluctuations between summer and winter.
March Precipitation and Sunshine in Santa Barbara

March marks the final month of winter in Santa Barbara, California, bringing moderate temperatures and occasional rainfall. While it’s still a popular time to visit, the weather can be unpredictable, with some days experiencing light drizzle and others basking in sunshine. Understanding the average precipitation and sunshine patterns in March can help you plan your trip accordingly.
Average Amount of Rainfall in March
Santa Barbara experiences a Mediterranean climate, characterized by wet winters and dry summers. In March, the city receives on average 3.43 inches (87.3 mm) of rainfall, which is relatively moderate compared to the entire year. To put this into perspective, the annual average rainfall in Santa Barbara is around 20.2 inches (513.9 mm). This means that March accounts for around 17% of the city’s annual rainfall. The rainfall in March is often in the form of short, gentle showers, making it less likely to experience prolonged periods of rain.
Average Number of Sunny Hours in March
Despite the occasional rainfall, Santa Barbara enjoys an average of 284 sunny hours in March, which accounts for around 75% of the total possible sunshine. The city’s mild climate and coastal location contribute to its high sunshine hours, making it an attractive destination for tourists seeking warm weather. The sunshine in March is accompanied by average high temperatures ranging from 62°F (16.7°C) to 64°F (17.8°C), providing ideal conditions for outdoor activities like hiking, biking, or simply strolling along the beautiful beaches.
Top 5 Rainiest Days in Santa Barbara during March
While Santa Barbara experiences moderate rainfall in March, there are some days that stand out as particularly wet. Based on historical data, the top 5 rainiest days in Santa Barbara during March are:
- March 17: 1.24 inches (31.5 mm) of rainfall, often referred to as St. Patrick’s Day.
- March 2: 1.10 inches (27.94 mm) of rainfall, a day that marks the beginning of spring in the Northern Hemisphere.
- March 22: 0.98 inches (24.92 mm) of rainfall, a day that coincides with the vernal equinox.
- March 12: 0.93 inches (23.58 mm) of rainfall, a day that marks the beginning of the Spring season in the Northern Hemisphere.
- March 28: 0.86 inches (21.83 mm) of rainfall, a day that marks the end of March.
These rainiest days can be attributed to the city’s proximity to the Pacific Ocean and the associated weather patterns. However, even on the wettest days, the rain is often light and short-lived, making it still possible to enjoy outdoor activities in Santa Barbara during March.
Temperature Fluctuations and Daytime Conditions
In the month of March, Santa Barbara experiences a transition in temperature fluctuations, with daily high temperatures steadily increasing throughout the month. The coastal location of the city contributes significantly to this moderate temperature range, as the ocean has a stabilizing effect on temperature fluctuations.
Daily High and Low Temperatures in March
Santa Barbara’s daily high temperatures in March range between 17°C (63°F) and 22°C (72°F), while the nighttime lows can drop to as low as 9°C (48°F) and 13°C (56°F). This gradual warming trend is due to the increasing solar radiation and longer daylight hours. A temperature range of 4°C to 7°C (7°F to 13°F) is typical on a daily basis during this time. The table below provides a detailed breakdown of the temperature fluctuations in March:
| Day | High (°C) | Low (°C) |
|---|---|---|
| 1-15 | 17 | 9 |
| 16-31 | 22 | 13 |
Impact of Coastal Location on Temperature Fluctuations
The coastal location of Santa Barbara plays a significant role in moderating its temperature fluctuations. The ocean’s thermal mass helps regulate the temperature, keeping it relatively stable throughout the day. This is in stark contrast to inland areas, which experience more drastic temperature fluctuations due to the absence of the ocean’s moderating effect. On a typical day, the temperature difference between the coast and inland areas can be as high as 5°C to 10°C (9°F to 18°F).
Average Wind Speeds and Direction in March
During the month of March, Santa Barbara experiences moderate winds blowing from the west and southwest. These winds play a significant role in shaping the weather patterns in the area. On average, the wind speed ranges between 10 km/h (6 mph) and 25 km/h (16 mph), with occasional gusts reaching up to 40 km/h (25 mph). The prevailing wind direction is from the west, which brings cooler air masses from the Pacific Ocean.
The average wind speed and direction in March contribute to the formation of a temperature gradient between the coast and inland areas, resulting in a more stable climate.
Regional Comparison of Weather Patterns

