Last updated: February 24, 2025
April in Deer Isle, United States, brings a blend of crisp temperatures and variable weather. The maximum temperature hovers around 14°C (57°F), while the average dips to 5°C (41°F), with nighttime lows reaching a chilly -3°C (27°F). This month experiences significant precipitation, totaling 157 mm (6.2 in) over about 13 rainy days, enveloping the island in a blanket of humidity at 81%. Residents and visitors alike can expect a typical spring climate, perfect for embracing the beauty of nature while preparing for the warmer months ahead.
In April, Deer Isle experiences a noticeable shift as winter recedes, with temperatures gradually warming up. The minimum temperature rises to -3°C (27°F), giving way to a comfortable average of 5°C (41°F) and a refreshing maximum of 14°C (57°F). This transition marks a significant improvement from the preceding months, where frigid conditions lingered below freezing. As spring emerges, the region begins to bloom; the milder temperatures invite outdoor activities and a sense of renewal in the air. The upward trend in temperatures not only heralds the arrival of warmer days ahead but also sets the stage for the lush greenery that characterizes the coming months.
April in Deer Isle witnesses a notable upswing in precipitation, with an impressive 157 mm (6.2 in) of rain falling over 13 days. This marks a significant increase compared to the preceding months, particularly following March’s 84 mm (3.3 in). As spring takes hold, the landscape turns lush and vibrant, driven by these abundant April showers. While winter months like January and February see similar amounts of precipitation, it’s the combination of increased rainfall and the growing number of rainy days in April that heralds the shift into a wetter season, setting the stage for the blooming months ahead. The trend clearly highlights April as a crucial month of transition, paving the way for the sunnier yet still occasionally soggy days of late spring.
In April, Deer Isle experiences a noticeable shift in humidity as it dips to 81%, offering a welcome respite from the higher levels of winter and early spring. This decline follows a pattern of gradually decreasing humidity from March's 85%, indicating that the island is beginning to shake off the heavier, moisture-laden air typical of the colder months. As spring unfolds, this trend continues into May when humidity further drops to 76%. The milder air not only enhances the region's charm but also sets the stage for the warmer summer months ahead, where humidity levels stabilize around 74%. This gradual transition highlights the island's distinct seasonal rhythm, making April a pivotal month in Deer Isle’s climatic journey.
In April, the UV Index in Deer Isle escalates to 7, marking a transition into the high exposure category, which signifies that the sun's rays are becoming increasingly intense. With a reduced burn time of just 25 minutes, it’s a clear indication that outdoor enthusiasts should take precautions against overexposure. This sharp rise from March’s index of 5 highlights a noticeable trend as spring unfolds, paving the way for even higher indices in the coming months. As the days get longer and warmer, be sure to protect your skin and enjoy the vibrant beauty of the season while remaining UV-aware. For more insight on UV levels year-round, check out the Deer Isle UV Index.
UV Risk Categories
As April unfolds in Deer Isle, the sunshine bathes the landscape in a warm glow with 238 hours of brilliant light. This month marks a delightful transition from the early year's gloom, where January struggles with just 143 hours of sunlight, to the promising brightness of spring. Following the hopeful surge that started in March with 255 hours, April maintains a vibrant but slightly softer light before the summer months, when sunshine reaches its peak. This gradual build-up in daylight culminates in May, with 286 hours, and continues to rise as summer rolls in, showcasing a captivating pattern of increasing luminosity that invites both locals and visitors to savor the scenic beauty of Deer Isle. Each month reveals a distinct rhythm of sunlight, offering a glimpse into the breathtaking transformation that defines this coastal gem.
In Deer Isle, the likelihood of sunny weather takes a notable dip in April, with only 35% chances of sunshine. This figure aligns closely with the winter months of January and February, suggesting that while spring has officially arrived, the coastal charm of Deer Isle is still subject to the unpredictable whims of early-season weather. As the region transitions into May, the chances for sun remain steady but do not increase, indicating that the sunny days often wait just beyond April. Interestingly, the sharp rise in sunny days observed in March, at 55%, hints at a brief but promising preview of spring's potential, making the sunless April days feel even more like a contrast. Hence, while there is a consistent chance of clouds, the occasional bursts of brightness might still surprise residents and visitors alike.
