Last updated: February 24, 2025
In November, Port Jefferson experiences a captivating transition into colder weather, with maximum daily temperatures peaking at 21°C (70°F) and averaging around 9°C (49°F). Nights can be brisk, dropping to a chilly -6°C (21°F). This month brings 103 mm (4.0 in) of precipitation, falling over 9 days, which adds a refreshing touch to the autumn landscape. With relative humidity levels at 82%, residents and visitors alike can expect a mix of brisk days and cool, damp conditions that epitomize the charm of late fall in this picturesque coastal town.
As November unfolds in Port Jefferson, temperatures begin their steady descent into the chill of winter. The month starts with a minimum of -6°C (21°F) and averages 9°C (49°F), providing a noticeable contrast to the milder autumn days of October. Daytime highs can still reach a pleasant 21°C (70°F), inviting lingering afternoons outdoors before the cold truly sets in. This transitional period showcases a distinct shift, marking the arrival of winter as the average temperatures dip significantly from the warmer months, signaling that cozy sweaters and warm drinks are just around the corner. As the leaves continue to fall, the crisp air hints at the seasonal festivities ahead.
November in Port Jefferson sees a moderate shift in precipitation patterns as the month ushers in 103 mm (4.0 in) of rain over the course of 9 days. This marks a notable balance in the monthly rainfall, sitting comfortably between the heavier downpours of October, which recorded 143 mm (5.6 in), and the lighter, drier December ahead with 140 mm (5.5 in). The decrease in precipitation days compared to earlier months suggests a more efficient use of moisture, characterized by shorter, more intense rainfall events. This trend reflects the transition from the lush, vibrant fall into the brisk beginnings of winter, highlighting November's unique role in Port Jefferson's annual weather narrative.
In November, Port Jefferson experiences a notable uptick in humidity, reaching approximately 82%. This rise continues the trend of increased humidity as the year winds down. Following the warmer summer months, which saw a dip to 62% in July, the humidity levels gradually climbed, peaking in the chillier fall season. Comparing November's humidity with preceding months, it becomes clear that it is one of the wetter months, alongside January and February. This higher moisture content sets the stage for a crisp yet comfortably humid atmosphere as the region prepares for winter, reflecting the natural ebb and flow of the seasons in Port Jefferson.
As November unfolds in Port Jefferson, the UV Index drops to 4, indicating a moderate level of sun exposure. This decline marks a shift from the very high levels experienced in the summer months, where values peaked at 10 in June and May. The burn time extends slightly to 30 minutes, allowing for a more leisurely outdoor enjoyment while still necessitating precautions. With winter approaching, the UV Index continues to trend downward, reaching its lowest point of 2 in December. For those looking to be sun-smart, it’s essential to stay informed about these shifts throughout the year. For more details, visit Port Jefferson UV Index.
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In Port Jefferson, November brings a delightful hint of autumn sunlight, with approximately 210 hours of sunshine lighting up the crisp days. This month follows a gradual decline from the sun-kissed peaks of summer, where July and August bask in 343 and 323 hours respectively, showcasing the region's vibrant summer allure. As fall takes hold, sunshine hours decrease steadily from September's 282 to October's 225, setting the stage for November's pleasant but shorter days. Despite this reduction, November still offers a cozy warmth that invites residents and visitors alike to enjoy the tranquil beauty of the changing season. The trend of diminishing light reminds us of the cyclical nature of the seasons, creating a perfect backdrop for the onset of winter's embrace.
As November rolls into Port Jefferson, residents can look forward to a pleasant surprise, as the likelihood of sunny weather peaks at 56%, making it one of the sunniest months of the year. This marks a notable increase compared to the earlier months, particularly following the notably cloudier summer and early fall, where chances hovered around 31% to 48%. This trend suggests that while winter looms on the horizon, November offers a brief respite with brighter skies, providing a wonderful opportunity to enjoy outdoor activities before the chill sets in.
