February Weather in Port Jefferson, United States

Last updated: February 24, 2025

In February, Port Jefferson experiences a diverse weather palette, with temperatures ranging from a brisk -15°C (6°F) to a maximum of 15°C (58°F). The month averages around 2°C (36°F), setting the stage for a chilly yet dynamic winter scene. With 112 mm (4.4 in) of precipitation spread across 12 days, residents can expect a mix of rain and possible winter weather, contributing to an 82% humidity level that intensifies the cold. Whether you're drawn to winter sports or cozy indoor activities, February in Port Jefferson offers a captivating experience for all.

February Temperature in Port Jefferson

In February, Port Jefferson experiences a frigid chill, with temperatures mirroring the depths of winter as the minimum hovers around -15°C (6°F). The average temperature remains steady at a cool 2°C (36°F), while the highs reach up to 15°C (58°F), offering a hint of warmth as the month progresses. This pattern indicates a gradual transition towards spring, albeit still firmly grounded in winter's embrace. As February unfolds, you can sense the nascent whispers of change, with temperatures inching toward the milder conditions that March is set to bring, as evidenced by the slight uptick in average temperatures in the coming months. Overall, February serves as a crucial turning point, subtly preparing residents for the gradual thaw ahead.

February Weather in Port Jefferson: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Port Jefferson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353640485868757569614840
Data source: Temperature data for Port Jefferson generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in Port Jefferson

February in Port Jefferson sees a notable uptick in rainfall, with precipitation reaching 112 mm (4.4 in) over 12 days. This marks an increase from January's 80 mm (3.1 in) across only 8 days, highlighting a transition into a wetter winter period. As the month progresses, the precipitation levels begin to set the stage for spring, showcasing a significant rise compared to the previous month. This trend continues into March, which also experiences substantial rainfall, albeit slightly less at 104 mm (4.1 in). Overall, February acts as a bridge between the milder, drier winter days and the impending spring rains, emphasizing a pattern of increased moisture as the year unfolds.

February Precipitation Trends in Port Jefferson

The chart displays monthly precipitation patterns in Port Jefferson, with values for each month alongside February's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec801121041321198713110394143103140
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

February Humidity in Port Jefferson

In February, Port Jefferson experiences a slight decrease in humidity, dropping to 82% from January's 84%. This trend suggests a gradual shift towards drier conditions as the region approaches spring. Despite the change, February remains one of the more humid months, indicative of the lingering chill in the air. As temperatures begin to rise, humidity levels continue to decline in March, reaching 81%, signaling the transition into drier and more temperate spring weather. The overall trend from February into the following months hints at a steady decrease in humidity, paving the way for the refreshing, milder days of late spring and summer ahead.

February Average Humidity in Port Jefferson

This chart illustrates the average monthly humidity levels in Port Jefferson, with February's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how February's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in Port Jefferson

In February, Port Jefferson experiences a moderate UV Index of 5, comparable to January's index, which also stood at 3. While the burn time remains steady at 30 minutes, this slight uptick hints at the increasing intensity of sunlight as winter begins to wane. As we transition to March, the UV Index climbs to 6, entering the high exposure category, and signals the start of a gradual rise in UV radiation leading into spring. This trend continues into the ensuing months, with significantly higher indexes reaching 8 and 10, showcasing the importance of sun safety as the days get warmer. Keep an eye on the UV levels and stay informed about safe sun exposure practices through this detailed Port Jefferson UV Index.

Maximum UV Index Levels in Port Jefferson for February

The chart shows the monthly maximum UV Index (UVI) for Port Jefferson in February, 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.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
Data source: Port Jefferson February 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.

February Sunshine in Port Jefferson

As February arrives in Port Jefferson, residents can savor an increase in sunshine, with 180 hours of glorious daylight breaking through the winter chill. This uptick not only surpasses January's 154 hours but also sets the stage for a gradual ascent into spring. The following months showcase a remarkable trend, with March bursting forth at 258 hours, heralding longer and brighter days as the year unfolds. This transition is clear: February serves as a pivotal month, bridging the starkness of winter and the vibrant energy of spring, inviting all to embrace the growing warmth and light.

Monthly Sunshine Duration in Port Jefferson: February Highlighted

The February sunshine duration represents the total number of hours Port Jefferson experiences direct sunlight during the month of February, excluding cloudy or obstructed periods. This chart compares the sunshine duration of February with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec154h180h258h246h285h319h343h323h282h225h210h176h
Data source: Port Jefferson February Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Port Jefferson During February

February in Port Jefferson, United States, is typically characterized by a lower likelihood of sunny weather, with a mere 31% chance of sun. This marks a significant dip from January's more favorable 52%, indicating that winter's grip still holds strong during this month. As the seasons transition, March ushers in brighter days with a 58% chance of sunshine, suggesting a promising shift as spring approaches. Overall, February stands out as a time of gray skies, making those rare sunny days all the more cherished by locals.

