January Weather in Deer Isle, United States

Last updated: February 24, 2025

January weather in Deer Isle, United States, presents a chilly yet intriguing experience for locals and visitors alike. With maximum temperatures peaking at 10°C (50°F) and plunging to a minimum of -17°C (2°F), the month averages around -2°C (29°F), offering a true taste of winter. The island sees a total of 108 mm (4.3 in) of precipitation spread across 9 days, contributing to its picturesque, frosty landscapes. Accompanied by a high humidity level of 88%, the air remains crisp and refreshing, making January a unique time to explore the natural beauty of Deer Isle.

January Temperature in Deer Isle

In Deer Isle, United States, January brings a distinct chill, with temperatures ranging from a biting -17°C (2°F) at night to a more bearable 10°C (50°F) during the day, averaging around -2°C (29°F). This cold snap sets the tone for the winter months, as February and March see only a slight warming trend, nudging average temperatures to -1°C (30°F) and 0°C (33°F) respectively. Despite these warmer averages, the lows remain stubbornly low, hovering near -15°C (6°F). As spring approaches in April, temperatures begin to rise more significantly, with averages climbing to 5°C (41°F), signaling the end of the harsh winter. This gradual warming trend continues into May, reaching a comfortable 9°C (49°F), and it ultimately leads into the warm summer months, where highs can soar above 20°C (69°F). Thus, while January may blanket Deer Isle in frost, the slow transition towards milder weather is a clear harbinger of the vibrant seasons that follow.

January Weather in Deer Isle: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Deer Isle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec292933414856616460544334
Data source: Temperature data for Deer Isle generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Deer Isle

January in Deer Isle brings a notable average precipitation of 108 mm (4.3 in), marking a significant start to the year. With precipitation occurring on 9 days, this month sets the tone for a damp winter season, though not the wettest compared to the subsequent months. As winter recedes and spring approaches, February and March see slightly less rainfall, with February at 105 mm (4.1 in) and March dropping to 84 mm (3.3 in). However, April surprises with a robust increase to 157 mm (6.2 in) over 13 days, showcasing the transition to the wetter spring months. This pattern hints at the gradual rise in rainfall as the seasons shift, with totals peaking in the late fall and early winter months, adding to the island's lush greenery. Overall, the precipitation trend in Deer Isle reflects a blend of consistent moisture, with a captivating ebb and flow throughout the year.

January Precipitation Trends in Deer Isle

The chart displays monthly precipitation patterns in Deer Isle, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec10810584157105879286102145138155
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Deer Isle

In January, Deer Isle experiences a notably high humidity level of 88%, a trend that continues into February, keeping the air moist and crisp during the winter months. As spring approaches in March, the humidity begins a gradual decline to 85%, signaling a shift towards drier conditions. This trend continues throughout the spring and summer, reaching a low of 74% by June and remaining steady through August, providing a brief respite from the dampness. However, as the cooler months return in September, humidity rises again to 77%, and by October, it climbs back up to 82%. As the year wraps up, November and December bring back the winter humidity with levels of 85% and 84%, respectively. Overall, the weather patterns indicate a cycle of high humidity in the winter, a gradual decline during the warmer months, and a return to moisture as colder weather sets in.

January Average Humidity in Deer Isle

This chart illustrates the average monthly humidity levels in Deer Isle, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%85%81%76%74%74%74%77%82%85%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Deer Isle

In January, Deer Isle experiences a low UV Index of 2, indicating minimal sun exposure risk, with a burn time of 45 minutes. As the months progress into February and March, the UV Index rises to 4 and 5, respectively, marking a shift to moderate exposure, where sun safety becomes more relevant but still manageable. By April, the UV Index escalates to 7, classified as high, and burn times decrease to 25 minutes. This upward trend reaches its peak in May and June with a UV Index of 9, denoting very high exposure and necessitating caution, as the burn time is reduced to just 15 minutes. Interestingly, throughout the summer months, the UV Index remains quite high, only dipping slightly in September, before returning to moderate levels in October and November. December sees a return to the low category with a UV Index of 2, similar to January, providing a seasonal respite from UV radiation. For more detailed insights, visit Deer Isle UV Index.

