March Weather in Saint Simons Island, United States

Last updated: February 24, 2025

March on Saint Simons Island offers a delightful transition into spring, characterized by a maximum temperature of 24°C (76°F) and an average of 16°C (62°F), providing a pleasant atmosphere for outdoor activities. As temperatures warm, the minimums dip to around 5°C (41°F) at night, allowing for comfortable evenings. Visitors should be prepared for some moisture, with an average precipitation of 60 mm (2.4 inches) over approximately 6 days, contributing to the island's lush greenery. The humidity level hovers at a moderate 78%, adding to the island's tropical charm. Whether you’re seeking sun-soaked days or cozy evenings, March is an enchanting time to explore this coastal gem.

March Temperature in Saint Simons Island

March marks a delightful transition into spring on Saint Simons Island, as temperatures rise steadily from winter's chill. With minimums averaging around 5°C (41°F) and a pleasant average of 16°C (62°F), the island begins to shake off the cold. Daytime highs can reach up to 24°C (76°F), inviting both locals and visitors to soak in the warming rays. This month harmoniously bridges the cooler temperatures of winter and the balmy warmth of April, signaling the onset of vibrant blooms and outdoor activities. As the days grow longer and the air becomes fragrant with the scent of new growth, March truly embodies the island's charm and beauty, providing an ideal backdrop for tranquil escapes and coastal adventures.

March Weather in Saint Simons Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Saint Simons Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555862687479818180756558
Data source: Temperature data for Saint Simons Island 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 Saint Simons Island

In March, Saint Simons Island experiences a relative dip in precipitation, recording 60 mm (2.4 in) over just 6 days. This pattern of rainfall marks a slight decrease from February's 93 mm (3.6 in) across 11 days, suggesting a transition towards the drier months ahead. Compared to the earlier months of the year, March maintains a steady level of rainfall, akin to January’s totals, indicating a consistent climate. As the island gears up for the more humid summer season, the early spring offers a refreshing balance of sun and manageable rain, allowing residents and visitors to enjoy the mild weather before the heavier downpours of June and July set in.

March Precipitation Trends in Saint Simons Island

The chart displays monthly precipitation patterns in Saint Simons Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec61936078651031361361668299121
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Saint Simons Island

In March, Saint Simons Island experiences a slight dip in humidity, averaging 78%, which marks a continuation of the gradual decline from January's 84% and February's 79%. As spring approaches, the air feels fresher and less saturated, providing a pleasant reprieve before the summer months bring a rise in moisture levels again. Following March, humidity stabilizes around 72% in both April and May, creating an inviting environment for outdoor activities. This trend illustrates how humidity in Saint Simons Island shifts with the seasons, offering a blend of pleasant spring breezes and sultry summer air.

March Average Humidity in Saint Simons Island

This chart illustrates the average monthly humidity levels in Saint Simons Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Saint Simons Island

As March rolls into Saint Simons Island, the UV Index escalates significantly, soaring to 9 and placing it in the very high exposure category. This increase indicates that sun protection becomes essential, with a reduced burn time of just 15 minutes. The upward trend from January’s moderate 5 to February’s high 7 sets the stage for March’s intensity, reflecting the transition towards the warmer months ahead. As spring approaches, beachgoers and outdoor enthusiasts should be especially vigilant about sun safety, preparing for the even more extreme conditions that follow in April and May. For those looking to understand the implications of UV exposure, more detailed information can be found at Saint Simons Island UV Index.

Maximum UV Index Levels in Saint Simons Island for March

The chart shows the monthly maximum UV Index (UVI) for Saint Simons Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec579101111111110864
Data source: Saint Simons Island 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 Saint Simons Island

As March rolls into Saint Simons Island, residents and visitors alike can bask in increased sunshine, with the month boasting an impressive 297 hours of sunlight. This marks a noticeable leap from January's 199 hours, signaling the onset of spring and a vibrant outdoor season. Not only does March serve as a pivotal point on the sunshine calendar, but it also sets the stage for an upward trend that continues into the warmer months, peaking in July at 347 hours. With longer days ahead, the island comes alive with opportunities for sun-soaked adventures, making March an exhilarating prelude to the sun-drenched days of summer.

Monthly Sunshine Duration in Saint Simons Island: March Highlighted

The March sunshine duration represents the total number of hours Saint Simons Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h220h297h312h338h317h347h322h302h295h248h231h
Data source: Saint Simons Island March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Simons Island During March

As the winter months give way to spring, Saint Simons Island enjoys a slight uptick in sunshine, although March's likelihood of sunny weather sits at 39%, just above February's 38%. This gradual trend toward brighter skies prepares residents and visitors alike for the more optimistic forecasts of April and May, where the chances of sunshine rise significantly to 54% and 52% respectively. Interestingly, while the chance of sun peaks in the late fall and early winter months, with November reaching 55%, March serves as a transitional period, hinting at the sunny days that lie ahead. As the region warms up, the anticipation for clearer skies becomes palpable, making early spring an alluring time for outdoor activities on the island.

