March Weather in Sag Harbor, United States

Last updated: February 24, 2025

In March, Sag Harbor experiences a temperate transition as winter begins to wane and spring approaches. The maximum temperature hovers around 15°C (59°F), while the average temperature settles at a chilly 4°C (39°F), dipping to a brisk minimum of -7°C (20°F) at night. This month witnesses 113 mm (4.5 in) of precipitation over approximately 10 days, resulting in an average humidity level of 82%, creating a fresh but damp atmosphere. As the season changes, the vibrant charm of Sag Harbor starts to re-emerge amidst the evolving weather patterns.

March Temperature in Sag Harbor

As winter slowly relinquishes its grip, March in Sag Harbor heralds a welcome transition into spring. The temperatures begin to rise, with minimums averaging -7°C (20°F) and maximums reaching a pleasant 15°C (59°F). This month serves as a turning point, where the average temperature hovers around 4°C (39°F), fostering anticipation for the milder days ahead. The shift from the harsher winter chill, seen in January and February, sets the stage for more comfortable outdoor activities, hinting at nature's awakening with each passing day. With each degree gained, residents and visitors alike can look forward to the blooming beauty of the season ahead.

March Weather in Sag Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Sag Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363739465464727368615042
Data source: Temperature data for Sag Harbor 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 Sag Harbor

In March, Sag Harbor experiences a noteworthy total precipitation of 113 mm (4.5 in) over approximately 10 days, marking a slight decrease from February's 123 mm. This pattern suggests that the region transitions from the heavier snows typical of winter towards the more variable spring weather. The rainfall in March begins to set the stage for the wetter months ahead, as April further escalates with an average of 137 mm. Interestingly, despite the fluctuations in precipitation amounts, the number of rainy days remains relatively consistent, hinting at a shift towards a more temperate climate as spring unfolds and the landscape and local activities begin to awaken from winter's grip.

March Precipitation Trends in Sag Harbor

The chart displays monthly precipitation patterns in Sag Harbor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89123113137129729910399161113147
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Sag Harbor

In Sag Harbor, March marks a subtle shift in humidity levels, with the average dropping slightly to 82% from a steadfast 84% in both January and February. This gradual decline reflects the onset of spring, as the air begins to dry out in preparation for the warmer months ahead. By April, humidity continues to decrease to 79%, illustrating a consistent trend toward lower moisture levels as the region transitions into the sunnier days of late spring and early summer. The change in March, while modest, signals a refreshing shift from the winter's dampness, setting the stage for the more temperate weeks to come.

March Average Humidity in Sag Harbor

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

March UV Index in Sag Harbor

As March unfolds in Sag Harbor, the UV Index rises to 6, marking a shift into the high exposure category. This increase from February's index of 5 indicates that residents and visitors should be more vigilant about sun protection, as the recommended burn time decreases to just 25 minutes. Looking ahead, this trend continues into April, where the UV Index surges to 8, highlighting the need for precaution as we transition into the sunnier months. With each passing month leading into summer, the UV Index reaches its peak levels, underscoring the importance of awareness and protection under the sun. For more detailed information on UV levels throughout the year, visit Sag Harbor UV Index.

Maximum UV Index Levels in Sag Harbor for March

The chart shows the monthly maximum UV Index (UVI) for Sag Harbor 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.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Sag Harbor 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 Sag Harbor

As March unfolds in Sag Harbor, a refreshing transformation takes place with sunlight hours soaring to 261 hours, marking a delightful increase from the colder months. This burgeoning light not only signals the arrival of spring but also invites residents and visitors to embrace the outdoors as the days grow longer and brighter. With sunshine hours climbing consistently from January’s 153 hours to February’s 185 hours, March further propels this upward trend, setting the stage for even more sun-soaked days ahead in the coming months. By April, the sun still shines generously with an impressive 250 hours, hinting at the vibrant energy that will fully awaken the picturesque landscape of Sag Harbor, making it a splendid time to enjoy the beauty of the region as nature comes back to life.

Monthly Sunshine Duration in Sag Harbor: March Highlighted

The March sunshine duration represents the total number of hours Sag Harbor 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h185h261h250h291h321h349h327h281h229h208h177h
Data source: Sag Harbor March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sag Harbor During March

In Sag Harbor, March emerges as a promising month for sunshine, boasting a 59% chance of clear skies. This marks a significant increase from February's 31%, signaling the arrival of spring with more daylight and warmer weather. Interestingly, as the year progresses, the likelihood of sunny weather fluctuates, with April dipping back to 49% and May slightly lower at 45%. Overall, March stands out as a beacon of hope for sun enthusiasts, transitioning the community from the winter months into a season filled with outdoor possibilities and vibrant activity.