March is a wonderful time to explore the Central and Southern California coast, with Santa Barbara, San Diego, and Los Angeles boasting their unique weather characteristics. These cities share a similar Mediterranean climate, characterized by mild, wet winters and hot, dry summers. However, slight variations in coastal influences and elevation lead to fascinating regional differences.
Weather Comparison Table, Weather in santa barbara march
| Location | High Temperature (°F/°C) | Low Precipitation (in) |
|---|---|---|
| Santa Barbara | 63°/17°C | 0.6 in / 1.5 cm |
| San Diego | 67°/19°C | 0.4 in / 1.0 cm |
| Los Angeles | 65°/18°C | 0.5 in / 1.3 cm |
| Santa Barbara (Mountainous Areas) | 55°/13°C | 1.2 in / 3.0 cm |
| San Diego (Mountainous Areas) | 60°/16°C | 0.8 in / 2.0 cm |
Weather-Related Activities in Santa Barbara
March is an ideal time for outdoor enthusiasts in Santa Barbara. Several events and activities take place during the month, showcasing the region’s natural beauty and outdoor recreational opportunities.
- Beach Volleyball Tournaments: The Santa Barbara Sports & Scholars Foundation hosts a series of beach volleyball tournaments at Leadbetter Beach and Sands Beach.
- Surf Competitions: Local surfers compete in the Santa Barbara Surf Competition, held at Le Barge Cafe.
- Hiking and Trails: Explore the scenic trails at Rattlesnake Canyon, Aliso Beach County Park, or the Santa Barbara County Trails.
- Outdoor Concerts: Enjoy live music performances at the Santa Barbara Bowl, set amidst beautiful gardens and rolling hills.
- Wine Tastings: Visit local wineries like Sanford Winery or Au Bon Climat Winery to sample some of the region’s renowned wines.
Benefits and Drawbacks of Visiting Santa Barbara in March
Visiting Santa Barbara in March has its pros and cons. The mild weather and fewer crowds make it an attractive time for tourists. However, some events and activities may not be available due to the late arrival of spring.
- Pros:
- Milder weather, with average highs in the mid-60s (°F), making outdoor activities enjoyable.
- Fewer tourists, resulting in easier access to popular attractions and lower accommodation rates.
- Cons:
- Some outdoor recreational activities and events might not be available or postponed due to cool temperatures.
- Hotel rates may still be relatively high, especially during peak weeks.
End of Discussion: Weather In Santa Barbara March

As a result, March is an excellent time to visit Santa Barbara, with pleasant weather conditions and plenty of sunshine. The city’s scenic beaches, lush parks, and outdoor recreational activities make it an ideal destination for nature lovers and adventure seekers.
FAQ Guide
Q: What is the average rainfall in Santa Barbara during March?
A: The average rainfall in Santa Barbara in March is around 70 mm, with an average of 12 rainy days throughout the month.
Q: Are there any significant weather events that occur in Santa Barbara during March?
A: Yes, Santa Barbara can experience spring rain showers, potential heatwaves, and cold fronts during March.
Q: How does the wind direction affect the weather in Santa Barbara?
A: The wind direction in Santa Barbara during March is generally moderate, ranging from 10 km/h to 25 km/h, with a slight easterly breeze.
Q: Can I visit Santa Barbara during March if I prefer warmer weather?
A: Yes, March is a great time to visit Santa Barbara for warmer weather, but be aware that it’s still a spring month, and temperatures can fluctuate.
Q: Are there any outdoor recreational activities I can do in Santa Barbara during March?
A: Yes, Santa Barbara offers a wide range of outdoor activities, including surfing, whale watching, and hiking, making it an ideal destination for nature enthusiasts.