Last updated: February 24, 2025
March in Port Jefferson, United States, is characterized by a dynamic climate that showcases the transition from winter to spring. With a maximum temperature reaching 19°C (67°F) and an average hovering around 4°C (40°F), locals can expect a mix of chilly and mild days. The minimum temperature dips to -8°C (17°F), reminding residents of the lingering winter chill. Over the course of the month, 104 mm (4.1 in) of precipitation falls across 10 days, contributing to a humidity level of 81% that can make the air feel brisk. This month is an ideal time for nature enthusiasts as they witness the awakening of the landscape in this picturesque coastal town.
As March arrives in Port Jefferson, the temperatures begin to show a welcome shift from winter's chill towards the signs of spring. With a minimum of -8°C (17°F) and an average of 4°C (40°F), the air feels noticeably milder compared to the harsher winter months. The maximum temperature reaches a pleasant 19°C (67°F), hinting at brighter days ahead. This gradual warming trend marks a clear departure from January and February's consistent cold, paving the way for an increase in outdoor activities and the budding of nature. March is truly a transitional month, inviting residents and visitors alike to embrace the fresh air and the promise of springtime.
March in Port Jefferson sees a noteworthy transition as winter gives way to spring, bringing about an average precipitation of 104 mm (4.1 in) over the course of 10 days. While this amount is a slight decrease from February's 112 mm (4.4 in), it remains significant in comparison to both January and the following months. The consistent rainfall during these early spring days supports the budding flora, making way for a vibrant natural awakening. This trend of moderate precipitation indicates a steady return to the more rain-soaked months to come, particularly April, which averages 132 mm (5.2 in), highlighting a pattern of increasing precipitation as the season progresses. Overall, March serves as a pivotal month that balances the damp winter remnants with the promise of spring's vitality.
In March, Port Jefferson experiences a slight dip in humidity, with levels averaging 81%, down from 82% in February. This gradual decrease is part of a broader trend as the winter months give way to spring, marked by a continued decline in humidity through April, which sees a further drop to 78%. By the time May arrives, residents can look forward to a more comfortable atmosphere with humidity levels plummeting to 69%. Overall, March marks the transition from the higher, more oppressive moisture of winter to the milder conditions of spring, setting the stage for warmer and drier days ahead.
As March rolls into Port Jefferson, the UV Index climbs to 6, indicating a shift to the high exposure category. This month marks a noticeable increase from February, where the UV Index was a moderate 5. With a burn time of just 25 minutes, residents and visitors alike should be mindful of sun safety as the days grow longer and sunnier. This trend of increasing UV exposure will continue into April, where the Index spikes further to 8, urging even greater caution. To stay informed about the UV Index changes throughout the year, check out Port Jefferson UV Index.
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As the cold grip of winter loosens its hold, March in Port Jefferson ushers in a delightful surge of sunshine, boasting 258 hours of bright rays, marking a significant increase from January and February. This energetic leap not only hints at the upcoming warmth of spring but also sets the stage for even sunnier days ahead. Following March, April continues with a respectable 246 hours, while May shines even brighter at 285 hours. This upward trajectory reaches its peak in the summer months, where the vibrant Long Island sun offers a bountiful 343 hours in July. Thus, March serves as a pivotal transition, where longer days and the anticipation of full bloom invigorate both the landscape and the spirit.
March in Port Jefferson heralds a welcome shift towards sunnier days, boasting a 58% chance of sun, making it one of the brighter months of the year. This increase follows January's modest 52% and February's significant dip to 31%, indicating a clear trend of improving weather as winter gives way to spring. Although April and May see a slight decrease in sunny days, with chances of 48% and 43% respectively, March serves as a pivotal turning point where the promise of warmer, more sunlit days begins to emerge. As we transition from the bleakness of winter, March invites residents and visitors alike to enjoy the rejuvenating sunshine that signals the approach of springtime beauty.
As March unfolds in Port Jefferson, the promise of spring brings a noticeable increase in daylight, stretching from a wintery 10 hours in February to 11 hours this month. This trend sets the stage for even longer days ahead, as April will usher in 13 hours of daylight, signaling a slow but steady transition to the vibrant days of summer. The gradual extension of daylight not only enhances outdoor activities but also lifts spirits, marking the awakening of nature and the anticipation of brighter evenings. With each passing month, residents can look forward to basking in increasingly longer days, culminating in a peak of 15 hours in June, before the season’s gradual fade begins once more.
