Last updated: February 24, 2025
March in Santa Barbara showcases a delightful transition from winter to spring, with maximum temperatures reaching 25°C (77°F) and a comfortable average of 12°C (55°F). While the minimum temperature dips to 3°C (37°F) during the cooler nights, residents and visitors alike can enjoy the warmth of the day. However, the month also brings 88 mm (3.5 in) of precipitation over 9 days, contributing to the lush landscapes of the area. With an average humidity level of 75%, the air is fresh and invigorating, making it a perfect time to explore the beautiful outdoors in this coastal paradise.
In March, Santa Barbara experiences a pleasant transition towards spring, with temperatures gradually warming up. The minimum temperature rests at a cool 3°C (37°F) while the average hovers around a mild 12°C (55°F), making it a comfortable time for outdoor activities. The maximum temperature peaks at 25°C (77°F), which is a delightful reprieve from the winter chill. As the month unfolds, the city showcases a steady pattern of warmth, setting the stage for the subsequent rise in temperatures heading into April and May. Visitors can expect a vibrant atmosphere with blooming flowers and welcoming weather that encourages exploration.
In March, Santa Barbara experiences a notable increase in precipitation, capturing 88 mm (3.5 in) over 9 days of rain. This marks a slight dip from the preceding months, where January and February saw higher totals of 93 mm and 81 mm respectively. The gradual decline in rainfall as the city transitions into spring suggests a shift towards drier months ahead, particularly as April follows with a sharp decrease to just 21 mm (0.8 in). The consistent pattern of alternating wetter and drier months highlights the region's seasonal variations, making March a pivotal point in Santa Barbara's annual precipitation cycle.
In March, humidity levels in Santa Barbara typically hover around 75%, marking a slight decrease from the more humid months of winter. As the region transitions from the cooler, wetter winter months, humidity begins to dip, reflecting a gradual shift towards the drier conditions of spring and summer. This trend continues in April, where humidity further declines to 68%, and drops significantly to 57% by May. The end of winter ushers in a refreshing lightness to the air, setting the stage for the warm, dry days ahead, as the coastal climate transforms into an inviting atmosphere that many look forward to during the California spring.
As March rolls into Santa Barbara, residents and visitors alike should brace for an increase in sun intensity, marked by a UV Index of 8—a jump from February's 6. This shift indicates a shift to the very high exposure category, meaning that the time one can safely enjoy the sun without sunburn has dramatically decreased to just 15 minutes. This trend of intensifying UV levels continues into April, reaching an even higher index of 10. As spring approaches, it's crucial to stay informed and protected, particularly with the potential for extreme levels in the months ahead. For more details and ongoing updates, check the Santa Barbara UV Index.
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March unveils a delightful burst of sunshine in Santa Barbara, with 287 hours of radiant light gracing the city. Following the steady increase from January's 186 hours and February's 233 hours, March marks a significant leap toward brighter days ahead. As spring takes hold, the hours of sunshine continue to rise, paving the way for even sunnier months, notably April and May, which boast 328 and 367 hours, respectively. This upward trend not only enhances the beauty of Santa Barbara’s landscapes but also invites locals and visitors alike to revel in the outdoors, making each moment under the sun a cherished experience. With summer on the horizon, March serves as a vibrant reminder of the joyful warmth yet to come in this coastal paradise.
March in Santa Barbara ushers in a promising 73% chance of sunny weather, marking a delightful transition from the snug warmth of winter into the vibrant embrace of spring. As the days grow longer and temperatures begin to rise, the likelihood of sunshine steadily increases, with March sitting comfortably between February's 72% and April's 75%. This upward trend continues into May and beyond, where the sun seems to shine even more brightly. With such a high probability of clear skies, March is an ideal time for outdoor adventures, allowing residents and visitors alike to bask in the beauty of this coastal gem.
As March unfolds in Santa Barbara, daylight begins to stretch its wings, offering 11 hours of sunlight—an increase that marks the transition towards spring. Following two months of consistent 10 hours of daylight, this change not only brightens the landscape but also invites residents and visitors alike to embrace outdoor activities. The gradual increase in daylight continues into April, and by the time May rolls around, 13 hours of sunshine beckons, indicating the vibrant energy of the approaching summer. This progressive lengthening of days highlights a delightful trend that enhances the region's warm and inviting atmosphere, promising longer evenings perfect for enjoying the beach or a sunset stroll.