Percentage of Sunny Days in March in Saint Simons Island

The chart illustrates the percentage of sunny days in Saint Simons Island 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 Saint Simons Island experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%38%39%54%52%21%31%23%47%52%56%45%
Data source: Saint Simons Island March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Simons Island in March

As March unfolds in Saint Simons Island, residents and visitors alike can bask in the gift of longer days, with daylight expanding to an impressive 12 hours. This increase marks a significant transition from the earlier winter months, where January offered just 10 hours and February provided 11 hours of sunlight. The arrival of spring not only brightens the landscape but also heralds a gradual ramp-up in daylight that continues into April, maintaining that same 12-hour glow before reaching 13 hours in May. This trend showcases the island's gradual awakening from winter slumber, inviting opportunities for outdoor adventures and a rejuvenating connection with nature as brighter days settle in.

Average Daylight Hours in Saint Simons Island for March

The chart illustrates the variation in daylight duration in Saint Simons Island throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 22m11h 4m12h12h 56m13h 44m14h 7m13h 54m13h 12m12h 18m11h 22m10h 33m10h 8m
Data source: Saint Simons Island daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Saint Simons Island

As spring ushers in warmer weather on Saint Simons Island, March showcases a noticeable shift in wind patterns, with an average speed of 5.8 m/s (13 mph). This marks an increase from the previous months, hinting at a refreshing transition as winter gives way to milder breezes. In comparison to January and February's steady winds of 5.2 m/s (12 mph) and 5.3 m/s (12 mph), March's gustier conditions invite islanders and visitors alike to embrace outdoor activities against a lively coastal backdrop. Following this peak, April sees a slight dip, returning to 5.1 m/s (11 mph), yet the overall trend reflects a vibrant and evolving atmosphere that enhances the island's charm during this rejuvenating season.

Average March Wind Speed in Saint Simons Island

The chart displays monthly wind speed patterns in Saint Simons Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.25.35.8 m/s5.15.75.44.64.64.34.55.44.7
Data source: Saint Simons Island March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Saint Simons Island Compares to Other Months

The weather in Saint Simons Island 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 Saint Simons Island and find detailed weather information for every month.

In comparison to January, March experiences milder temperatures, with a minimum of 5°C (41°F) and an average high of 24°C (76°F), while January sees a cooler minimum of 0°C (33°F) and similar maximum temperatures of 23°C (73°F). Both months receive about 60 mm (2.4 in) of precipitation over approximately six days, but March is characterized by slightly lower humidity (78%) compared to January's 84%. For more details on the January weather, check out Saint Simons Island weather in January.

In comparing the weather of March and February, we see a notable increase in temperatures as March averages around 16°C (62°F), while February holds a slightly cooler average of 14°C (58°F). The maximum temperature in March reaches up to 24°C (76°F), exceeding February's peak of 21°C (71°F). However, February experiences higher precipitation, with 93 mm (3.6 in) over 11 days, compared to March's 60 mm (2.4 in) spread over just 6 days. Both months exhibit similar humidity levels, with February at 79% and March slightly lower at 78%. For a more detailed look into February's climate, you can check out Saint Simons Island weather in February.

In March, the weather features a minimum temperature of 5°C (41°F) and an average of 16°C (62°F), with daytime highs reaching up to 24°C (76°F). This month sees around 60 mm (2.4 in) of precipitation, typically over 6 days, accompanied by a relatively high humidity of 78%. In contrast, April experiences milder conditions, with minimum temperatures rising to 9°C (48°F) and an average of 20°C (68°F), while maximum temperatures can reach 28°C (82°F). Precipitation also increases slightly to 78 mm (3.1 in) over 7 days, but humidity decreases to 72%. The transition from March to April marks a significant warming trend and slightly altered moisture levels, making April a more pleasant month overall. For more details, check out Saint Simons Island weather in April.

In March, the weather is cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 24°C (76°F) and an average of 16°C (62°F). The month sees approximately 60 mm (2.4 in) of precipitation over about 6 days, with a relatively high humidity of 78%. In contrast, May brings warmer temperatures, with a minimum of 15°C (59°F) and a maximum reaching 30°C (86°F), averaging 23°C (74°F). Despite a slight increase in rainfall to 65 mm (2.6 in) over 8 days, the humidity is lower at 72%. For more detailed information, check out Saint Simons Island weather in May.

March and June present notable contrasts in weather patterns. In March, temperatures range from a cool 5°C (41°F) at night to a pleasant average of 16°C (62°F), peaking at 24°C (76°F) during the day. The month also sees about 60 mm (2.4 in) of precipitation over approximately 6 days, with humidity levels around 78%. In contrast, June offers significantly warmer temperatures, starting from a minimum of 20°C (68°F) and averaging 26°C (79°F), with highs reaching 31°C (89°F). However, June is also wetter, with 103 mm (4.1 in) of rainfall spread across 14 days and slightly lower humidity at 74%. For those interested in more detailed June weather conditions, visit Saint Simons Island weather in June.

