Last updated: February 24, 2025
May weather in Deer Isle, United States presents a delightful transition into spring, characterized by an average temperature of 9°C (49°F). With maximum temperatures reaching 17°C (64°F) and dipping to a cool 2°C (37°F), visitors can expect a refreshing climate. However, be prepared for the occasional rain, as the month boasts 105 mm (4.1 in) of precipitation spread across 11 days, resulting in a humidity level of 76%. This blend of cool temperatures and moderate rainfall nurtures the vibrant flora of the region, making May an enchanting time to explore the natural beauty of Deer Isle.
In May, Deer Isle begins to shake off the remnants of winter, welcoming a noticeable shift in temperatures that sets a cheerful tone for late spring. With minimums rising to 2°C (37°F) and averages reaching 9°C (49°F), residents and visitors alike can enjoy the mild weather, gradually moving towards the pleasant warmth of summer. The maximum temperature of 17°C (64°F) invites outdoor activities, as nature comes to life with blooming foliage and vibrant wildlife. This month marks a significant transition from the frigid conditions of earlier months, making it an ideal time to embrace the beauty of the island as it flourishes under the sun's warming rays.
In May, Deer Isle experiences a steady precipitation pattern, averaging 105 mm (4.1 in), which is consistent with the rainfall seen in February. This month is characterized by 11 rainy days, reflecting a moderate wetness as spring deepens. The precipitation levels in May align closely with April's heavier rainfall of 157 mm (6.2 in), yet show a decline as the area transitions into the drier months ahead. Overall, May serves as a bridge between the more intense spring showers and the lighter summer rains that follow, keeping the lush landscapes vibrant and thriving.
As spring transitions into summer, May in Deer Isle reveals a notable drop in humidity, falling to 76%. This marks a continued decline from the wetter winter months, where humidity levels peaked at 88% in January and February. April sees a gradual decrease to 81%, setting the stage for the more comfortable conditions that May brings. With the onset of warmer weather, June follows closely with a further reduction to 74%, aligning with the trend of lower humidity that characterizes the summer months. This shift not only enhances outdoor experiences but also signals the gradual arrival of a dryer climate as the season progresses.
In May, Deer Isle experiences a significant spike in the UV Index, registering at 9 and categorized as very high. This marks a notable increase from the previous months, transitioning from a high level of 7 in April to the enhanced exposure risk in May. As summer approaches, the burn time decreases dramatically to just 15 minutes, signaling the need for heightened sun protection. This trend of rising UV levels continues into June and July, with consistent UV Index readings of 9, highlighting a critical period for outdoor enthusiasts to be vigilant against sun exposure. For more insights on UV levels throughout the year, you can explore the Deer Isle UV Index.
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In Deer Isle, May marks a radiant transition as the sunshine hours peak at 286, paving the way for the vibrant glow of summer. As the days lengthen, this month showcases a delightful increase in sunlight compared to the 238 hours enjoyed in April, illustrating a clear trend of expanding daylight. Following the upward trajectory, the sunshine hours continue to rise, reaching their zenith in August with 325 hours. This progression underscores the region's enchanting ability to emerge from winter's grasp, with each month building anticipation for the sunny days ahead, while September begins to gently taper off, reminding us of the fleeting beauty of summer's warmth. Overall, May's abundant sunshine invites both residents and visitors alike to revel in the splendor of nature coming to life.
In Deer Isle, United States, the likelihood of sunny weather in May stands at a modest 35%, aligning closely with the shades of previous months like February and April. While March sets a brighter tone with a 55% chance of sunshine, the shift into warmer months sees a slight dip in the odds, as both June and the peak summer months of July and August offer even lower probabilities. Interestingly, as we approach the fall, September and October rebound to better expectations at 42% and 43%, respectively, suggesting that clear skies may not be as elusive later in the year. Overall, while May doesn’t promise a sun-soaked experience, it's part of a broader seasonal pattern where hope for clearer days fluctuates with the months.