As March unfolds in Santa Barbara, the average wind speed hovers around 3.2 m/s (7 mph), a slight dip from February's 3.4 m/s (8 mph) but maintaining a gentle breeze that complements the crisp coastal air. This month serves as a transition, bridging the relatively calm winds of winter with the slightly breezier conditions awaiting in April, which sees a rise to 3.6 m/s (8 mph). Notably, the trend shows a gradual decrease in wind speed as summer approaches, with July and August dipping to 2.3 m/s (5 mph). March, therefore, stands out as an inviting period; its mild winds not only enhance Santa Barbara's picturesque atmosphere but also signal the arrival of spring's warmth, creating a perfect backdrop for outdoor enjoyment and exploration.
The weather in Santa Barbara changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Santa Barbara and find detailed weather information for every month.
When comparing the weather in March to that of January, both months exhibit similar minimum temperatures, averaging around 3°C (37°F). However, March tends to have a higher maximum temperature of 25°C (77°F) compared to January’s 27°C (81°F), despite January having slightly cooler average temperatures at 12°C (54°F). Precipitation levels are also quite close, with March experiencing 88 mm (3.5 in) over 9 days, while January has 93 mm (3.7 in) but over just 6 days, indicating that January may be slightly wetter but over fewer days. Additionally, humidity levels are a bit higher in January at 78% compared to March’s 75%. For more specific details on January’s weather, check out Santa Barbara weather in January.
In comparing the weather in March and February, we see that both months share similar temperature ranges, with February having a slightly lower minimum temperature of 2°C (36°F) compared to March's 3°C (37°F). Both months exhibit the same maximum temperature of 25°C (78°F), but March tends to be wetter, receiving 88 mm (3.5 in) of precipitation over 9 days, while February experiences less rain at 81 mm (3.2 in) over just 6 days. Additionally, humidity is slightly higher in February at 82% compared to March's 75%. For a more detailed look at February's climate, you can visit Santa Barbara weather in February.
March and April exhibit noticeable differences in weather patterns. In March, temperatures range from a minimum of 3°C (37°F) to a maximum of 25°C (77°F), with an average temperature of 12°C (55°F). This month sees 88 mm (3.5 in) of precipitation over 9 days, contributing to a humidity level of 75%. In contrast, April experiences milder conditions, with a minimum temperature of 6°C (42°F) and a maximum of 30°C (86°F), resulting in an average temperature of 15°C (60°F). Precipitation drops significantly to just 21 mm (0.8 in) over 2 days, and humidity decreases to 68%. For a closer look at the specific weather trends in April, you can visit Santa Barbara weather in April.
March and May present distinct contrasts in weather conditions. In March, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant average of 12°C (55°F), peaking at 25°C (77°F). This month is characterized by considerable rainfall, with 88 mm (3.5 in) spread over 9 days and a high humidity of 75%. In contrast, May brings warmer temperatures, with minimums at 7°C (45°F) and an average of 16°C (62°F), reaching a maximum of 29°C (85°F). Precipitation drops significantly to just 12 mm (0.5 in) over 2 days, accompanied by lower humidity levels at 57%. For more specific insights on weather patterns, check out Santa Barbara weather in May.
March and June present quite a contrast in weather. In March, temperatures range from a chilly 3°C (37°F) at night to a comfortable 25°C (77°F) during the day, with an average of 12°C (55°F). The month sees a fair amount of rain, totaling 88 mm (3.5 in) over approximately 9 days, and the humidity remains relatively high at 75%. In contrast, June offers a significant warm-up, with minimum temperatures around 10°C (51°F) and maximums reaching as high as 33°C (91°F), averaging 19°C (67°F). The precipitation drastically decreases to just 4 mm (0.1 in) over only 1 day, and the humidity drops to a more comfortable 52%. For more details on what to expect, check out Santa Barbara weather in June.