Percentage of Sunny Days in March in Sag Harbor

The chart illustrates the percentage of sunny days in Sag Harbor 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 Sag Harbor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%31%59%49%46%41%45%35%49%46%53%32%
Data source: Sag Harbor March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sag Harbor in March

As March unfolds in Sag Harbor, residents can savor the increasing daylight, with the sun gracing the sky for an impressive 11 hours each day. This marks a delightful transition from the shorter winter days of January and February, which offered just 9 and 10 hours of light, respectively. The gradual extension of daylight not only signals the approach of spring but also invites outdoor activities and gatherings under the sun. Looking ahead, daylight will continue to flourish, reaching 13 hours by April and peaking at 15 hours in June, elevating the mood and energy of the community as winter's grasp loosens and life awakens anew.

Average Daylight Hours in Sag Harbor for March

The chart illustrates the variation in daylight duration in Sag Harbor throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 38m11h 58m13h 20m14h 29m15h 3m14h 44m13h 43m12h 24m11h 3m9h 52m9h 15m
Data source: Sag Harbor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Sag Harbor

March in Sag Harbor brings a gentle shift in the winds, with average speeds tapering to 6.9 m/s (15 mph) from the consistent 7.3 m/s (16 mph) in the earlier months. This subtle decrease marks the beginning of a gradual wind calming that will see speeds drop further in the spring months, reaching 6.2 m/s (14 mph) by April and continuing the trend toward softer breezes as summer approaches. As warmth begins to seep into the air, this transition reflects nature's tranquil charm, making March a perfect time for outdoor strolls along the picturesque waterfront, where the whispers of the wind carry the promise of new beginnings.

Average March Wind Speed in Sag Harbor

The chart displays monthly wind speed patterns in Sag Harbor, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.37.36.9 m/s6.26.05.64.84.96.16.76.86.6
Data source: Sag Harbor March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Sag Harbor Compares to Other Months

The weather in Sag Harbor 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 Sag Harbor and find detailed weather information for every month.

When comparing the weather in March and January, March tends to be milder with average temperatures reaching 4°C (39°F), compared to January's colder average of 2°C (37°F). January experiences lower minimum temperatures, dipping to -13°C (8°F), while March's minimum is slightly warmer at -7°C (20°F). Both months have a similar level of humidity, around 82% in March and 84% in January, but March sees more precipitation, totaling 113 mm (4.5 in) over 10 days compared to January's 89 mm (3.5 in) across 9 days. For more detailed insights, you can check Sag Harbor weather in January.

March generally experiences milder temperatures compared to February, with average highs reaching 15°C (59°F) versus February’s maximum of 12°C (53°F). The minimum temperatures in March are also slightly warmer, dropping to -7°C (20°F) compared to February's colder low of -12°C (11°F). Additionally, March sees a slight decrease in total precipitation, with 113 mm (4.5 in) over 10 rainy days, whereas February has 123 mm (4.8 in) across 11 days. Humidity levels are relatively consistent, with March at 82% and February slightly higher at 84%. For more details on February weather patterns, check out Sag Harbor weather in February.

March and April exhibit a noticeable shift in weather patterns. In March, temperatures range from a chilly minimum of -7°C (20°F) to a mild maximum of 15°C (59°F), with an average of 4°C (39°F). Precipitation is quite significant, totaling 113 mm (4.5 in) over 10 days, and humidity remains high at 82%. In contrast, April brings slightly warmer temperatures, with a minimum of 0°C (33°F), an average of 8°C (47°F), and a maximum of 16°C (61°F). While April sees an increase in precipitation to 137 mm (5.4 in) over 12 days, humidity decreases to 79%. For a more detailed look at April weather, you can visit Sag Harbor weather in April.

March and May exhibit distinct differences in weather patterns. In March, temperatures range from a chilly -7°C (20°F) at night to a mild 15°C (59°F) during the day, with an average temperature of 4°C (39°F). In contrast, May brings warmer conditions, with nighttime lows at 4°C (39°F) and daytime highs reaching 20°C (69°F), averaging around 12°C (54°F). Precipitation levels are relatively similar, with March recording 113 mm (4.5 in) over approximately 10 days, while May sees a slight increase to 129 mm (5.1 in) over 13 days. Humidity is higher in March at 82%, compared to 75% in May. For a detailed look at the weather in May, visit Sag Harbor weather in May.

The weather in March is characterized by colder temperatures, with a minimum of -7°C (20°F) and an average of 4°C (39°F), resulting in a chilly atmosphere that often requires heavy clothing. In contrast, June brings a much milder climate, with temperatures ranging from a minimum of 11°C (52°F) to a pleasant maximum of 24°C (75°F), allowing for more comfortable outdoor activities. Additionally, March experiences higher precipitation levels at 113 mm (4.5 in) over about ten days, compared to June’s 72 mm (2.9 in) over eight days, indicating drier conditions as summer approaches. Humidity levels are also slightly lower in June at 78%, compared to March’s 82%, contributing to a more enjoyable environment. For more details about June's weather, check out Sag Harbor weather in June.