March and July present contrasting weather patterns. In March, temperatures range from a minimum of 5°C (41°F) to a maximum of 24°C (76°F), with an average of 16°C (62°F). The month brings about 60 mm (2.4 in) of precipitation over approximately 6 days, with humidity levels at 78%. In stark contrast, July sees significantly warmer weather, with temperatures ranging from 24°C (76°F) to 32°C (89°F), averaging around 27°C (82°F). Rainfall increases to 136 mm (5.3 in) over 16 days, accompanied by slightly higher humidity at 82%. For more details on the July climate, you can check Saint Simons Island weather in July.

March and August present strikingly different weather patterns. In March, temperatures typically range from a cool 5°C (41°F) to a pleasant 24°C (76°F), with an average of 16°C (62°F). This month also experiences moderate precipitation of 60 mm (2.4 in) over about 6 days, alongside relatively high humidity at 78%. In contrast, August sees significantly warmer temperatures, with a minimum of 24°C (76°F) and highs soaring to 31°C (89°F), averaging around 27°C (82°F). This summer month brings increased rainfall, totaling 136 mm (5.4 in) over 19 days, and the humidity remains slightly higher at 82%. For more details on the weather conditions during this time, check out Saint Simons Island weather in August.

March and September exhibit significantly different weather patterns. In March, the temperatures range from a cool 5°C (41°F) at night to a pleasant 24°C (76°F) at its warmest, making it a mild spring month with an average of 16°C (62°F). However, it also sees about 60 mm (2.4 in) of precipitation over approximately 6 days, with a humidity level of 78%. In contrast, September offers much warmer temperatures, with a minimum of 19°C (66°F) and highs reaching up to 32°C (90°F), resulting in an average temperature of 27°C (80°F). This month is significantly wetter as well, receiving around 166 mm (6.5 in) of rain across about 15 days, and has a slightly higher humidity of 83%. For more specific information on September weather in Saint Simons Island, visit Saint Simons Island weather in September.

March and October exhibit distinct weather patterns that reflect the transition from winter to spring and from summer to fall, respectively. In March, temperatures range from a cool minimum of 5°C (41°F) to a pleasant average of 16°C (62°F), with highs reaching up to 24°C (76°F). The month sees around 60 mm (2.4 in) of precipitation over approximately 6 days, coupled with a humidity level of 78%. In contrast, October presents a warmer climate, with minimum temperatures of 11°C (51°F) and an average of 24°C (75°F), soaring to a maximum of 30°C (86°F). This month experiences a bit more rain, totaling 82 mm (3.2 in) spread across 11 days, while maintaining a similarly high humidity of 79%. For more detailed insights into October weather, you can visit Saint Simons Island weather in October.

In March, temperatures begin to warm up as the days transition from winter to spring, with a minimum of 5°C (41°F), an average of 16°C (62°F), and a maximum of 24°C (76°F). The month experiences about 60 mm (2.4 in) of precipitation over approximately 6 days, accompanied by a humidity level of 78%.

In contrast, November brings slightly warmer temperatures, with a minimum of 5°C (41°F), an average of 18°C (65°F), and a maximum of 27°C (80°F). The month sees increased precipitation, totaling around 99 mm (3.9 in) across about 7 days, and a humidity level of 82%.

For more detailed insights on November weather patterns, you can check Saint Simons Island weather in November.

March and December exhibit notable differences in weather patterns. March typically enjoys a milder temperature range, with averages around 16°C (62°F) and maximums reaching up to 24°C (76°F), while December's averages drop to 15°C (59°F), peaking at 22°C (72°F). Precipitation levels are also higher in December, with about 121 mm (4.8 in) over 10 days, compared to March's 60 mm (2.4 in) over just 6 days. Humidity levels tend to increase in December, averaging 85% versus March's 78%. For more details on December's weather, you can visit Saint Simons Island weather in December.

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Conclusion: What to Expect From March Weather in Saint Simons Island

As March rolls into Saint Simons Island, the weather begins to shift noticeably compared to the cooler winter months. With average temperatures reaching a comfortable 16°C (62°F), visitors can enjoy the pleasant warmth enveloping the island, perfect for outdoor adventures. While precipitation is relatively moderate this month, with about 60 mm (2.4 in) falling over roughly six days, the increased humidity at 78% contributes to a refreshing coastal atmosphere. March heralds the arrival of spring, making it an ideal time to explore the natural beauty and vibrant activities Saint Simons Island has to offer. To learn more about what makes the climate here unique, visit Saint Simons Island Climate.