March Weather in Longboat Key, United States

Last updated: February 24, 2025

In March, Longboat Key, United States, experiences a delightful spring climate characterized by a maximum temperature of 26°C (79°F) and an average of 20°C (68°F), providing ideal conditions for outdoor activities. Although the month sees a minimum temperature dipping to 8°C (47°F), the overall warmth is complemented by a relatively high humidity level of 79%. Rainfall is modest, with just 22 mm (0.9 in) expected over about 3 days, allowing for plenty of sunshine and pleasant breezes to enhance the coastal charm of this stunning location.

March Temperature in Longboat Key

In March, Longboat Key begins to shake off the chill of winter, offering a delightful transition toward warmer days. With minimum temperatures around 8°C (47°F), the month welcomes an average of 20°C (68°F) and peaks with maximums reaching 26°C (79°F). This upward trend from the cooler winter months reflects a significant shift, as temperatures rise from February’s averages, paving the way for the soon-to-arrive warmth of spring. As the days lengthen and the sun shines brighter, March serves as a promising precursor to the balmy conditions of April and May, making it an ideal time for visitors to experience the charm of Longboat Key.

March Weather in Longboat Key: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Longboat Key, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec636668737781828281797166
Data source: Temperature data for Longboat Key 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 Longboat Key

In March, Longboat Key experiences a notable dip in precipitation, with only 22 mm (0.9 in) of rain over just 3 days. This marks a significant decrease from the previous months, where January and February each recorded higher amounts of rainfall at 38 mm and 44 mm, respectively. As winter transitions into spring, the milder weather and reduced precipitation set the stage for the upcoming wetter months, particularly with April ramping up to 55 mm. This trend underscores March as a brief interlude before the more saturated conditions of late spring and summer, making it an ideal time for outdoor activities without the typical rain interruptions.

March Precipitation Trends in Longboat Key

The chart displays monthly precipitation patterns in Longboat Key, 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.
JanFebMarAprMayJunJulAugSepOctNovDec38442255101168180208152674764
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Longboat Key

As March rolls in, Longboat Key experiences a slight dip in humidity, dropping to 79% from the consistent 82% seen in the earlier months of the year. This trend indicates the onset of drier conditions as spring approaches, with April continuing this gradual decrease to 78%. Following this pattern, the humidity levels further decline into the summer months, ultimately reaching their lowest point of 74% in both July and August. The shift in humidity not only marks the transition to warmer weather but also sets the stage for the balmy, relaxed atmosphere that characterizes this coastal paradise, inviting both locals and visitors to savor the beautiful, comfortable days ahead.

March Average Humidity in Longboat Key

This chart illustrates the average monthly humidity levels in Longboat Key, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%79%78%76%75%74%75%78%80%82%84%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Longboat Key

As March rolls into Longboat Key, residents and visitors alike should be prepared for a noticeable increase in UV exposure, with the UV Index peaking at 10, categorizing it as very high. This is a significant jump from January's UV Index of 6 and February's 8, reflecting the changing seasons and the intensifying sunlight. With a burn time of just 15 minutes, it's crucial to take protective measures early in the month, particularly as we transition to April when the index escalates to 11 and reaches extreme levels. This trend emphasizes the importance of sun safety during these spring months, highlighting how quickly conditions can shift. For more detailed information on UV exposure in this coastal paradise, explore the Longboat Key UV Index.

Maximum UV Index Levels in Longboat Key for March

The chart shows the monthly maximum UV Index (UVI) for Longboat Key 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.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121111975
Data source: Longboat Key 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 Longboat Key

As spring unfolds, Longboat Key basks in the radiant glow of March sunshine, boasting an impressive 321 hours of sunlight. This marks a delightful increase from the 265 hours in February, clearly signaling the arrival of warmer days. Not only does March present an exhilarating jump in sunny hours, but it also sets the tone for the sun-drenched months ahead, with April and May maintaining high counts of 319 and 335 hours, respectively. The consistent upward trend from the winter months hints at the region's appeal, inviting residents and visitors alike to savor the natural beauty under the ever-brightening sky.

Monthly Sunshine Duration in Longboat Key: March Highlighted

The March sunshine duration represents the total number of hours Longboat Key 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.
JanFebMarAprMayJunJulAugSepOctNovDec216h265h321h319h335h303h319h316h311h300h279h269h
Data source: Longboat Key March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longboat Key During March

As March rolls into Longboat Key, residents and visitors can look forward to a promising 56% chance of sunny weather, making it one of the more favored months for sunshine. Following a gradual increase from January’s 39%, February’s 52%, and leading into the brighter days of April, which boasts a 65% chance, March clearly signals a transition into spring. This upward trend in sunlight continues to retreat from the gloomy summer months ahead, where the chances dip significantly to as low as 18% in August. Overall, March emerges as a delightful time to enjoy the outdoors, basking in the warmth before the heat of summer takes over.