March and July present contrasting weather patterns. In March, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (55°F). The month is relatively wet, experiencing around 88 mm (3.5 in) of precipitation over nine days and maintaining a high humidity of 75%. In stark contrast, July boasts a much warmer climate, with temperatures soaring from a minimum of 14°C (57°F) to a maximum of 36°C (97°F) and a comfortable average of 22°C (72°F). Remarkably, July sees negligible precipitation, with only 2 mm (0.1 in) across zero rainy days and a much lower humidity level of 46%. These differences make March a transitionary month with cool, damp weather, while July offers a dry, hot atmosphere ideal for summertime activities. For more details on July weather, check out Santa Barbara weather in July.
March and August present contrasting weather patterns. In March, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (55°F). The month is quite rainy, experiencing about 88 mm (3.5 in) of precipitation over nine days, accompanied by a humidity level of 75%. In stark contrast, August boasts much warmer temperatures, with a minimum of 14°C (58°F) and a maximum reaching 33°C (92°F), averaging around 22°C (72°F). Additionally, August is far drier, with only 2 mm (0.1 in) of precipitation and no rainy days, and the humidity drops significantly to 39%. For more detailed information, you can visit Santa Barbara weather in August.
March weather is characterized by cooler temperatures, with a minimum of 3°C (37°F) and an average of 12°C (55°F). The month can be quite wet, receiving approximately 88 mm (3.5 in) of precipitation over about 9 days, resulting in a higher humidity level of 75%. In contrast, September boasts warmer conditions, with minimum temperatures starting at 9°C (48°F) and average highs reaching 21°C (70°F), peaking at 36°C (97°F). This month experiences minimal rainfall, averaging only 2 mm (0.1 in) and typically seeing no rainy days, leading to significantly lower humidity at 48%. For further insights on seasonal weather, you can visit Santa Barbara weather in September.
March and October exhibit notable differences in weather patterns, reflecting the transition from winter to spring and the onset of fall, respectively. In March, temperatures range from a minimum of 3°C (37°F) to an average of 12°C (55°F), peaking at 25°C (77°F). This month sees significant rainfall, with 88 mm (3.5 in) of precipitation over approximately 9 days, contributing to a high humidity level of 75%. In contrast, October enjoys milder temperatures, with a minimum of 7°C (45°F) and an average of 18°C (65°F), reaching up to 33°C (92°F) on warmer days. This month is remarkably dry, with only 10 mm (0.4 in) of precipitation and no rainy days, resulting in lower humidity levels of 59%. For more detailed insights, you can check Santa Barbara weather in October.
March and November in Santa Barbara exhibit notable differences in weather patterns. While both months have a minimum temperature around 3°C (37°F), March sees a wider temperature range with an average of 12°C (55°F) and a maximum of 25°C (77°F). In contrast, November has a slightly warmer average of 15°C (60°F) and reaches a maximum of 28°C (83°F). Precipitation levels also vary significantly; March experiences 88 mm (3.5 in) of rain over about 9 days, whereas November is much drier with only 23 mm (0.9 in) of rain over just 1 day. Humidity remains fairly similar, hovering around 75% in March and 72% in November. For more details, you can check the Santa Barbara weather in November.
In comparing the weather of March and December, both months share a similar temperature range, with minimum temperatures around 3°C (37°F), average temperatures close to 12°C (55°F), and maximum temperatures slightly varying—25°C (77°F) in March and 24°C (75°F) in December. However, March tends to be wetter, boasting 88 mm (3.5 in) of precipitation over 9 days, compared to December's 62 mm (2.5 in) across just 6 days. Humidity levels are comparable, hovering around 75% for March and 76% for December, making both months feel similarly moist. Overall, March is characterized by more rainfall, while December offers a slightly drier climate. For more details on the December weather specifically, you can visit Santa Barbara weather in December.
As March settles in, Santa Barbara begins to embrace the transition from the cool winter months to the warmer spring days. With a notable increase in temperatures compared to February, residents enjoy a comfortable average of 12°C, while the maximum can reach a pleasant 25°C. However, the month is also characterized by higher humidity levels around 75% and a sprinkling of rain, resulting in approximately 88 mm of precipitation spread over 9 days. This unique blend of milder warmth and occasional showers makes March a delightful time for both locals and visitors to experience the beauty of Santa Barbara. For more insights into the region's weather patterns, explore Santa Barbara Climate.