As spring blossoms into summer in Deer Isle, May brings an inviting 14 hours of daylight, a noticeable increase from the 13 hours logged in April. This surge in sunlight not only enhances the beauty of the natural surroundings but also invites both residents and visitors outdoors to relish in longer, sunlit days. Following May, the daylight peaks at 15 hours in June and July, making this period ideal for various activities and exploration. As summer wanes into autumn, daylight begins its gradual decline, dwindling back to 12 hours in September before dipping further. The transition throughout the year illustrates a beautiful rhythm of light, with May standing out as a pivotal month that bridges the vibrant energy of spring and the warmth of summer.
In May, Deer Isle experiences a gentle shift in wind patterns, with an average speed of 5.5 m/s (12 mph), marking a notable decrease compared to the brisker months of winter and early spring. This decline in wind speed from March's 7.7 m/s (17 mph) to May's calm breezes suggests a transition into the warmer season, where maritime air influences create a more serene atmosphere. As spring blossoms, the winds gradually ease, setting a tranquil backdrop perfect for outdoor activities and enjoying the scenic coastline. Following May, the winds remain relatively mild into June (5.7 m/s or 13 mph), hinting at a summer characterized by comfortable breezes rather than the gusty conditions of previous months. This creates an inviting environment for residents and visitors alike, ready to embrace the leisurely pace of island life.
The weather in Deer Isle 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 Deer Isle and find detailed weather information for every month.
May and January present starkly contrasting weather patterns. In May, temperatures range from a chilly 2°C (37°F) at night to a pleasant 17°C (64°F) during the day, while January experiences much colder conditions, with temperatures dipping as low as -17°C (2°F) and only reaching a maximum of 10°C (50°F). Additionally, both months see similar levels of precipitation, with May bringing 105 mm (4.1 in) across 11 days and January slightly higher at 108 mm (4.3 in) over 9 days. Humidity levels also differ, with January typically more humid at 88% compared to May’s 76%. For a detailed look at January weather in Deer Isle, you can check out Deer Isle weather in January.
When comparing the weather in February and May, it's clear that the two months present vastly different climates. February experiences much colder temperatures, with a minimum of -15°C (6°F) and an average around -1°C (30°F), while May sees a noticeable warming trend with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 17°C (64°F). Interestingly, both months receive the same amount of precipitation, totaling 105 mm (4.1 in) over 11 days, but February's higher humidity of 88% contributes to a chillier feeling compared to May's 76%. For more details on February weather, you can explore Deer Isle weather in February.
When comparing the weather in March and May, it's clear that May experiences a significant warming trend. In March, temperatures range from a chilly minimum of -15°C (6°F) to a max of 10°C (50°F), while May offers milder conditions with temperatures ranging from 2°C (37°F) to a delightful 17°C (64°F). Precipitation is slightly higher in May at 105 mm (4.1 in) over 11 days, compared to March's 84 mm (3.3 in) over 9 days, indicating a wetter late spring. Furthermore, March holds a higher humidity level at 85%, compared to May's 76%, making May feel more comfortable overall. For further details, you can check out Deer Isle weather in March.
In comparing the weather of April and May, we observe a noticeable warming trend. In April, temperatures range from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), with an average of 5°C (41°F), while May sees a more moderate temperature spectrum, with a minimum of 2°C (37°F) and a maximum of 17°C (64°F), averaging 9°C (49°F). Precipitation in April is higher, totaling 157 mm (6.2 in) over 13 days, compared to May's 105 mm (4.1 in) over 11 days. Additionally, humidity is slightly lower in May at 76%, compared to April's 81%. For more details on the weather during this time, you can check out Deer Isle weather in April.
In comparing the weather between May and June, we see a noticeable increase in temperatures. May experiences a cooler range with minimums around 2°C (37°F) and average highs of 17°C (64°F), while June warms up with minimums of 8°C (46°F) and average highs reaching 20°C (69°F). Precipitation is also slightly lower in June, with 87 mm (3.4 in) over 9 days compared to May's 105 mm (4.1 in) across 11 days. Humidity levels remain relatively similar, with May at 76% and June slightly lower at 74%. For more specific details on June weather, you can refer to Deer Isle weather in June.