As March ushers in the transition from winter to spring in Port Jefferson, the average wind speed remains steady at 4.9 m/s (11 mph), mirroring the calmness of February. This consistency indicates that while the chill lingers, the approach of warmer months is on the horizon. Following March, a gradual decline in wind speeds is observed, with April and May dipping to 4.4 m/s (10 mph) and 4.3 m/s (10 mph) respectively. This trend continues into the summer, when lighter breezes prevail, creating a more serene atmosphere by mid-year. Notably, September experiences a slight resurgence in wind speed, hinting at the changes of autumn ahead. Overall, the winds of Port Jefferson in March reflect a moment of balance before the shift to warmer seasonal patterns.
The weather in Port Jefferson 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 Port Jefferson and find detailed weather information for every month.
When comparing the weather in March and January, it's evident that March tends to be milder and slightly wetter. In March, temperatures range from a minimum of -8°C (17°F) to a maximum of 19°C (67°F), with an average of 4°C (40°F). This month also sees about 104 mm (4.1 in) of precipitation over approximately 10 days and a humidity level of 81%. In contrast, January experiences colder conditions, with temperatures ranging from -15°C (6°F) to a maximum of 15°C (60°F) and an average of 2°C (35°F). Additionally, January receives about 80 mm (3.1 in) of precipitation across 8 days but has a slightly higher humidity of 84%. For more specific details, you can check Port Jefferson weather in January.
In comparing the weather between February and March, March typically offers slightly milder temperatures, with an average of 4°C (40°F) compared to February's average of 2°C (36°F). The maximum temperature in March can reach up to 19°C (67°F), surpassing February’s 15°C (58°F), while both months experience notable cold spells with minimum temperatures of -8°C (17°F) in March and -15°C (6°F) in February. Additionally, March sees a total precipitation of 104 mm (4.1 in) over approximately 10 days, which is just slightly less than February's 112 mm (4.4 in) over 12 days, indicating that while both months are relatively wet, February has a bit more rain. Humidity levels are comparable, with 81% in March and 82% in February. For more detailed information, you can check Port Jefferson weather in February.
March and April exhibit notable differences in weather patterns as spring unfolds. March typically experiences lower temperatures, with a minimum of -8°C (17°F) and an average of 4°C (40°F), while April sees a slight increase, starting at a minimum of -1°C (31°F) and averaging 9°C (49°F). The maximum temperatures also rise, with March peaking at 19°C (67°F) compared to April’s 22°C (71°F). Precipitation is another factor, as March averages 104 mm (4.1 in) over 10 days, while April sees an increase to 132 mm (5.2 in) across 12 days. Humidity remains relatively high in both months, dipping slightly from 81% in March to 78% in April. To learn more about the weather specifics in April, visit Port Jefferson weather in April.
March and May present a notable contrast in weather conditions. In March, temperatures range from a minimum of -8°C (17°F) to a maximum of 19°C (67°F), with an average of around 4°C (40°F). The month is characterized by higher humidity at 81% and significant precipitation of 104 mm (4.1 in) over approximately 10 days. In contrast, May ushers in milder temperatures, with a minimum of 3°C (37°F), an average of 14°C (58°F), and a maximum reaching 26°C (79°F). Although May experiences slightly more rainfall at 119 mm (4.7 in) over about 13 days, the humidity decreases to 69%. This shift from the cool, damp conditions of March to the warmer, more temperate weather of May can greatly affect outdoor activities. For more details, check the Port Jefferson weather in May.
March and June present a striking contrast in weather conditions. In March, temperatures range from a frigid minimum of -8°C (17°F) to a mild maximum of 19°C (67°F), with an average of 4°C (40°F). The month sees considerable precipitation, totaling 104 mm (4.1 in) over about 10 days, along with a high humidity level of 81%. In contrast, June boasts much warmer temperatures, with a minimum of 10°C (50°F), an average of 20°C (68°F), and a maximum reaching 29°C (85°F). Additionally, June experiences less precipitation at 87 mm (3.4 in) over 9 days, and the humidity is noticeably lower at 69%. For a closer look at the specifics of June weather, you can visit Port Jefferson weather in June.