As April unfolds in Deer Isle, the burgeoning warmth of spring brings a significant leap in daylight duration, stretching to 13 hours of daylight. This marks a wonderful increase from the 11 hours noted in March, showcasing a growing trend as the days lengthen. April not only ushers in brighter skies but also sets the stage for the radiant months ahead, such as May, which boasts 14 hours of daylight. The progression from the winter months, where daylight was scarce at just 9 hours in January, to the vibrant springtime is a reminder of nature’s cyclical dance. Just as the flowers begin to bloom, so too do the opportunities to bask in the longer, sunlit days that follow.
In April, Deer Isle experiences a gentle shift in winds, with an average speed of 6.3 m/s (14 mph), marking a noticeable decline compared to the preceding months. Following the brisk gusts of March, which boasted an average of 7.7 m/s (17 mph), April’s winds begin to ease, signaling the transition into spring's calm embrace. This trend continues into May, where the winds further mellow to 5.5 m/s (12 mph), highlighting a seasonal pattern of decreasing wind speeds as warmer weather settles in. Interestingly, the cooler months of winter, with January and December averaging 7.3 m/s (16 mph) and 7.4 m/s (17 mph) respectively, tend to be windier, while the summer months lean towards calmer breezes, with July and August dipping below 5 m/s. Overall, April serves as a bridge, gently ushering in the softer winds characteristic of late spring while breaking from the winter’s briskness.
The weather in Deer Isle changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April'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.
April and January showcase strikingly different weather patterns. In April, temperatures range from a chilly -3°C (27°F) to a mild 14°C (57°F), with an average of 5°C (41°F), marking a notable warming trend compared to January, which sees much colder temperatures, with a minimum of -17°C (2°F) and an average of -2°C (29°F). While April receives more precipitation at 157 mm (6.2 in) over 13 days, January has less, totaling 108 mm (4.3 in) over just 9 days. Additionally, April experiences slightly lower humidity at 81%, compared to January’s 88%. For a detailed overview of the weather during this winter month, you can refer to Deer Isle weather in January.
When comparing the weather in April and February, significant differences become evident. April experiences milder temperatures, with a minimum of -3°C (27°F), an average of 5°C (41°F), and a maximum of 14°C (57°F), while February is notably colder, featuring a minimum of -15°C (6°F), an average of -1°C (30°F), and a maximum of 9°C (49°F). Additionally, April receives more precipitation, totaling 157 mm (6.2 in) over 13 days, compared to February's 105 mm (4.1 in) over 11 days. Despite the higher precipitation in April, February's humidity levels peak at 88%, slightly higher than April's 81%. For more on February weather, you can visit Deer Isle weather in February.
April generally offers milder weather compared to March, with average temperatures rising from March's chilly 0°C (33°F) to a more pleasant 5°C (41°F). While March experiences colder nights, reaching a minimum of -15°C (6°F), April's lowest temperature is significantly warmer at -3°C (27°F). Additionally, April sees increased precipitation, totaling 157 mm (6.2 in) over 13 days, compared to March's 84 mm (3.3 in) over 9 days. Humidity levels remain relatively high in both months, with March at 85% and April slightly lower at 81%. For more detailed information on March weather, you can check Deer Isle weather in March.
April and May present a notable transition in weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a maximum of 14°C (57°F), with an average of 5°C (41°F). The month is characterized by significant rainfall, totaling 157 mm (6.2 in) over 13 days and high humidity at 81%. In contrast, May sees a rise in temperatures, with a minimum of 2°C (37°F) and a maximum of 17°C (64°F), resulting in an average of 9°C (49°F). Additionally, May experiences reduced precipitation of 105 mm (4.1 in) over just 11 days, which coincides with lower humidity levels at 76%. For a detailed look at weather specifics, you can visit Deer Isle weather in May.
April weather tends to be quite chilly, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 14°C (57°F) and an average of 5°C (41°F). The month is also characterized by significant precipitation, averaging 157 mm (6.2 in) over 13 days, and a high humidity level of 81%. In contrast, June brings a noticeable warming trend, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 20°C (68°F) and an average of 13°C (56°F). Rainfall decreases to 87 mm (3.4 in) over just 9 days, and humidity levels drop to 74%. For more details on June weather, you can check Deer Isle weather in June. Overall, June offers a more pleasant and drier climate compared to the cold and wet conditions of April.