Percentage of Sunny Days in March in Longboat Key

The chart illustrates the percentage of sunny days in Longboat Key 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 Longboat Key experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%52%56%65%60%19%24%18%33%51%55%59%
Data source: Longboat Key March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longboat Key in March

As March arrives in Longboat Key, the days begin to stretch, bringing a refreshing sense of change. With an average of 12 hours of daylight, March marks a transitional month, where the sun's radiant presence starts to reclaim the sky after the shorter days of winter. This increase in daylight not only enhances outdoor activities but also uplifts the spirits of locals and visitors alike. Following the trend, April maintains this growth, holding steady at 12 hours, while May ushers in even longer days of 13 hours, signaling a vibrant spring in full swing. The gradual progression from 10 hours in January to a peak of 13 hours by late spring showcases Longboat Key's delightful leap toward the warmth and vitality of summer, inviting everyone to bask in the sunshine.

Average Daylight Hours in Longboat Key for March

The chart illustrates the variation in daylight duration in Longboat Key throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 37m11h 13m12h12h 49m13h 30m13h 49m13h 39m13h 3m12h 16m11h 28m10h 46m10h 25m
Data source: Longboat Key daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Longboat Key

In Longboat Key, March brings a refreshing consistency in wind conditions, with an average wind speed of 4.8 m/s (11 mph), echoing January's breezy charm. Following a slight uptick in February, the wind gently tapers off in both April and May, maintaining an overall approachable average suited for outdoor enthusiasts. The trend showcases a gradual decline heading into summer, with July and August experiencing their calmest days, where the average dips to 3.8 m/s (8 mph) and 4.1 m/s (9 mph), respectively. As the year progresses into autumn, wind speeds begin to show a rebound in November, aligning once more with that reliable March breeze. This stability in March's windiness makes it an ideal time for beachside activities or sailing ventures, as the mild breeze dances along the stunning coastlines of Longboat Key.

Average March Wind Speed in Longboat Key

The chart displays monthly wind speed patterns in Longboat Key, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.85.34.8 m/s5.04.94.13.84.13.34.65.03.5
Data source: Longboat Key March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Longboat Key Compares to Other Months

The weather in Longboat Key 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 Longboat Key and find detailed weather information for every month.

March and January present a pleasant contrast in weather patterns. March typically enjoys warmer temperatures, with a minimum of 8°C (47°F) and an average of 20°C (68°F), while January is cooler, featuring a minimum of 3°C (38°F) and an average of 17°C (63°F). Precipitation is slightly less in March, totaling 22 mm (0.9 in) over about 3 days compared to January’s 38 mm (1.5 in) over 4 days. Humidity remains relatively comparable, with March at 79% and January slightly higher at 82%. For a detailed look at January conditions, you can visit Longboat Key weather in January.

Comparing the weather of March and February reveals some notable differences. In March, temperatures range from a minimum of 8°C (47°F) to an average of 20°C (68°F) and a maximum of 26°C (79°F). This month sees less precipitation, with only 22 mm (0.9 in) over just 3 days, and a humidity level of 79%. In contrast, February experiences slightly higher temperatures, with a minimum of 9°C (49°F), an average of 19°C (66°F), and a maximum of 25°C (78°F). February also has more significant rainfall at 44 mm (1.7 in) spread over 5 days and a slightly higher humidity of 82%. For a detailed look at February weather patterns, you can check out Longboat Key weather in February.

March and April showcase a transition in weather patterns, with April generally becoming warmer and wetter. In March, temperatures range from a minimum of 8°C (47°F) to a maximum of 26°C (79°F), accompanied by moderate humidity at 79% and only 22 mm (0.9 in) of precipitation over 3 days. In contrast, April experiences a rise in both low and high temperatures, ranging from 13°C (55°F) to 28°C (82°F), while humidity remains relatively consistent at 78%. However, April sees increased rainfall, with 55 mm (2.2 in) spread over 6 days. For more detailed information about the weather, you can check Longboat Key weather in April.

March and May present notably different weather characteristics. In March, temperatures range from a mild minimum of 8°C (47°F) to a comfortable average of 20°C (68°F), peaking at a warm 26°C (79°F). The month experiences relatively low precipitation, with only 22 mm (0.9 in) over 3 days, and humidity levels are higher at 79%.

In contrast, May brings significantly warmer conditions, with minimum temperatures starting at 18°C (65°F) and climbing to an average of 25°C (77°F), ultimately reaching a maximum of 30°C (87°F). However, it is also a wetter month, receiving 101 mm (4.0 in) of rain over 10 days, while humidity slightly decreases to 76%. For more detailed weather information, you can visit Longboat Key weather in May.