As November arrives in Port Jefferson, daylight hours begin to taper off, settling at 9 hours—a stark contrast to the 15 hours enjoyed in June. This reduction signals the transition into winter, where shorter days characterize the landscape. The month starts with the lingering warmth of autumn, yet a steady decline in daylight is evident as the year progresses. Following the peak of summer, daylight steadily decreases, with November mirroring the brief daylight of January and December. This trend not only emphasizes the cyclical nature of the seasons but also enhances the cozy ambiance of the late fall, inviting residents to embrace the charm of shorter, darker days.
As November unfolds in Port Jefferson, the crisp air carries an average wind speed of 4.6 m/s (10 mph), a slight dip from the breezy days of October. This subtle decline fits within a broader trend observed as the year progresses; the winds generally soften from their peak in the early months, where January and February boast consistent speeds of around 5.0 m/s (11 mph). As summer gives way to autumn, the winds gradually ease, with July and August recording the calmest days at 3.4 m/s (8 mph). Interestingly, November serves as a comfortable transition, embracing a gentle breeze that remains robust enough to invigorate the coastal charm of the area, contributing to the enchanting ambiance of late fall before winter's chill arrives.
The weather in Port Jefferson changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of November'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.
November weather features a wider temperature range, with minimums reaching -6°C (21°F) and maximums climbing up to 21°C (70°F), creating a mild average of 9°C (49°F). In contrast, January is much colder, with average temperatures dropping to 2°C (35°F) and minimums plunging to -15°C (6°F). While November is characterized by higher precipitation at 103 mm (4.0 in) over 9 days, January sees slightly less with 80 mm (3.1 in) over 8 days. Both months exhibit high humidity levels, with November at 82% and January slightly higher at 84%. For more details on January weather specifically, you can check Port Jefferson weather in January.
November and February present distinct weather patterns, with November typically experiencing milder temperatures ranging from a minimum of -6°C (21°F) to a maximum of 21°C (70°F), with an average of 9°C (49°F). In contrast, February is notably colder, with minimum temperatures dropping to -15°C (6°F) and a maximum of only 15°C (58°F), resulting in a much lower average of 2°C (36°F). Both months have high humidity at 82%, but February sees slightly more precipitation, with 112 mm (4.4 in) over 12 days compared to November's 103 mm (4.0 in) over 9 days. For more detailed weather information specific to Port Jefferson, you can check Port Jefferson weather in February.
In comparing November and March weather, we see notable differences and similarities. November typically exhibits a milder average temperature of 9°C (49°F), ranging from a minimum of -6°C (21°F) to a maximum of 21°C (70°F), while March is cooler on average at 4°C (40°F), with temperatures ranging from -8°C (17°F) to 19°C (67°F). Both months experience similar levels of precipitation, with November receiving 103 mm (4.0 in) and March slightly higher at 104 mm (4.1 in), occurring over 9 and 10 days respectively. Humidity levels remain fairly consistent with November at 82% and March at 81%. To delve deeper into March's climate conditions, one can explore Port Jefferson weather in March.
When comparing the weather in November and April, both months exhibit a similar average temperature of 9°C (49°F), but their temperature ranges show notable differences. November experiences lower minimum temperatures, dropping to -6°C (21°F), while April has a milder minimum of -1°C (31°F). Precipitation is more abundant in April, with 132 mm (5.2 in) over 12 days, compared to November's 103 mm (4.0 in) over 9 days. Humidity levels are slightly higher in November at 82%, compared to April's 78%. For a more detailed look at April's weather in Port Jefferson, you can check Port Jefferson weather in April.
When comparing the weather of November and May, notable differences emerge. November typically experiences cooler temperatures, with an average of 9°C (49°F) and a maximum reaching up to 21°C (70°F). In contrast, May enjoys milder conditions, averaging 14°C (58°F) and peaking at 26°C (79°F). Precipitation is also a factor; November sees about 103 mm (4.0 in) over 9 days, while May records slightly higher rainfall at 119 mm (4.7 in) across 13 days. Additionally, November's humidity averages around 82%, whereas May offers a more comfortable 69%. For more details on the pleasant May weather, check out this link: Port Jefferson weather in May.
