Last updated: February 24, 2025
January in Sag Harbor presents a striking contrast of temperatures, with a maximum of 13°C (56°F) and a chilling minimum of -13°C (8°F). The average temperature hovers around 2°C (37°F), creating a brisk winter atmosphere. Precipitation is notable this month, with about 89 mm (3.5 in) falling over 9 days, contributing to the region's characteristic winter landscape. Coupled with a humidity level of 84%, January invites residents and visitors alike to embrace the season's cold embrace while exploring the serene beauty of this coastal gem.
In Sag Harbor, January brings a stark chill, with temperatures dipping as low as -13°C (8°F), while averaging around 2°C (37°F) and peaking at 13°C (56°F). As winter progresses into February, the mercury sees only a slight rise, maintaining a similar feel with lows of -12°C (11°F) and highs around 12°C (53°F). However, by March, a gradual warming trend begins, hinting at the approaching spring, with temperatures ranging from -7°C (20°F) to 15°C (59°F). As the months transition, Sag Harbor experiences a steady ascent in temperatures through April and May, culminating in the pleasant warmth of summer with average highs climbing to 20°C (69°F) by late spring. This gradual thaw and subsequent rise not only mark the transition of seasons but also set the stage for the vibrant life that characterizes this charming coastal town.
In January, Sag Harbor experiences an average precipitation of 89 mm (3.5 in) over approximately 9 days, marking the month as relatively wet but not the rainiest of the year. This sets the tone for a gradual increase in rainfall heading into February and March, where precipitation rises to 123 mm and 113 mm, respectively. Interestingly, the trend continues into the spring months, with April seeing an uptick to 137 mm (5.4 in) over 12 days. As summer approaches, precipitation decreases to 72 mm (2.9 in) in June, followed by a modest rise in July and August. This summer dip highlights a seasonal pattern, culminating in a peak of 160 mm (6.3 in) in October, which often brings the year’s highest rainfall. Overall, January serves as a precursor to the wetter months ahead while showcasing the region's dynamic transition between seasons.
In Sag Harbor, January ushers in a consistent humidity level of 84%, mirroring that of February, which sets a damp and cool tone for the winter months. As the seasons progress, we notice a gradual decline in humidity, with March dropping to 82% and April dipping further to 79%. By the time May arrives, humidity stabilizes around 75%, a trend that continues through the summer, maintaining a comfortable atmosphere in the warmer months of July and August. Interestingly, a slight uptick is observed in the fall, with November and December nudging back up to 80%, creating a cozy yet humid environment as the year concludes. Overall, the data reveals a remarkable stability in Sag Harbor’s humidity, dominated by higher levels in the winter and a light, refreshing drop as the year progresses.
In January, Sag Harbor experiences a moderate UV Index of 3, indicating a burn time of approximately 30 minutes for fair-skinned individuals. As winter progresses into February, the UV Index rises to 5, still within the moderate exposure category. This gradual increase continues into March, where the index reaches 6, signaling the onset of higher exposure with a burn time dropping to just 25 minutes. As we transition into the spring months, the upcoming April and May see significantly higher values, peaking at 8 and 9 respectively, both classified as very high, highlighting the need for sun protection as burn times shrink to just 15 minutes. This trend persists through the summer, with July and June also reaching a maximum of 10. After this peak, the UV Index begins to decline, dropping to 8 in September and 6 in October, before further retreating to a moderate 4 in November and a low 2 in December. This seasonal pattern underscores the importance of vigilance against UV exposure, especially in the spring and summer months. For more detailed insights, you can explore the Sag Harbor UV Index.
UV Risk Categories
January in Sag Harbor offers a cozy 153 hours of sunshine, setting the stage for a gradual increase in daylight as winter melts into spring. By February, sunny days begin to stretch with 185 hours, hinting at brighter moments ahead. As we welcome March, the sun truly comes alive, pouring in 261 hours of golden light, and this momentum carries through to April’s 250 hours, creating a vibrant atmosphere. The trend continues, peaking in July with a dazzling 349 hours, providing the quintessential summer experience. As summer retreats, August retains much of this warmth with 327 hours, while September sees a gentle decline to 281 hours. The autumn months reveal a softer light, tapering off to 229 hours in October and 208 hours in November, before the year closes with 177 hours in December. This annual arc of sunshine not only mirrors the changing seasons but also invites residents and visitors alike to bask in Sag Harbor's evolving charm throughout the year.