Maximum UV Index Levels in Deer Isle for January

The chart shows the monthly maximum UV Index (UVI) for Deer Isle in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec245799987532
Data source: Deer Isle January 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.

January Sunshine in Deer Isle

In Deer Isle, United States, January brings an average of 143 hours of sunshine, marking the start of the year on a modestly bright note. As winter yields to spring, sunlight gradually increases, with February offering 187 hours and March reaching 255 hours. This upward trend continues through April and May, peaking in the summer months of June and July with 317 and 316 hours respectively. Interestingly, August maintains this sunny disposition at 325 hours, making it the sunniest month of the year. However, as autumn sets in, daylight begins to dwindle, with hours descending to 216 in October and further to 180 in November. By December, sunshine has dipped to 170 hours, wrapping up the year in a cozy, reflective glow. Overall, the data illustrates a delightful transition from crisp winter days to the warm embrace of summer, before settling back into the calm of winter.

Monthly Sunshine Duration in Deer Isle: January Highlighted

The January sunshine duration represents the total number of hours Deer Isle experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec143h187h255h238h286h317h316h325h278h216h180h170h
Data source: Deer Isle January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Deer Isle During January

In Deer Isle, January presents a 38% chance of sunny weather, which offers a moderate start to the year. This likelihood is relatively higher than February's 35%, indicating a slight winter break before the sun begins to shine more consistently in the spring. As the months progress, the chances of sunny days rise significantly by March to 55%, marking the onset of more favorable weather. Notably, both November and March boast the highest probabilities of sunshine at 55%, while the summer months, particularly July and August, experience a dip, with chances of sun falling to 26% and 29%, respectively. Thus, while January may not be the sunniest month, it holds promise for brighter days ahead as winter transitions into spring.

Percentage of Sunny Days in January in Deer Isle

The chart illustrates the percentage of sunny days in Deer Isle throughout the year, with January 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 Deer Isle experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%35%55%35%35%38%26%29%42%43%55%35%
Data source: Deer Isle January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Deer Isle in January

In Deer Isle, United States, January marks the beginning of a gradual increase in daylight duration, with the month providing a modest 9 hours of light. As winter transitions into spring, daylight begins to extend, reaching 10 hours in February and then 11 hours in March, signaling the approach of longer days. April ushers in even more sunshine, with a notable rise to 13 hours, followed by May, which bathes the island in 14 hours of daylight. The peak of summer is reached in June and July, when daylight holds steady at 15 hours, allowing for ample time to enjoy the great outdoors. As summer fades, August sees a slight dip to 13 hours, leading into September with 12 hours. The descent continues into autumn, with October bringing 10 hours, November returning to 9 hours, and December settling at a low of 8 hours, encapsulating the cyclical rhythm of light and dark throughout the year. This seasonal ebb and flow highlights the interplay between nature's vast changes and our own daily lives, inviting contemplative moments with each transition.

Average Daylight Hours in Deer Isle for January

The chart illustrates the variation in daylight duration in Deer Isle throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 17m10h 28m11h 57m13h 29m14h 46m15h 25m15h 4m13h 55m12h 27m10h 56m9h 36m8h 54m
Data source: Deer Isle daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Deer Isle

In Deer Isle, January ushers in an average wind speed of 7.3 m/s (16 mph), making it one of the windiest months of the year. As winter transitions into spring, the winds peak slightly in March at 7.7 m/s (17 mph), before beginning a gradual decline. By April, the winds soften to 6.3 m/s (14 mph), and the trend continues through the warmer months, reaching a low of 4.2 m/s (9 mph) in August. Interestingly, as the year draws to a close, there is a mild resurgence with winds picking up again in December at 7.4 m/s (17 mph). This cyclical pattern highlights a distinct seasonal variation, reflecting both the island's maritime climate and the shifting dynamics of wind throughout the year.