November and June present distinctly different weather profiles. In November, temperatures can dip as low as -6°C (21°F) at night, with an average of 9°C (49°F) and a daytime high reaching up to 21°C (70°F). This month sees significant precipitation, totaling 103 mm (4.0 in) over about nine days, accompanied by relatively high humidity levels at 82%. In contrast, June enjoys milder temperatures, with nighttime lows around 10°C (50°F) and daytime highs peaking at 29°C (85°F), averaging 20°C (68°F). Precipitation is slightly lower at 87 mm (3.4 in), also spread over nine days, but the humidity is more comfortable at 69%. For a detailed look at June weather, you can check Port Jefferson weather in June.
When comparing the weather between November and July, significant differences in temperature and humidity stand out. November experiences a much cooler climate, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 21°C (70°F), averaging around 9°C (49°F). In contrast, July boasts warmer temperatures, with minimums of 16°C (60°F) and maximums reaching 33°C (91°F), averaging 24°C (76°F). Additionally, November sees higher humidity at 82%, while July has a more comfortable humidity level of 62%. Precipitation is also notable, with November receiving 103 mm (4.0 in) over about 9 days, compared to July's 131 mm (5.2 in) spread across 12 days. For a closer look, check out Port Jefferson weather in July.
November and August present contrasting weather patterns. In November, temperatures range from a chilly -6°C (21°F) at night to a mild 21°C (70°F) during the day, with an average temperature of 9°C (49°F). The month is characterized by a higher humidity level of 82% and experiences 103 mm (4.0 in) of precipitation over 9 days. In stark contrast, August features much warmer temperatures, with nighttime lows of 16°C (61°F) and daytime highs reaching 31°C (88°F), averaging at 24°C (75°F). Although August also sees 103 mm (4.0 in) of precipitation, it falls over a slightly greater number of days (11), accompanied by a more comfortable humidity level of 65%. For more details on August weather, you can check out Port Jefferson weather in August.
In comparing the weather of November to September, it's clear that November brings cooler temperatures, with minimums dropping to -6°C (21°F) compared to September's milder lows of 11°C (52°F). The average temperature in November is significantly lower at 9°C (49°F) versus September's comfortable 21°C (70°F). Maximum temperatures also reflect this shift, peaking at 21°C (70°F) in November, which is much cooler than September's highs of 30°C (87°F). Although both months experience similar levels of precipitation—with November recording 103 mm (4.0 in) over 9 days and September slightly less at 94 mm (3.7 in) over 10 days—the humidity levels in November are higher at 82% compared to September's 68%. For a more detailed look at September’s weather, you can visit Port Jefferson weather in September.
When comparing the weather in November to that of October, distinct contrasts emerge. November experiences cooler temperatures, with a minimum of -6°C (21°F) and an average of 9°C (49°F), whereas October is milder, showcasing a minimum of 5°C (41°F) and an average of 16°C (61°F). Interestingly, October also boasts a higher maximum temperature of 29°C (84°F), compared to November's peak of 21°C (70°F). Precipitation is more pronounced in October, with 143 mm (5.6 in) recorded over 12 days, while November sees a reduction to 103 mm (4.0 in) across 9 days. Despite having slightly more precipitation, October maintains a lower humidity level at 74%, compared to November's 82%. For a closer look at October's weather specifics, check: Port Jefferson weather in October.
November tends to be milder with an average temperature of 9°C (49°F) and a maximum of 21°C (70°F), making it feel relatively comfortable compared to December. However, December brings colder temperatures, with an average of 5°C (40°F) and a maximum of only 17°C (62°F), indicating a more pronounced winter chill. Precipitation increases in December to 140 mm (5.5 in) over 11 days, compared to November’s 103 mm (4.0 in) over 9 days, leading to wetter conditions as the year comes to a close. For more localized details, you can check the Port Jefferson weather in December. Overall, while both months experience significant precipitation, December is notably cooler and wetter.
As November unfolds in Port Jefferson, the weather reveals a notable shift from the warmer months, embracing cooler temperatures and a distinct chill in the air. With average highs dipping to a mild 9°C, residents and visitors alike experience a refreshing transition into late autumn. The increase in precipitation, coupled with high humidity, creates an atmospheric backdrop that adds to the month's character, making it markedly different from the drier, warmer days of summer. The cozy vibes invite everyone to explore the charming town while enjoying the seasonal changes. For a deeper dive into the area's weather dynamics, check out Port Jefferson Climate.