March and July present striking contrasts in weather. In March, temperatures fluctuate between a minimum of -7°C (20°F) and a maximum of 15°C (59°F), with an average of around 4°C (39°F). This month sees higher precipitation, totaling 113 mm (4.5 in) over approximately 10 days, accompanied by a notable humidity level of 82%. In comparison, July offers much warmer conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (82°F) and an average of 22°C (72°F). The precipitation decreases slightly to 99 mm (3.9 in) over the same number of days, along with a lower humidity of 76%. For more specific details on July weather, check out Sag Harbor weather in July.

March and August present starkly contrasting weather patterns. In March, temperatures range from a frigid minimum of -7°C (20°F) to a mild maximum of 15°C (59°F), with an average of 4°C (39°F), while humidity remains high at 82%. The month experiences significant precipitation, totaling 113 mm (4.5 in) over about 10 days. In contrast, August brings a warmer climate, with temperatures ranging from a minimum of 17°C (63°F) to a comfortable maximum of 27°C (80°F), averaging around 23°C (73°F). Despite slightly less precipitation at 103 mm (4.0 in) over 9 days, the humidity is lower at 76%. For a more detailed look at what to expect during the summer, check Sag Harbor weather in August.

When comparing the weather in March and September, there is a notable shift in temperatures and conditions. March experiences much colder temperatures, with lows reaching -7°C (20°F) and an average of 4°C (39°F), while September enjoys milder weather, with minimums around 12°C (55°F) and an average of 20°C (69°F). Precipitation levels are somewhat similar, with March receiving 113 mm (4.5 in) and September slightly less at 99 mm (3.9 in), both spread over about 10 days. Additionally, humidity is higher in March at 82%, compared to 75% in September, making the latter feel more comfortable as summer transitions into fall. For more details, check out Sag Harbor weather in September.

March and October showcase contrasting weather patterns. In March, temperatures fluctuate from a chilly minimum of -7°C (20°F) to a mild maximum of 15°C (59°F), with an average temperature of 4°C (39°F). The month is also marked by significant precipitation, totaling 113 mm (4.5 in) over about 10 days, coupled with high humidity levels at 82%.

In contrast, October features much warmer temperatures, ranging from a minimum of 5°C (42°F) to a comfortable maximum of 24°C (75°F), with an average of 16°C (61°F). It brings even more rain, amounting to 160 mm (6.3 in) over approximately 14 days, but the humidity is lower at 75%. The difference in temperature and precipitation between March and October highlights the transition from winter to autumn. For more detailed insights into October weather, you can check Sag Harbor weather in October.

March and November both exhibit similar total precipitation, averaging around 113 mm (4.4-4.5 in) across approximately 10 days, but their temperatures highlight a notable contrast. In March, temperatures range from a low of -7°C (20°F) to a high of 15°C (59°F), with an average of 4°C (39°F). In contrast, November brings milder conditions, with temperatures varying from a minimum of -5°C (24°F) to a maximum of 19°C (67°F), averaging around 10°C (50°F). Although humidity levels are relatively close, with March at 82% and November at 80%, the overall experiences of both months differ significantly due to these temperature shifts. For more detailed information, you can check Sag Harbor weather in November.

In March, temperatures in Sag Harbor range from a chilly minimum of -7°C (20°F) to a pleasant maximum of 15°C (59°F), with an average of 4°C (39°F). The month experiences about 113 mm (4.5 in) of precipitation over 10 days and maintains a humidity level of 82%. In contrast, December sees slightly lower temperatures, featuring a minimum of -9°C (16°F) and a maximum of 16°C (61°F), with an average temperature of 5°C (42°F). Precipitation increases to 147 mm (5.8 in) over 12 days, and humidity is slightly lower at 80%. Overall, March offers milder conditions compared to December, despite both months having significant precipitation. For more detailed insights about December weather, you can visit Sag Harbor weather in December.

Compare Sag Harbor's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Sag Harbor

As March unfolds in Sag Harbor, the weather begins its transition, shedding the harsher grips of winter. With an average temperature hovering around 4°C (39°F), March is a month of contrasts, where the chill of early spring is palpable, yet occasional mild days hint at the warmth to come. Precipitation is common, as 113 mm (4.5 in) of rain graces the town over about ten days, contributing to the lush awakening of nature. The high humidity, at 82%, enhances the cool, crisp air, creating an atmosphere that is both invigorating and refreshing. For those looking to dive deeper into the climatic nuances of Sag Harbor, visit Sag Harbor Climate.