In Sag Harbor, January brings a 49% chance of sunny weather, placing it in a favorable position compared to several months in the subsequent winter and early spring. Interestingly, this likelihood remains consistent with April's sunny prospects, suggesting that as winter transitions into spring, residents can reasonably expect a fair share of sunshine. However, the sun takes a step back in February, dropping to just 31%, before making a comeback in March with a 59% chance of clear skies. Notably, the sunniest months are primarily clustered in the transition into spring, hinting at an uplifting trend as the year progresses.
In Sag Harbor, United States, the month of January marks the beginning of a gradual increase in daylight hours, with approximately 9 hours of daylight. As winter transitions into spring, the days lengthen noticeably, culminating in a bright April with 13 hours of sunlight. This upward trend continues into the vibrant month of June, where residents enjoy up to 15 hours of daylight, the peak for the year. Following this, daylight hours begin to taper off, with July still basking in 14 hours before descending again into December, where daylight dwindles back to 9 hours. This natural ebb and flow of daylight not only shapes the seasonal activities but also enriches the community's experience throughout the year.
In January, Sag Harbor experiences its windiest month, with an average wind speed of 7.3 m/s (16 mph), setting the tone for the winter season. The winds remain consistent into February, retaining the same brisk pace. However, as spring approaches, a gradual decline is observed, with March's average dipping to 6.9 m/s (15 mph) and continuing down to 6.2 m/s (14 mph) by April. This trend of decreasing wind speeds continues through early summer, bottoming out at 4.8 m/s (11 mph) in July, marking the calmest period of the year. As summer gives way to autumn, the winds begin to pick up again, with September recording a slight rise to 6.1 m/s (14 mph). The transition into winter sees an increase in wind speeds, stabilizing at around 6.6 to 6.8 m/s (15 mph) in the closing months of the year. Overall, January’s lively winds set the stage for a dynamic shift throughout the seasons, capturing the essence of Sag Harbor’s varied landscape.
The weather in Sag Harbor changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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.
January and February exhibit similar weather patterns, with January typically experiencing slightly colder temperatures. In January, the minimum temperature drops to -13°C (8°F), while February only dips to -12°C (11°F). The average temperature rises slightly in February to 3°C (37°F) compared to January's average of 2°C (37°F). February also sees an increase in precipitation, totaling 123 mm (4.8 in) over 11 days, compared to January's 89 mm (3.5 in) over 9 days. Humidity remains consistent in both months at 84%. For more specific information about the weather conditions in February, you can check Sag Harbor weather in February.
In January, the weather is typically colder, with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 13°C (56°F) and an average of 2°C (37°F). The month also sees significant precipitation of 89 mm (3.5 in) over approximately 9 days, coupled with relatively high humidity at 84%. In contrast, March brings a gradual warming trend, with temperatures ranging from -7°C (20°F) to 15°C (59°F) and an average of 4°C (39°F). Although March experiences slightly more precipitation at 113 mm (4.5 in) over 10 days, the humidity decreases slightly to 82%. For a more detailed look at the weather in March, visit Sag Harbor weather in March.
In January, temperatures are significantly colder, with minimums reaching -13°C (8°F) and an average of only 2°C (37°F), while April sees a more moderate climate with minimums around 0°C (33°F) and an average of 8°C (47°F). Precipitation is higher in April at 137 mm (5.4 in) compared to January's 89 mm (3.5 in), and the number of rainy days also increases slightly from 9 days in January to 12 days in April. Humidity remains relatively high in both months, but January experiences a slightly higher level at 84%, while April's humidity is at 79%. For a closer look at what to expect, check out Sag Harbor weather in April.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 13°C (56°F) and an average of 2°C (37°F). The month brings significant precipitation, averaging 89 mm (3.5 in) over about 9 days, accompanied by relatively high humidity at 84%. In contrast, May showcases a warmer climate with temperatures starting at a minimum of 4°C (39°F) and reaching up to 20°C (69°F), averaging around 12°C (54°F). However, it experiences more precipitation, totaling 129 mm (5.1 in) over approximately 13 days and a lower humidity level of 75%. For more detailed information about weather conditions, you can visit Sag Harbor weather in May.
In January, the weather is characterized by much colder temperatures, with a minimum of -13°C (8°F) and an average of only 2°C (37°F), while highs can reach up to 13°C (56°F). Humidity is relatively high at 84%, and the month experiences about 89 mm (3.5 in) of precipitation over nine days. In contrast, June brings a significant warming, with minimum temperatures around 11°C (52°F) and average highs reaching 24°C (75°F), ensuring a more comfortable climate. June also has lower precipitation levels at 72 mm (2.9 in) over eight days and modest humidity at 78%. For more details, you can check out the Sag Harbor weather in June.