May and July offer distinct weather experiences. In May, temperatures are cooler, ranging from a minimum of 2°C (37°F) to a maximum of 17°C (64°F), with an average of 9°C (49°F). The month sees considerable precipitation totaling 105 mm (4.1 in) over 11 days, and the humidity is relatively high at 76%. In contrast, July enjoys milder temperatures, with a minimum of 12°C (54°F), an average of 16°C (62°F), and a maximum of 22°C (72°F). The month is slightly drier, experiencing 92 mm (3.6 in) of precipitation over just 10 days and a marginally lower humidity of 74%. For more detailed information on July's weather, you can visit Deer Isle weather in July.
May and August present contrasting weather patterns, with May characterized by cooler temperatures and higher humidity. In May, temperatures range from a chilly minimum of 2°C (37°F) to a maximum of 17°C (64°F), with an average of 9°C (49°F) and substantial precipitation of 105 mm (4.1 in) over 11 days. In contrast, August offers a much warmer climate, featuring a minimum of 13°C (57°F) and a maximum of 23°C (73°F), with an average temperature of 18°C (64°F). Additionally, August sees less rainfall at 86 mm (3.4 in) over 8 days and slightly lower humidity at 74%. For a detailed look at August weather, you can check Deer Isle weather in August.
May and September exhibit distinct differences in weather patterns. In May, temperatures range from a chilly 2°C (37°F) at night to a mild 17°C (64°F) during the day, with an average of 9°C (49°F). The month is characterized by higher precipitation, totaling 105 mm (4.1 in) over about 11 days, and a humidity level of 76%. In contrast, September offers more pleasant temperatures, with nighttime lows of 9°C (48°F) and daytime highs reaching 22°C (72°F), averaging 16°C (60°F). Rainfall is slightly less, with 102 mm (4.0 in) over just 8 days, and humidity remains comparable at 77%. For a closer look at September weather, visit Deer Isle weather in September.
May and October present somewhat similar temperature ranges, with May averaging 9°C (49°F) and October slightly warmer at 12°C (54°F). Both months experience cool minimum temperatures, with May starting at 2°C (37°F) and October at 2°C (35°F). However, October sees a higher maximum temperature peaking at 18°C (65°F), compared to May's 17°C (64°F). Precipitation levels are notably different; October is wetter with 145 mm (5.7 in) of rainfall over 12 days, while May has 105 mm (4.1 in) over 11 days. Humidity levels are also higher in October at 82%, versus May's 76%. For more detailed information, you can check Deer Isle weather in October.
In comparing the weather of May and November, it’s clear that each month offers distinct conditions. May experiences milder temperatures with a minimum of 2°C (37°F) and an average of 9°C (49°F), while November sees cooler temperatures, featuring a minimum of -11°C (13°F) and an average of 6°C (43°F). Both months have a similar maximum temperature, with May reaching up to 17°C (64°F) and November peaking at 16°C (62°F). However, November is characterized by slightly higher precipitation, totaling 138 mm (5.4 in) over 12 days compared to May's 105 mm (4.1 in) over 11 days. Humidity levels also increase in November, reaching 85% compared to May's 76%. For more details, you can check Deer Isle weather in November.
May and December present a stark contrast in weather conditions. In May, temperatures range from a mild 2°C (37°F) to a comfortable 17°C (64°F), accompanied by an average of 105 mm (4.1 in) of rainfall over approximately 11 days, resulting in a relatively humid atmosphere with 76% humidity. In contrast, December experiences much colder temperatures, with a minimum of -17°C (2°F) and a maximum of 13°C (56°F). This month is wetter, with 155 mm (6.1 in) of precipitation spread over 12 days and higher humidity levels at 84%. For a closer look at December weather specifics, you can check out Deer Isle weather in December.
As May unfolds in Deer Isle, temperatures begin to rise, providing a refreshing contrast to the cooler months preceding it. With warmer days averaging around 9°C, residents experience a gentle transition into spring, where the landscape starts to burst with life. While precipitation is still present, with nearly half the month seeing some rain, the overall ambiance shifts from the starkness of winter to a more vibrant, lush environment. The increased humidity further enhances the rejuvenating feel of the season, making it a delightful time for outdoor activities. For those interested in understanding how May's weather patterns contribute to the overall climate, you can explore more at Deer Isle Climate.