In March, the weather is noticeably cooler with average temperatures ranging from a minimum of 8°C (47°F) to a pleasant maximum of 26°C (79°F). The month experiences relatively low precipitation, with only 22 mm (0.9 in) falling over about 3 days and humidity levels hovering around 79%. In contrast, June brings significantly warmer conditions, with minimum temperatures of 24°C (75°F) and maximums reaching 31°C (89°F). However, June also sees a substantial increase in rainfall, totaling 168 mm (6.6 in) over 19 days, accompanied by slightly lower humidity at 75%. For more details on June weather, you can visit Longboat Key weather in June.

March and July present distinct weather contrasts. In March, temperatures range from a mild minimum of 8°C (47°F) to a pleasant average of 20°C (68°F), peaking at a comfortable 26°C (79°F). The month experiences only 22 mm (0.9 in) of precipitation over three days, accompanied by a relatively high humidity of 79%. In contrast, July brings significantly warmer conditions, with temperatures starting at a minimum of 25°C (77°F), averaging 28°C (82°F), and reaching up to 32°C (89°F). However, July is marked by notably higher precipitation, totaling 180 mm (7.1 in) across 24 days, and a humidity level that slightly decreases to 74%. For more details, visit Longboat Key weather in July.

March weather in Longboat Key is characterized by a comfortable temperature range, with minimums around 8°C (47°F) and maximums reaching up to 26°C (79°F). The average temperature is a pleasant 20°C (68°F), accompanied by relatively low precipitation of 22 mm (0.9 in) spread over just three days, resulting in a humidity level of 79%.

In contrast, August brings significantly warmer temperatures, with minimums around 25°C (77°F) and maximums peaking at 32°C (90°F). The average temperature rises to 28°C (83°F), but the month is marked by heavier rainfall, with 208 mm (8.2 in) of precipitation occurring over 25 days, contributing to a slightly lower humidity of 74%. For more information on weather during this month, check out Longboat Key weather in August.

March and September present notably different weather patterns. In March, temperatures range from a mild minimum of 8°C (47°F) to a comfortable average of 20°C (68°F), with maximums reaching up to 26°C (79°F). The month typically experiences limited precipitation, averaging just 22 mm (0.9 in) over about three days, along with a humidity level of 79% that offers a pleasant atmosphere. In contrast, September features much warmer conditions, with minimum temperatures starting at 24°C (75°F), an average of 27°C (82°F), and maximums climbing to 32°C (90°F). This month also sees significantly more rainfall, totaling 152 mm (6.0 in) across approximately 18 days, while the humidity remains slightly lower at 78%. For a deeper dive into September's weather specifics, you can check Longboat Key weather in September.

March and October in Longboat Key showcase distinct weather patterns. In March, temperatures range from a minimum of 8°C (47°F) to a maximum of 26°C (79°F), with an average of 20°C (68°F), offering pleasant conditions with relatively low precipitation of 22 mm (0.9 in) over just three days. In contrast, October experiences warmer temperatures, with a minimum of 15°C (60°F) and a maximum reaching 31°C (87°F), averaging around 26°C (79°F). However, October also brings more rain, accumulating 67 mm (2.7 in) across approximately ten days. Despite the increased rainfall in October, both months maintain a humidity level of 79%. For more information on October weather specifics, check out Longboat Key weather in October.

March and November present contrasting weather patterns. In March, temperatures range from a minimum of 8°C (47°F) to a maximum of 26°C (79°F), with an average of 20°C (68°F). This month experiences less precipitation, totaling 22 mm (0.9 in) over approximately three days, while humidity sits at 79%. In comparison, November sees slightly warmer conditions, with minimum temperatures of 12°C (55°F) and maximums reaching 28°C (82°F), averaging 22°C (71°F). However, it also brings more rainfall, accumulating 47 mm (1.8 in) over six days, accompanied by a humidity level of 82%. For a detailed look at the weather during this time, check out Longboat Key weather in November.

When comparing the weather in March and December, both months exhibit mild temperatures, with March showing an average high of 26°C (79°F) compared to December's 25°C (77°F). The minimum temperatures in both months are quite similar, with March starting at 8°C (47°F) and December slightly lower at 8°C (46°F). However, March tends to be drier, receiving only 22 mm (0.9 in) of precipitation over three days, while December experiences more rainfall at 64 mm (2.5 in) over six days, which contributes to higher humidity levels of 84% in December versus 79% in March. For more detailed insights, you can refer to Longboat Key weather in December.

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Conclusion: What to Expect From March Weather in Longboat Key

March in Longboat Key brings a delightful transition into spring, with temperatures becoming noticeably warmer compared to the cooler winter months. While sunshine predominates, guests can expect a few brief rainy days, contributing to a vibrant and refreshing atmosphere. The humidity begins to rise, offering that signature tropical feel, yet remains comfortable for outdoor activities. As the month progresses, it’s a perfect time to explore the beauty of this coastal paradise. For a deeper dive into seasonal trends, check out Longboat Key Climate.