Percentage of Sunny Days in February in Port Jefferson

The chart illustrates the percentage of sunny days in Port Jefferson throughout the year, with February 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 Port Jefferson experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%31%58%48%43%41%41%32%48%41%56%32%
Data source: Port Jefferson February chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Port Jefferson in February

As February unfolds in Port Jefferson, the length of daylight begins to noticeably increase, extending to 10 hours compared to January's 9 hours. This gradual gain not only hints at the arrival of spring but also sets the stage for the longer days ahead. Following February, daylight continues to advance rapidly, reaching 11 hours in March and surging to 13 hours in April. The pattern of lengthening days remains consistent as May and June bring even more sunlight, peaking at 15 hours in June before gradually tapering off in the summer months. This annual rhythm of daylight serves as a reminder of nature's cycles, inviting residents to embrace the warming days and the promise of longer, brighter evenings.

Average Daylight Hours in Port Jefferson for February

The chart illustrates the variation in daylight duration in Port Jefferson throughout the year, with February highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 38m11h 58m13h 19m14h 29m15h 3m14h 44m13h 43m12h 24m11h 3m9h 52m9h 16m
Data source: Port Jefferson daylight hours, calculated by summing the hours between sunrise and sunset for each day.

February Winds in Port Jefferson

In Port Jefferson, February maintains the trend set in January, with an average wind speed of 4.9 m/s (11 mph). This consistent windiness suggests that the area experiences a stable breezy environment during the winter months. As spring approaches in March, the wind speed remains unchanged, indicating a continuity in seasonal weather patterns. However, a gradual decline begins in April with average speeds dropping to 4.4 m/s (10 mph), signaling the onset of calmer conditions as we transition into warmer months. Overall, February serves as a subtle bridge between the gusty winter and the gentle breezes of spring, reinforcing the maritime charm of Port Jefferson.

Average February Wind Speed in Port Jefferson

The chart displays monthly wind speed patterns in Port Jefferson, with values for each month shown alongside February's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how February's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.04.9 m/s4.94.44.33.93.43.44.34.74.64.5
Data source: Port Jefferson February wind data, generated using information from the Copernicus Climate Change Service.

How February Weather in Port Jefferson Compares to Other Months

The weather in Port Jefferson changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of February'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.

In comparing February and January weather, both months exhibit similar minimum temperatures, with lows reaching -15°C (6°F). However, the average temperature in February is slightly higher at 2°C (36°F), compared to January's average of 2°C (35°F). Precipitation levels also rose in February, totaling 112 mm (4.4 in) over 12 days, in contrast to January's 80 mm (3.1 in) over 8 days. Additionally, February's humidity averages around 82%, slightly lower than January’s 84%. For a more detailed look at January's weather patterns, you can check Port Jefferson weather in January.

February and March exhibit notable differences in weather patterns. In February, temperatures range from a chilly minimum of -15°C (6°F) to a maximum of 15°C (58°F), resulting in an average of just 2°C (36°F). The month is characterized by higher precipitation, totaling 112 mm (4.4 in) over about 12 days, and a humidity level of 82%. In contrast, March brings milder temperatures with a minimum of -8°C (17°F) and a maximum of 19°C (67°F), leading to an average of 4°C (40°F). Precipitation decreases slightly to 104 mm (4.1 in) over 10 days, with a marginally lower humidity of 81%. For more detailed information, check Port Jefferson weather in March.

February weather is characterized by colder temperatures, with a minimum of -15°C (6°F) and an average of 2°C (36°F), while April sees a notable increase, with a minimum of -1°C (31°F) and an average of 9°C (49°F). The maximum temperatures in February reach only up to 15°C (58°F), whereas in April, they can climb to a pleasant 22°C (71°F). Precipitation levels are slightly higher in April, totaling 132 mm (5.2 in) over 12 days compared to 112 mm (4.4 in) in February, which also experiences 12 days of rainfall. Additionally, humidity levels drop from 82% in February to 78% in April. For more details on April's weather, check out Port Jefferson weather in April.

February and May present marked contrasts in weather conditions. In February, temperatures can plummet to a minimum of -15°C (6°F), with an average of 2°C (36°F) and a maximum reaching 15°C (58°F). The month is characterized by high humidity at 82% and notable precipitation of 112 mm (4.4 in) over 12 days. In contrast, May experiences milder temperatures, with a minimum of 3°C (37°F), an average of 14°C (58°F), and a pleasant maximum of 26°C (79°F). Though May has slightly more precipitation at 119 mm (4.7 in) over 13 days, the humidity levels drop significantly to 69%. For more details on the weather in May, visit Port Jefferson weather in May.

