March Weather in Santa Monica, United States

Last updated: February 24, 2025

March in Santa Monica ushers in a delightful transition to spring, with temperatures ranging from a charming average of 14°C (58°F) to a sunny high of 27°C (80°F). As the month unfolds, residents and visitors can expect occasional showers, accumulating about 71 mm (2.8 in) of rain over 8 days, which adds a refreshing touch to the beachside atmosphere. With humidity levels around 75%, the coastal air feels invigorating, making March an ideal time to explore Santa Monica’s scenic landscapes and vibrant culture.

March Temperature in Santa Monica

In March, Santa Monica experiences a subtle shift towards warmer days as winter wanes. With minimum temperatures gently rising to 6°C (43°F), the city welcomes an average of 14°C (58°F), creating a comfortable backdrop for outdoor activities. Although the maximum temperature reaches a pleasant 27°C (80°F), indicating the approach of spring, it remains slightly lower than the warmer months ahead. This gradual warming trend hints at the vibrant energy of the upcoming season, making March a delightful time to explore the coastal charm and beauty of Santa Monica. As the month unfolds, locals and visitors alike can enjoy the mild weather before the summer heat sets in.

March Weather in Santa Monica: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Santa Monica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565758626368727372686357
Data source: Temperature data for Santa Monica generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Santa Monica

In March, Santa Monica experiences a notable uptick in precipitation, with 71 mm (2.8 in) of rain falling over 8 days. This month typically marks the transition into spring, and the rainfall contributes significantly to the overall wet season, following January's 68 mm and February's 53 mm. The increase in precipitation is a refreshing change, especially as the region braces for drier months ahead—April sees a dramatic drop to just 15 mm (0.6 in). March's relatively higher rainfall not only supports local flora as they begin their growth cycle but also serves as a reminder of the region's diverse climate patterns, contrasting sharply with the almost rainless summer months that follow.

March Precipitation Trends in Santa Monica

The chart displays monthly precipitation patterns in Santa Monica, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec6853711510121271780
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Santa Monica

As March arrives in Santa Monica, the coastal city experiences a humidity level of 75%, marking a slight decline from the previous month’s higher 79% in February. This trend suggests a subtle shift towards drier conditions as spring approaches, echoing the gradual descent in humidity seen in the preceding months. Throughout March, residents can expect a comfortable maritime climate, setting the stage for the transitioning weather patterns that follow in April with 70% humidity. Overall, the humidity levels in Santa Monica exhibit a seasonal ebb and flow, with March acting as a bridge between the wetter winter months and the drier summer ahead.

March Average Humidity in Santa Monica

This chart illustrates the average monthly humidity levels in Santa Monica, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec74%79%75%71%70%72%73%69%68%67%68%71%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Santa Monica

March in Santa Monica marks a significant leap in UV exposure, with the UV Index soaring to 8, categorizing it as very high. This increase from February’s 6 indicates that residents and visitors should be more vigilant about sun protection, as the burn time sharply decreases to just 15 minutes. As the month progresses into spring, this trend continues toward the peak summer months, where UV levels not only sustain high ratings but escalate further, reaching extreme levels by June. With sunshine aplenty and the outdoor allure of Santa Monica, ensuring adequate sun protection is essential this time of year. For more information on ongoing UV trends, check Santa Monica UV Index.

Maximum UV Index Levels in Santa Monica for March

The chart shows the monthly maximum UV Index (UVI) for Santa Monica in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec46891011111010754
Data source: Santa Monica March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

March Sunshine in Santa Monica

As March unfolds in Santa Monica, the days grow longer and brighter, welcoming a delightful average of 281 hours of sunshine. This increase from February's 228 hours marks a clear shift towards sunnier climes, hinting at the warmth of spring just around the corner. Following March, the sunshine hours continue to rise, with April promising even more rays at 314 hours. The upward trend showcases Santa Monica's vibrant transition from winter's chill to the radiant embrace of spring, enticing locals and visitors alike to revel in the outdoors and soak up the sun's rejuvenating glow.

Monthly Sunshine Duration in Santa Monica: March Highlighted

The March sunshine duration represents the total number of hours Santa Monica experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec187h228h281h314h348h364h380h360h314h292h255h225h
Data source: Santa Monica March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Monica During March

In Santa Monica, March ushers in a delightful transition towards sunnier skies, boasting a 73% chance of sunny weather—the highest probability for this coastal city until the peak of summer. Following the early year’s gradual increase in sunshine, from 64% in January to 68% in February, March stands out as a vibrant month for outdoor activities, making it an ideal time for locals and visitors alike to soak up the sun. Interestingly, while April experiences a slight dip to 57%, the months that follow, particularly August and September, rebound to 73% and 76% respectively, reinforcing the trend of sunny days throughout the spring and summer seasons. Overall, March is a promising precursor to Santa Monica's sunny offerings ahead.

