Last updated: February 24, 2025
In May, Sag Harbor experiences a mild maritime climate characterized by pleasant temperatures and significant rainfall. With a maximum of 20°C (69°F) and an average of 12°C (54°F), days are generally comfortable, while the minimum can dip to 4°C (39°F), particularly in the early mornings. The month sees an average precipitation of 129 mm (5.1 in) spread over about 13 days, leading to a humidity level of approximately 75%. This combination of warmth and moisture contributes to the region's lush greenery and vibrant spring atmosphere, making it an appealing destination for outdoor enthusiasts and nature lovers alike.
As May arrives in Sag Harbor, the transition to spring is palpable, marked by a delightful increase in temperatures. The month begins with a minimum of 4°C (39°F), climbing to a comfortable 20°C (69°F) at its peak, with an average of 12°C (54°F). This upward trend from April's chill, where temperatures ranged from 0°C (33°F) to 16°C (61°F), is a clear indication of the region shaking off the cold grip of winter. By this time of year, residents and visitors can enjoy milder evenings and sunny afternoons, making May an ideal period for outdoor activities and exploration. The consistent warming signals a beautiful shift towards summer, inviting all to bask in the charm of Sag Harbor's blossoming landscapes.
In May, Sag Harbor experiences a moderate precipitation total of 129 mm (5.1 in) spread over 13 days, maintaining the trend of increased rainfall typical of the spring season. This volume is slightly less than April's 137 mm (5.4 in), suggesting a gentle transition towards drier conditions as summer approaches. Despite the decrease in total rainfall compared to the previous month, the number of precipitation days remains consistent, reflecting a reliable pattern of rain that nurtures the blooming landscapes. As the region gears up for warmer days, the gradual decline in precipitation hints at the arrival of sunnier skies, promising a vibrant and lush environment as nature fully embraces the season.
As spring gives way to summer in Sag Harbor, May sees a notable drop in humidity, falling to 75%, the lowest level since early fall. This decrease reflects a gradual trend of diminishing humidity beginning in April, when levels reached 79%. While most of the year experiences high humidity, particularly in the winter months hovering around 84%, May ushers in a refreshing shift that paves the way for warmer days ahead. As June approaches, humidity levels will subtly rise again, emphasizing the area's characteristic fluctuation throughout the seasons. This gentle ebb and flow of humidity not only shapes the local climate but also enhances the vibrant summer experiences that Sag Harbor has to offer.
As summer approaches, Sag Harbor sees a notable surge in UV radiation, with May registering a UV Index of 9, indicating a very high exposure category. This sharp increase from April's 8 reflects the intensifying sun, mandating that outdoor enthusiasts be cautious with a burn time of just 15 minutes. Following the trend, June and July will peak with an index of 10, suggesting that protective measures are crucial for skin health. As the months progress, August will slightly ease back to 9, but the very high exposure persists. For the upcoming sunny days, it's essential to stay informed and protected. To explore the UV Index and details for each month, visit Sag Harbor UV Index.
UV Risk Categories
May shines brightly in Sag Harbor, United States, with 291 hours of glorious sunshine, marking a delightful peak as the days grow longer and warmer. This month experiences a significant boost from the preceding April's 250 hours, showcasing the encouraging trend of increasing sunshine as spring transitions into summer. The gradual climb from a modest 153 hours in January to May's vibrant display illustrates nature's awakening, with sunshine steadily intensifying, culminating in the sun-drenched days of summer that follow. As temperatures rise and the landscape bursts into full bloom, May stands out as a particularly luminous month in Sag Harbor, inviting residents and visitors alike to bask in its warmth and beauty.
In Sag Harbor, the likelihood of sunny weather tends to fluctuate throughout the year, with May offering a moderate 45% chance of sunshine. This mirrors the patterns seen in April and July, both at 49%, indicating a slight decrease as spring transitions into summer. Interestingly, the sunshine probability is notably higher in March at 59%, suggesting that the tail end of winter can occasionally surprise us with brighter days. As the months progress to June with its 41% chance, the overall trend reveals an inconsistent yet intriguing dance of sunshine, making each sunny day in May feel like a delightful treasure amidst the variable skies.