February and June present contrasting weather patterns, showcasing the seasonal transitions. In February, temperatures range from a frigid minimum of -15°C (6°F) to a mild maximum of 15°C (58°F), with an average temperature of 2°C (36°F). This month experiences considerable precipitation, totaling 112 mm (4.4 in) over 12 days, accompanied by high humidity levels at 82%. In stark contrast, June brings warmer conditions with minimum temperatures around 10°C (50°F) and maximums reaching 29°C (85°F), averaging 20°C (68°F). Precipitation declines to 87 mm (3.4 in) over just 9 days, and humidity drops to a more comfortable 69%. For more insights into the pleasant weather of June, check out Port Jefferson weather in June.

February and July present a striking contrast in weather. In February, temperatures can plunge as low as -15°C (6°F), with an average of 2°C (36°F), while July enjoys much warmer conditions, with minimum temperatures starting at 16°C (60°F) and averaging around 24°C (76°F). February experiences significant precipitation, totaling 112 mm (4.4 in) over 12 days, coupled with high humidity at 82%, whereas July sees slightly more precipitation at 131 mm (5.2 in) over the same number of days, with a lower humidity of 62%. For more specifics on the warm, summer climate, check out Port Jefferson weather in July.

February and August present contrasting weather experiences. In February, temperatures can drop as low as -15°C (6°F) and average around 2°C (36°F), while reaching a maximum of 15°C (58°F). This cold month also sees considerable precipitation, with 112 mm (4.4 in) falling over 12 days and higher humidity at 82%. In stark contrast, August enjoys milder temperatures with a minimum of 16°C (61°F), an average of 24°C (75°F), and highs reaching 31°C (88°F). With slightly less precipitation at 103 mm (4.0 in) over 11 days and lower humidity of 65%, August offers a much more comfortable climate. For specific details about weather conditions in this summer month, check Port Jefferson weather in August.

February and September present stark contrasts in weather conditions. February's temperatures can plunge to a chilling minimum of -15°C (6°F), with an average of just 2°C (36°F) and highs reaching a mere 15°C (58°F). This month also sees significant precipitation, totaling 112 mm (4.4 in) over approximately 12 days, accompanied by high humidity levels of 82%. In contrast, September offers a much milder climate, with temperatures ranging from a minimum of 11°C (52°F) to a comfortable average of 21°C (70°F) and maximums reaching up to 30°C (87°F). Total precipitation in September is lower at 94 mm (3.7 in) over about 10 days, with a more manageable humidity of 68%. For more insights on the weather during this vibrant month, you can check out Port Jefferson weather in September.

February and October present stark contrasts in weather patterns. February is characterized by much colder temperatures, ranging from a biting minimum of -15°C (6°F) to a mild maximum of 15°C (58°F), with an average temperature of just 2°C (36°F). In addition, February experiences high humidity levels at 82% along with significant precipitation of 112 mm (4.4 in) over 12 days. Conversely, October boasts a milder climate, with temperatures ranging from a comfortable minimum of 5°C (41°F) to a pleasant maximum of 29°C (84°F) and an average of 16°C (61°F). While October sees slightly higher precipitation at 143 mm (5.6 in) over the same number of days, the humidity is lower at 74%. For more insights into October weather, you can check Port Jefferson weather in October.

When comparing February and November weather, February tends to be colder, with temperatures ranging from a minimum of -15°C (6°F) to a maximum of 15°C (58°F) and an average of just 2°C (36°F). In contrast, November offers milder conditions, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 21°C (70°F) and an average of 9°C (49°F). Precipitation levels are similar, with February receiving 112 mm (4.4 in) over 12 days and November receiving 103 mm (4.0 in) over 9 days. Both months share the same humidity level of 82%, creating a damp atmosphere in either case. For more detailed information, you can refer to Port Jefferson weather in November.

When comparing the weather in February to December, February tends to be colder, with temperatures ranging from a minimum of -15°C (6°F) to an average of 2°C (36°F), peaking at a maximum of 15°C (58°F). In contrast, December's temperatures are slightly milder, with a minimum of -10°C (15°F), an average of 5°C (40°F), and a maximum of 17°C (62°F). Both months experience significant precipitation, with December receiving about 140 mm (5.5 in) across 11 days, while February sees around 112 mm (4.4 in) over 12 days. Humidity levels are relatively similar, with February at 82% and December at 80%. For more details on December weather, you can visit Port Jefferson weather in December.

Compare Port Jefferson's Climate with Cities Worldwide

Conclusion: What to Expect From February Weather in Port Jefferson

As February arrives in Port Jefferson, the weather offers a unique contrast to the mildness of other months. While the maximum temperatures can reach a pleasantly cool 15°C (58°F), the average chills at a mere 2°C (36°F), making it one of the colder months of the year. The stark minimum of -15°C (6°F) can catch residents off guard, especially amid the 112 mm (4.4 in) of precipitation that falls over approximately 12 days. With an average humidity of 82%, February feels damp and crisp. This mix of chill and wet weather distinguishes it from the warmer, drier months that follow. For more insights into weather patterns throughout the year, visit Port Jefferson Climate.