Percentage of Sunny Days in March in Santa Monica

The chart illustrates the percentage of sunny days in Santa Monica throughout the year, with March highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Santa Monica experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%58%56%67%69%73%76%70%67%51%
Data source: Santa Monica March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Monica in March

As March unfolds in Santa Monica, the length of daylight begins to extend, offering a delightful transition into spring. With 11 hours of sunlight, this month marks the start of brighter days after the steady 10 hours prevalent in January and February. This gradual increase becomes even more pronounced as April approaches, promising 13 hours of daylight, signaling the longer, sun-soaked afternoons to come. The trend not only reflects the changing seasons but also invites residents and visitors to embrace outdoor activities and the vibrant atmosphere of the coastline. As the days grow longer, Santa Monica becomes a canvas for enjoying the inviting warmth and beautiful sunsets that characterize the essence of spring.

Average Daylight Hours in Santa Monica for March

The chart illustrates the variation in daylight duration in Santa Monica throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 9m10h 58m11h 59m13h 3m13h 56m14h 22m14h 7m13h 20m12h 19m11h 17m10h 22m9h 54m
Data source: Santa Monica daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Santa Monica

As March rolls in, Santa Monica enjoys a gentle breeze, with average wind speeds hovering around 2.8 m/s (6 mph). This month sees a slight uptick from February's calm winds, a trend that is characteristic of early spring in this coastal paradise. Throughout the year, the wind speed remains relatively stable, typically oscillating between 2.2 m/s and 2.9 m/s. However, it's truly in March when one can feel the refreshing promise of warmer days ahead, briefly breaking the cooler, quieter rhythm of winter. The patterns of mild winds combined with the burgeoning beauty of blossoming flowers make this month an inviting time to experience the vibrant coastal scenery of Santa Monica.

Average March Wind Speed in Santa Monica

The chart displays monthly wind speed patterns in Santa Monica, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.62.8 m/s2.72.52.52.32.32.22.52.22.6
Data source: Santa Monica March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Santa Monica Compares to Other Months

The weather in Santa Monica 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 Monica and find detailed weather information for every month.

In comparing the weather between March and January, both months exhibit similar average temperatures, with January slightly cooler at an average of 14°C (57°F) compared to March's 14°C (58°F). However, March sees a wider temperature range with highs reaching up to 27°C (80°F), while January's maximum is 29°C (84°F). Precipitation is relatively close in both months, with March receiving slightly more at 71 mm (2.8 in) over 8 days, compared to January's 68 mm (2.7 in) over 4 days. Humidity levels are also quite similar, with March at 75% and January at 74%. For more detailed information, you can check Santa Monica weather in January.

When comparing the weather in March to that of February, we observe some interesting trends. March features a slightly warmer minimum temperature of 6°C (43°F) compared to February's 4°C (39°F), while both months have the same average temperature of 14°C (58°F). However, February boasts a higher maximum temperature of 28°C (83°F) compared to March's max of 27°C (80°F). In terms of precipitation, March experiences more rainfall at 71 mm (2.8 in) over 8 days, while February records 53 mm (2.1 in) over just 5 days. Humidity levels are also marginally lower in March at 75%, compared to 79% in February. For more details about February weather, you can check Santa Monica weather in February.

March and April weather shows a notable transition as spring unfolds. In March, temperatures range from a minimum of 6°C (43°F) to a maximum of 27°C (80°F), with an average of 14°C (58°F). This month also sees considerable precipitation, amounting to 71 mm (2.8 in) over 8 days, and humidity levels are relatively high at 75%. In contrast, April warms up, with minimum temperatures starting at 9°C (49°F) and peaking at 33°C (92°F), averaging around 17°C (62°F). The month is significantly drier, with only 15 mm (0.6 in) of precipitation recorded over just 2 days, and a slight decrease in humidity to 70%. For more detailed information, visit Santa Monica weather in April.

March weather tends to be quite variable, with temperatures ranging from a cool 6°C (43°F) at night to a warm 27°C (80°F) during the day, averaging around 14°C (58°F). This month sees about 71 mm (2.8 in) of precipitation over 8 days, accompanied by a relatively high humidity of 75%. In contrast, May brings more stable and warmer conditions, with minimum temperatures of 10°C (50°F) and maximums reaching up to 31°C (88°F), resulting in an average of 17°C (63°F). The month is much drier, featuring only 10 mm (0.4 in) of precipitation over just a single day and slightly lower humidity at 70%. For a deeper look into May conditions, check Santa Monica weather in May.