April and July present stark contrasts in weather conditions. In April, temperatures are much cooler, with a minimum of -3°C (27°F) and an average of 5°C (41°F), reaching a maximum of only 14°C (57°F). The month also sees significant precipitation, totaling 157 mm (6.2 in) over about 13 days, accompanied by high humidity at 81%. In contrast, July offers milder temperatures, with a minimum of 12°C (54°F) and an average of 16°C (62°F), peaking at 22°C (72°F). The rain in July is less frequent, totaling 92 mm (3.6 in) over just 10 days and with lower humidity at 74%. For more detailed information, check out the Deer Isle weather in July.
April and August present quite different weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a mild maximum of 14°C (57°F), with an average of around 5°C (41°F). This month typically sees significant precipitation of 157 mm (6.2 in) over about 13 days, coupled with high humidity levels at 81%. In contrast, August enjoys much warmer temperatures, with a minimum of 13°C (57°F) and a maximum of 23°C (73°F), averaging around 18°C (64°F). Precipitation decreases to 86 mm (3.4 in) over just 8 days, and humidity also drops to 74%. For more detailed insights, you can explore Deer Isle weather in August.
April and September showcase quite different weather patterns. In April, temperatures range from a chilly -3°C (27°F) to a milder 14°C (57°F), with an average of just 5°C (41°F). The month sees significant rainfall at 157 mm (6.2 in) across 13 days, coupled with high humidity at 81%. In contrast, September offers a more comfortable climate, with temperatures spanning from 9°C (48°F) to a pleasant 22°C (72°F) and an average of 16°C (60°F). Rainfall decreases to 102 mm (4.0 in) over only 8 days, and humidity drops slightly to 77%. To learn more about the weather in September, visit Deer Isle weather in September.
April and October present distinct yet somewhat transitional weather patterns. In April, temperatures start off colder, with a minimum of -3°C (27°F) and an average of around 5°C (41°F), compared to October’s milder minimum of 2°C (35°F) and an average of 12°C (54°F). While April typically sees a bit more precipitation at 157 mm (6.2 in) across 13 days, October is not far behind with 145 mm (5.7 in) over 12 days, resulting in similarly high humidity levels of 81% and 82% respectively. This leads to a wetter and chillier atmosphere in April, while October offers a gentler transition into the cooler months. For more detailed information, visit Deer Isle weather in October.
When comparing the weather in April and November, one notices some key differences and similarities. April features a milder range of temperatures, with averages around 5°C (41°F) and a maximum of 14°C (57°F), while November is slightly colder with an average of 6°C (43°F) and a maximum of 16°C (62°F). Interestingly, both months experience significant precipitation, with April receiving 157 mm (6.2 in) over 13 days, and November seeing slightly less at 138 mm (5.4 in) over 12 days. The humidity levels are also comparable, with April at 81% and November slightly higher at 85%. For a detailed look at November weather, you can explore Deer Isle weather in November.
April and December present contrasting weather conditions, each with its unique characteristics. In April, temperatures range from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), with an average of about 5°C (41°F). The month sees frequent precipitation, totaling 157 mm (6.2 in) over 13 days, and humidity remains high at 81%. In contrast, December experiences colder temperatures, with a minimum of -17°C (2°F) and an average of 1°C (34°F), peaking at 13°C (56°F). Precipitation is slightly less than in April at 155 mm (6.1 in), occurring over 12 days, and humidity is marginally higher at 84%. For more details on what to expect, check out Deer Isle weather in December.
As April unfolds in Deer Isle, the weather reveals a shift toward milder conditions, making it a refreshing departure from the harsher winter months. With average temperatures hovering around a cool 5°C, the days gradually warm, enticing nature to awaken from its slumber. However, this month also brings significant rainfall, as evidenced by over half of the days experiencing precipitation, contributing to an overall humidity of 81%. This blend of cool temperatures and ample moisture sets the stage for the vibrant bursts of spring, contrasting sharply with the stark cold of earlier months. For a deeper understanding of how these conditions shape life in Deer Isle, explore the detailed Deer Isle Climate.