Average January Wind Speed in Deer Isle

The chart displays monthly wind speed patterns in Deer Isle, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.3 m/s6.97.76.35.55.74.64.25.45.96.97.4
Data source: Deer Isle January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Deer Isle Compares to Other Months

The weather in Deer Isle 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 Deer Isle and find detailed weather information for every month.

January and February exhibit similar weather patterns, but with slight variations in temperature and precipitation. In January, temperatures range from a minimum of -17°C (2°F) to a maximum of 10°C (50°F), with an average of -2°C (29°F) and a total precipitation of 108 mm (4.3 in) spread over 9 days. February sees slightly milder conditions, with a minimum of -15°C (6°F), an average of -1°C (30°F), and a maximum of 9°C (49°F). The precipitation levels are comparable, with February receiving 105 mm (4.1 in) over 11 days, indicating a slightly wetter month. Both months maintain a high humidity level of 88%. For more detailed insights about February weather, you can check Deer Isle weather in February.

In January, the weather remains quite harsh, with temperatures ranging from a minimum of -17°C (2°F) to an average of -2°C (29°F) and peaks at 10°C (50°F). This month experiences significant precipitation of 108 mm (4.3 in) over 9 days, combined with high humidity levels of 88%. In contrast, March marks a slight improvement in conditions; temperatures range from a minimum of -15°C (6°F) to an average of 0°C (33°F), maintaining the same maximum of 10°C (50°F). Precipitation decreases to 84 mm (3.3 in) over 9 days, with humidity slightly lower at 85%. For a closer look at the weather specifics in March, visit Deer Isle weather in March.

January weather is characterized by its frigid temperatures, where minimums can plummet to -17°C (2°F) and average daily temperatures hover around -2°C (29°F). In contrast, April brings a noticeable warming trend, with minimum temperatures resting at -3°C (27°F) and averages rising to 5°C (41°F). While January experiences 108 mm (4.3 in) of precipitation over 9 days, April sees a significant increase to 157 mm (6.2 in) over 13 days, indicating that spring brings more rainy days despite the overall rise in temperature. Additionally, January's high humidity levels at 88% begin to decrease in April to 81%, suggesting a slight shift in atmospheric conditions as the season progresses. For more detailed insights into April's weather, you can refer to Deer Isle weather in April.

January and May present starkly different weather conditions. In January, temperatures can plummet to a minimum of -17°C (2°F), with an average around -2°C (29°F) and a maximum reaching just 10°C (50°F). The month typically experiences high humidity at 88% and substantial precipitation, amounting to 108 mm (4.3 in) over 9 days. In contrast, May sees a notable rise in warmth, with minimum temperatures of 2°C (37°F) and average temperatures climbing to 9°C (49°F), peaking at 17°C (64°F). Although May has slightly less precipitation at 105 mm (4.1 in), it occurs over more days (11), and humidity decreases to 76%. For more detailed insights, you can check Deer Isle weather in May.

January and June present stark contrasts in weather conditions. In January, temperatures plummet, with a minimum of -17°C (2°F) and an average of -2°C (29°F), while precipitation is relatively high at 108 mm (4.3 in), occurring over 9 days, accompanied by high humidity levels of 88%. In contrast, June brings milder weather with a minimum temperature of 8°C (46°F) and an average of 13°C (56°F). The maximum in June reaches 20°C (69°F), and the total precipitation decreases to 87 mm (3.4 in), also over 9 days, with a drop in humidity to 74%. For more details on the pleasant weather in June, check out Deer Isle weather in June.

January and July present a striking contrast in weather conditions. In January, temperatures can plummet to a minimum of -17°C (2°F), with an average of -2°C (29°F) and a maximum of 10°C (50°F), creating a cold, snowy environment. The month also experiences significant precipitation, with 108 mm (4.3 in) over 9 days, and high humidity at 88%, contributing to a chilly atmosphere.