As spring blossoms into summer, Sag Harbor basks in an energizing increase in daylight duration. In May, the average daylight stretches to an impressive 14 hours, marking a significant shift from the shorter days of earlier months. This gradual ascent, starting with just 9 hours in January, progresses steadily through the spring, culminating in June's peak of 15 hours. The pattern reveals a rhythmic cycle where each month builds upon the last, inviting residents and visitors alike to relish longer evenings and vibrant outdoor activities. By mid-summer, daylight begins to wane slightly, with the 14 hours of July transitioning back into the 12 hours of September, yet the lingering warmth of May’s brilliance continues to resonate throughout the season.
In Sag Harbor, the month of May marks a subtle transition in wind patterns, with average speeds dipping to 6.0 m/s (14 mph), a slight decrease from the breezier early spring months. During April, strong gusts at 6.2 m/s (14 mph) still linger, but by May, the winds begin to mellow, setting the stage for the summer months ahead. This trend continues into June, where the average wind speed further decreases to 5.6 m/s (13 mph), hinting at the calmer, more serene conditions typical of the summer season. Interestingly, after a steady decline throughout the summer, wind speeds pick up slightly in the fall, reflecting a dynamic climatic shift that characterizes this picturesque coastal region.
The weather in Sag Harbor changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May'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 May and January, it’s clear that these months present markedly different climates. May experiences milder temperatures, with an average of 12°C (54°F), reaching up to a maximum of 20°C (69°F), while January is significantly colder, averaging around 2°C (37°F) and peaking at 13°C (56°F). Additionally, May brings about 129 mm (5.1 in) of precipitation over 13 days, whereas January has less precipitation at 89 mm (3.5 in) across only 9 days. Humidity levels in May are around 75%, slightly lower than the higher humidity of 84% typical in January. For a more detailed look at January weather, you can visit Sag Harbor weather in January.
May and February present starkly contrasting weather conditions. In May, temperatures range from a chilly minimum of 4°C (39°F) to a pleasant maximum of 20°C (69°F), with an average of 12°C (54°F). The month sees around 129 mm (5.1 in) of precipitation over 13 days, while humidity hovers at 75%. In contrast, February is much colder, with temperatures dipping as low as -12°C (11°F) and averaging just 3°C (37°F). Although February experiences slightly less precipitation at 123 mm (4.8 in) over 11 days, it has higher humidity levels at 84%. For more detailed information, check out Sag Harbor weather in February.
When comparing the weather in March and May, noticeable differences emerge. March experiences colder temperatures, with a minimum of -7°C (20°F) and an average of only 4°C (39°F), while May offers a milder range, starting at 4°C (39°F) and averaging 12°C (54°F). Precipitation levels are somewhat comparable, with March totaling 113 mm (4.5 in) over 10 days, while May sees a slightly higher amount of 129 mm (5.1 in) across 13 days. Additionally, humidity is higher in March at 82%, compared to May's 75%. For a closer look at Sag Harbor's March weather, you can visit this link: Sag Harbor weather in March.
In May, the weather shows a notable increase in temperature compared to April, with minimums rising from 0°C (33°F) in April to 4°C (39°F) and average temperatures climbing from 8°C (47°F) to 12°C (54°F). The maximum temperature also sees an improvement, reaching up to 20°C (69°F) in May, compared to 16°C (61°F) in April. However, both months experience significant precipitation, with May recording 129 mm (5.1 in) over 13 days, slightly less than April's 137 mm (5.4 in) over 12 days. Humidity levels decrease slightly from 79% in April to 75% in May, indicating a gradual shift toward drier conditions. For a more detailed look at April's conditions, check out Sag Harbor weather in April.
In comparing the weather of May and June, you can see a distinct transition towards warmer temperatures and reduced rainfall. May features a minimum temperature of 4°C (39°F), with an average of 12°C (54°F) and a maximum of 20°C (69°F), accompanied by a high precipitation level of 129 mm (5.1 in) over 13 days. In contrast, June enjoys a milder climate with minimum temperatures rising to 11°C (52°F), an average of 18°C (64°F), and reaching a maximum of 24°C (75°F). Additionally, June sees a significant decrease in precipitation, totaling 72 mm (2.9 in) over just 8 days. The humidity also remains fairly consistent, slightly increasing from May to June at 75% and 78% respectively. For more specific details on June weather patterns, you can check out Sag Harbor weather in June.