March and June present distinctly different weather patterns. In March, temperatures range from a minimum of 6°C (43°F) to a maximum of 27°C (80°F), with an average of 14°C (58°F). Precipitation is more frequent during this month, totaling 71 mm (2.8 in) over 8 days, and humidity hovers around 75%. In contrast, June shows a significant increase in temperature, with a minimum of 13°C (56°F) and a peak of 33°C (91°F), averaging 20°C (68°F). Remarkably, June experiences almost no rainfall, with only 1 mm (0.1 in) of precipitation recorded over zero days, and humidity slightly decreases to 72%. For a closer look at the specifics, check out the complete details on Santa Monica weather in June.

March and July present strikingly different weather patterns. In March, temperatures range from a chilly min of 6°C (43°F) to a comfortable max of 27°C (80°F), with an average of 14°C (58°F). The month sees 71 mm (2.8 in) of precipitation spread over 8 days, resulting in a humidity level of 75%. In contrast, July experiences warmer temperatures, with a minimum of 16°C (60°F), an average of 22°C (73°F), and a maximum soaring to 38°C (101°F). Notably, July has very little precipitation, with just 2 mm (0.1 in) and no rainy days, while humidity remains slightly lower at 73%. For more detailed information, you can check Santa Monica weather in July.

March typically experiences a broader range of temperatures, with minimums around 6°C (43°F) and maximums that can reach up to 27°C (80°F). In contrast, August is warmer, showing minimum temperatures of 16°C (61°F) and maximums peaking at 34°C (93°F). Rainfall is more prevalent in March, with approximately 71 mm (2.8 in) over about 8 days, while August is notably dry, receiving just 1 mm (0.0 in) with no rainy days. The humidity is slightly higher in March at 75%, compared to August's 69%. For more insights about August weather, you can visit Santa Monica weather in August.

March and September offer distinct weather experiences, showcasing the transition from the coolness of early spring to the warmth of late summer. In March, temperatures range from a minimum of 6°C (43°F) to a maximum of 27°C (80°F), with an average of 14°C (58°F). This month also sees considerable rainfall, with 71 mm (2.8 in) of precipitation occurring over about 8 days and humidity levels lingering around 75%. In contrast, September features significantly warmer temperatures, with minimums of 14°C (57°F) and maximums reaching a scorching 37°C (100°F), averaging 22°C (72°F). Remarkably, this month experiences minimal precipitation, with just 2 mm (0.1 in) and no rainy days, while humidity decreases slightly to 68%. For more information on September weather, check out Santa Monica weather in September.

March and October exhibit notable differences in weather patterns. March typically sees a temperature range from a minimum of 6°C (43°F) to a maximum of 27°C (80°F), with an average of 14°C (58°F). It is characterized by higher precipitation, averaging 71 mm (2.8 in) over approximately 8 days, alongside a humidity level of 75%. In contrast, October experiences warmer temperatures, with a minimum of 10°C (50°F), an average of 20°C (69°F), and a maximum reaching 37°C (99°F). Precipitation in October is significantly lower at just 7 mm (0.3 in), falling over only 1 day, and humidity drops to 67%. For more details on October weather, visit Santa Monica weather in October.

March and November offer contrasting weather experiences, despite having similar minimum temperatures. In March, the average temperature is around 14°C (58°F), with highs reaching 27°C (80°F) and significant rainfall totaling 71 mm (2.8 in) over 8 days, leading to a humid atmosphere at 75%. In contrast, November sees a slightly warmer average temperature of 17°C (63°F), with maximums rising to 32°C (89°F), but it boasts a much drier climate, with only 17 mm (0.7 in) of rain over a single day and lower humidity at 68%. For more details on the weather conditions, check out Santa Monica weather in November.

March and December share similar average temperatures, with both months experiencing an average of around 14°C (57°F), but the minimum temperatures differ slightly, 6°C (43°F) in March compared to 5°C (42°F) in December. However, March tends to be wetter, with a total precipitation of 71 mm (2.8 in) over 8 days, while December receives slightly more rain at 80 mm (3.1 in) but with only 5 rainy days. Humidity levels are also comparable, with March at 75% and December at 71%. For a detailed look at December weather, check out Santa Monica weather in December.

Compare Santa Monica's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Santa Monica

As March arrives in Santa Monica, it signals a shift from the cooler winter months to a more temperate spring. With temperatures gradually rising, residents enjoy a pleasant blend of warmth and refreshing coastal breezes. March often brings more rain compared to the preceding months, making it one of the wetter times of the year, though still mild overall. The humidity levels remain relatively high, contributing to a cozy atmosphere as nature begins to bloom. Those looking for more detailed insights can explore the comprehensive yearly patterns at Santa Monica Climate.