March and July exhibit striking contrasts in weather. In March, temperatures range from a chilly minimum of -8°C (17°F) to a mild maximum of 19°C (67°F), with an average temperature around 4°C (40°F). The month sees significant precipitation of 104 mm (4.1 in) over 10 days, coupled with high humidity levels at 81%. In stark contrast, July features more balmy weather, with temperatures ranging from a minimum of 16°C (60°F) to a warm maximum of 33°C (91°F), averaging 24°C (76°F). Although July experiences slightly higher precipitation at 131 mm (5.2 in) over 12 days, the humidity drops to a more comfortable 62%. For more details on the summer climate, check out Port Jefferson weather in July.
March and August present starkly different weather conditions. In March, temperatures can dip as low as -8°C (17°F) during the night, with an average of 4°C (40°F) and a maximum of 19°C (67°F). The month experiences considerable precipitation, totaling 104 mm (4.1 in) over about 10 days, accompanied by high humidity levels at 81%. In contrast, August offers much milder weather with minimum temperatures around 16°C (61°F), an average of 24°C (75°F), and maximums reaching 31°C (88°F). Precipitation remains similar, at 103 mm (4.0 in), but occurs over slightly more days (11 days), with a lower humidity level of 65%. For more detailed insights on the warmth of August, check out Port Jefferson weather in August.
March and September present contrasting weather profiles. In March, temperatures swing from a chilly minimum of -8°C (17°F) to a more moderate average of 4°C (40°F), reaching a maximum of 19°C (67°F). This month typically sees 104 mm (4.1 in) of precipitation over about 10 days, accompanied by a high humidity level of 81%. In stark comparison, September offers a much warmer temperature range, with minimums starting at 11°C (52°F), an average of 21°C (70°F), and maximums peaking at 30°C (87°F). Precipitation in September is slightly lower at 94 mm (3.7 in) across the same number of days, accompanied by a noticeably drier humidity of 68%. For more details on the weather in this month, check out Port Jefferson weather in September.
In comparing the weather in March and October, notable differences emerge in temperature and precipitation patterns. March features a chilly minimum temperature of -8°C (17°F) and an average of only 4°C (40°F), with a maximum reaching 19°C (67°F). This month also sees a significant amount of precipitation, around 104 mm (4.1 in) over about 10 days, accompanied by high humidity levels of 81%. In contrast, October offers a milder climate, with minimum temperatures rising to 5°C (41°F) and averaging 16°C (61°F), peaking at 29°C (84°F). While October experiences slightly more precipitation at 143 mm (5.6 in) spread over approximately 12 days, the overall humidity is lower at 74%. For a more detailed look at October's weather, you can explore Port Jefferson weather in October.
In comparing the weather of March and November, both months exhibit similar temperature ranges and precipitation levels, though they each bring distinct characteristics. March typically experiences a slightly colder minimum temperature of -8°C (17°F) and a broader average temperature variation, with a maximum of 19°C (67°F). In contrast, November's temperatures hover around a minimum of -6°C (21°F) and a maximum of 21°C (70°F), giving it a warmer overall feel. Precipitation is similar, with March recording 104 mm (4.1 in) over about 10 days and November slightly less at 103 mm (4.0 in) over 9 days. Humidity levels remain comparable, with March at 81% and November at 82%. For those interested in a deeper look at the specific conditions in November, check out Port Jefferson weather in November.
In March, temperatures begin to rise, featuring a minimum of -8°C (17°F) and an average high of 19°C (67°F), with the month experiencing an average humidity of 81% and about 104 mm (4.1 in) of precipitation over 10 days. In contrast, December has slightly lower temperatures, with a minimum of -10°C (15°F) and an average high of 17°C (62°F), accompanied by 140 mm (5.5 in) of precipitation spread over 11 days, and a humidity level of 80%. Overall, while March offers a broader range of temperatures, December tends to be wetter, showcasing the month-to-month variation in Port Jefferson weather. For a more detailed comparison, you can check the Port Jefferson weather in December.
As March unfolds in Port Jefferson, the weather begins to emerge from the grips of winter, offering a refreshing shift in temperatures and conditions. The average chill gives way to milder days, but the lingering cold can still surprise, reminding residents that spring is just around the corner. With a fair amount of precipitation spread over about ten days, this month often serves as a bridge, blending the winter's moisture with the promise of warmer, sunnier days ahead. The increased humidity also hints at the approaching spring bloom. For more insights into how March compares with the rest of the year, check out Port Jefferson Climate.