In contrast, July brings much milder temperatures, ranging from a minimum of 12°C (54°F) to an average of 16°C (62°F) and a maximum of 22°C (72°F), creating a warm and pleasant summer vibe. While July sees slightly lower precipitation at 92 mm (3.6 in) over 10 days, the humidity decreases to 74%, resulting in a more comfortable and enjoyable climate. For more details on the July weather, visit Deer Isle weather in July.

January and August present a striking contrast in weather conditions. January is characterized by frigid temperatures, ranging from a chilling minimum of -17°C (2°F) to a mild maximum of 10°C (50°F), accompanied by substantial precipitation of 108 mm (4.3 in) over 9 days and a high humidity level of 88%. In contrast, August enjoys much milder temperatures, with averages between 13°C (57°F) and 23°C (73°F). The summer month sees less precipitation at 86 mm (3.4 in), spread over 8 days, and a lower humidity of 74%. For more details on the climate in August, you can visit Deer Isle weather in August.

January and September weather contrasts sharply, showcasing distinct seasonal changes. In January, temperatures can plunge as low as -17°C (2°F), with an average temperature of -2°C (29°F) and peaks reaching 10°C (50°F). The month is characterized by high humidity at 88% and substantial precipitation totaling 108 mm (4.3 in) over 9 days. In contrast, September offers milder conditions, with minimum temperatures around 9°C (48°F), an average of 16°C (60°F), and maximum readings of 22°C (72°F). The humidity decreases to 77%, and precipitation remains similar at 102 mm (4.0 in) but over just 8 days. For more insights into September weather, you can check Deer Isle weather in September.

When comparing January and October weather, it's clear that January tends to be much colder, with temperatures ranging from a frigid -17°C (2°F) at night to a maximum of 10°C (50°F) during the day. In contrast, October enjoys milder temperatures, averaging around 12°C (54°F) and peaking at 18°C (65°F). Precipitation is also notable in both months; January sees 108 mm (4.3 in) over an average of 9 days, while October has slightly more precipitation at 145 mm (5.7 in) spread over 12 days. The humidity levels are relatively similar, with January at 88% and October at 82%. For more detailed information, you can check out Deer Isle weather in October.

January and November present contrasting weather conditions. January experiences colder temperatures, with a minimum of -17°C (2°F) and an average of -2°C (29°F), while November offers milder conditions, with temperatures ranging from a minimum of -11°C (13°F) to an average of 6°C (43°F). Precipitation is slightly higher in November at 138 mm (5.4 in) over 12 days, compared to January's 108 mm (4.3 in) over 9 days. Humidity levels are quite similar, with January at 88% and November at 85%. For more detailed information on November weather, you can check Deer Isle weather in November.

January and December in Deer Isle exhibit notable differences in weather patterns. In January, temperatures range from a minimum of -17°C (2°F) to a maximum of 10°C (50°F), with an average temperature of -2°C (29°F). January experiences a significant amount of precipitation, totaling 108 mm (4.3 in) over 9 days, with high humidity levels at 88%. In contrast, December sees slightly warmer temperatures, with a minimum of -17°C (2°F) and a maximum of 13°C (56°F), resulting in an average of 1°C (34°F). December also has higher precipitation levels at 155 mm (6.1 in), falling over 12 days and with a lower humidity of 84%. For more detailed weather insights, you can visit Deer Isle weather in December.

Compare Deer Isle's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Deer Isle

As winter settles in, January on Deer Isle presents a stark contrast to the milder months of the year. With temperatures plunging, the chill can be felt deeply, averaging around -2°C, and occasionally dipping to a brisk -17°C. Unlike the summer months that boast warmth and sunshine, January experiences heightened humidity levels and significant precipitation, with nearly a quarter of the month seeing snow or rain. The 88% humidity adds to the frosty atmosphere, making this month a true winter experience for residents and visitors alike. For a detailed look at how January fits into the broader weather patterns, explore Deer Isle Climate.