In January, the weather is quite cold, with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 13°C (56°F), and an average temperature of around 2°C (37°F). The month sees significant precipitation of 89 mm (3.5 in) over approximately 9 days and a high humidity level of 84%. In stark contrast, July enjoys much warmer conditions, with minimum temperatures of 16°C (61°F) and a maximum of 28°C (82°F), giving it an average temperature of 22°C (72°F). Although July has slightly more precipitation at 99 mm (3.9 in) over 10 days, the humidity drops to 76%. For more detailed insights, check out Sag Harbor weather in July.
January and August present a stark contrast in weather conditions. In January, temperatures can plunge as low as -13°C (8°F), with an average temperature of 2°C (37°F) and a maximum of 13°C (56°F). The month experiences significant precipitation, totaling 89 mm (3.5 inches) over about 9 days, accompanied by a high humidity level of 84%. In contrast, August brings much milder weather with minimum temperatures around 17°C (63°F) and an average of 23°C (73°F), peaking at 27°C (80°F). While precipitation slightly increases to 103 mm (4.0 inches) over the same number of rainy days, humidity drops to 76%, making for a more comfortable atmosphere. For more details, see Sag Harbor weather in August.
The weather in January contrasts sharply with that of September. In January, temperatures can plunge to a chilling -13°C (8°F) during the night, with an average temperature hovering around 2°C (37°F). In comparison, September brings much milder conditions, with lows only dropping to 12°C (55°F) and average temperatures reaching a pleasant 20°C (69°F). While January experiences approximately 89 mm (3.5 in) of precipitation over about 9 days, September sees slightly more rain at 99 mm (3.9 in) across 10 days. Additionally, January's high humidity at 84% makes the cold feel even harsher, whereas September's humidity at 75% feels more comfortable. For more details on the September climate, check out Sag Harbor weather in September.
In comparing the weather of January and October, we see a stark contrast in temperatures and precipitation patterns. January often features much colder conditions, with average temperatures hovering around 2°C (37°F) and minimums plummeting to -13°C (8°F). In contrast, October enjoys a milder climate, with average temperatures reaching 16°C (61°F) and highs peaking at 24°C (75°F). While January has relatively low precipitation with 89 mm (3.5 in) over about 9 days, October experiences a notable increase in rainfall, totaling 160 mm (6.3 in) over 14 days. Additionally, January's higher humidity at 84% contributes to the chilly feel, compared to October's more comfortable 75%. For more details, check out Sag Harbor weather in October.
January and November present contrasting weather patterns. In January, temperatures can plunge as low as -13°C (8°F) with an average of just 2°C (37°F) and can reach a maximum of 13°C (56°F). This month has 89 mm (3.5 in) of precipitation over 9 days and a high humidity level of 84%. In contrast, November experiences milder temperatures, ranging from a low of -5°C (24°F) to an average of 10°C (50°F), peaking at 19°C (67°F). Although November has slightly more precipitation at 113 mm (4.4 in) over 10 days, it features a lower humidity of 80%. For more details on November weather, check Sag Harbor weather in November.
January and December in Sag Harbor exhibit distinct weather patterns. In January, temperatures range from a minimum of -13°C (8°F) to a maximum of 13°C (56°F), averaging around 2°C (37°F). The month sees a significant amount of precipitation at 89 mm (3.5 in) over approximately 9 days, accompanied by high humidity levels of 84%. In contrast, December experiences milder temperatures, with a minimum of -9°C (16°F) and a maximum of 16°C (61°F), averaging 5°C (42°F). This month is wetter, with 147 mm (5.8 in) of precipitation spread over 12 days and slightly lower humidity at 80%. For more details, check out Sag Harbor weather in December.
As January settles over Sag Harbor, the weather showcases a distinct chill that sets it apart from other months. With temperatures dipping noticeably lower, this month experiences cooler averages and occasional icy lows, while the high humidity adds a biting edge to the cold. Despite some rain, the snowfall is less frequent, creating a wintry mix that characterizes the season. The combination of crisp air and the potential for stunning winter vistas invites both residents and visitors to embrace the serene beauty of Sag Harbor in January. For a deeper understanding of the patterns throughout the year, explore the Sag Harbor Climate.