May and July present quite a contrast in weather patterns. In May, temperatures range from a chilly 4°C (39°F) at night to a mild 20°C (69°F) during the day, with an average of 12°C (54°F). The month is also characterized by higher precipitation, totaling 129 mm (5.1 in) over about 13 days, coupled with a humidity level of 75%. In contrast, July offers warmer temperatures, with nighttime lows of 16°C (61°F) and daytime highs reaching 28°C (82°F), averaging around 22°C (72°F). Precipitation decreases in July to 99 mm (3.9 in) spread over just 10 days, while humidity remains relatively consistent at 76%. This shift from the cool, wetter days of May to the warm, drier climate of July is quite notable. For more detailed information, you can refer to Sag Harbor weather in July.
May and August exhibit quite different weather patterns, highlighting the transition from spring to summer. In May, temperatures range from a cool minimum of 4°C (39°F) to a comfortable maximum of 20°C (69°F), with an average of 12°C (54°F). The month experiences significant precipitation, with 129 mm (5.1 in) falling over 13 days, while humidity remains relatively high at 75%. In contrast, August brings warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 27°C (80°F), averaging around 23°C (73°F). This month experiences less precipitation at 103 mm (4.0 in) over only 9 days, and humidity slightly increases to 76%. For further details, check out Sag Harbor weather in August.
May and September present contrasting weather patterns as spring transitions into fall. In May, temperatures range from a chilly 4°C (39°F) at the lowest to a comfortable 20°C (69°F) at the highest, with an average of 12°C (54°F). The month sees considerable precipitation, totaling 129 mm (5.1 in) over 13 days, contributing to humidity levels that hover around 75%. In comparison, September enjoys more consistently warmer weather, with temperatures ranging from a minimum of 12°C (55°F) to a maximum of 26°C (79°F) and an average of 20°C (69°F). The month is also drier, with only 99 mm (3.9 in) of precipitation over 10 days, while maintaining the same humidity level of 75%. For more on the September climate specifics, check out Sag Harbor weather in September.
When comparing the weather in May and October, both months exhibit a similar humidity level of 75%, contributing to a comfortable feel in the air. However, May tends to be cooler, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 20°C (69°F), while October sees a rise in temperature, averaging between 5°C (42°F) and 24°C (75°F). Precipitation is slightly higher in October, with 160 mm (6.3 in) over 14 days, compared to May's 129 mm (5.1 in) over 13 days. For more specific details, you can visit Sag Harbor weather in October.
May and November present contrasting weather patterns. In May, the temperatures range from a minimum of 4°C (39°F) to a comfortable maximum of 20°C (69°F), with an average temperature of 12°C (54°F). The month is relatively wet, receiving about 129 mm (5.1 in) of precipitation over 13 days, and the humidity levels are around 75%. In contrast, November experiences cooler temperatures, with a minimum dipping to -5°C (24°F) and a maximum of 19°C (67°F), resulting in an average of 10°C (50°F). While it is slightly drier with 113 mm (4.4 in) of precipitation on 10 days, November's humidity increases to 80%. For more details on December conditions, you can explore Sag Harbor weather in November.
May and December offer strikingly different weather patterns. In May, temperatures typically range from a minimum of 4°C (39°F) to a comfortable average of 12°C (54°F), peaking at 20°C (69°F). The month experiences moderate precipitation of 129 mm (5.1 in) over about 13 days, accompanied by a humidity level of 75%. In contrast, December's temperatures are much colder, with a minimum of -9°C (16°F) and an average of 5°C (42°F), reaching a maximum of 16°C (61°F). Precipitation is slightly higher at 147 mm (5.8 in) over 12 days, and humidity increases to 80%. For more details about December weather, check out Sag Harbor weather in December.
As spring unfolds in Sag Harbor, May brings a noticeable shift in weather patterns compared to the chillier months leading up to it. With gradually rising temperatures, the average warmth invites outdoor activities, while the increased humidity can add a touch of stickiness to the air. While May sees a fair share of rainfall, it marks the beginning of a transition toward the warmer, sunnier days of summer. This blend of pleasant warmth and refreshing showers enhances the vibrant foliage and blooming flowers, making it an ideal time to explore the beauty of this charming harbor town. For a deeper dive into the weather trends throughout the year, visit Sag Harbor Climate.