October Weather in Boothbay Harbor, United States

Last updated: February 24, 2025

In October, Boothbay Harbor, United States experiences a refreshing transition into fall, characterized by a maximum temperature of 19°C (67°F) and an average of 12°C (55°F). As the leaves change color, the region receives an average precipitation of 150 mm (5.9 in) over about 12 days, making it a time of both beauty and briskness. With a humidity level of 77%, the air carries a crisp scent that encapsulates the essence of autumn. Whether you're strolling along the waterfront or exploring wooded trails, October in Boothbay Harbor offers a delightful mix of scenic charm and invigorating weather.

October Temperature in Boothbay Harbor

In Boothbay Harbor, October marks a notable transition into cooler fall weather, as temperatures begin to dip from the warmth of summer. With a minimum temperature of 2°C (36°F) and an average of 12°C (55°F), the month showcases a comforting crispness in the air, perfect for enjoying the vibrant autumn foliage. The maximum temperature reaches a pleasant 19°C (67°F), providing ample opportunity for outdoor activities before winter sets in. This trend of declining temperatures is a significant shift from the balmy highs of August, and as the days grow shorter, October presents a charming blend of lingering warmth and the fresh, invigorating chill of approaching winter.

October Weather in Boothbay Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Boothbay Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303134425059666762544335
Data source: Temperature data for Boothbay Harbor 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.

October Precipitation in Boothbay Harbor

October in Boothbay Harbor brings a noticeable shift in precipitation, with 150 mm (5.9 in) of rainfall spread over 12 days. This marks the highest monthly total of the year, a stark contrast to the warmer months when precipitation levels hovered around 70-100 mm. As autumn deepens, the frequency of rainy days increases, contributing to a heightened sense of coziness as locals and visitors alike embrace the season's brisk charm. This uptick in rainfall not only nourishes the vibrant fall foliage but also sets the stage for the winter months ahead, reflecting a typical pattern of increased precipitation as the year transitions toward its end.

October Precipitation Trends in Boothbay Harbor

The chart displays monthly precipitation patterns in Boothbay Harbor, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec96988513982711007181150122137
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Boothbay Harbor

As October unfolds in Boothbay Harbor, the humidity takes a dip to 77%, marking a refreshing change from the moister summer months. This decline reflects an overall trend toward lower humidity levels as the year progresses, with October being notably less humid than the sweltering peak of June and July, both at 86%. After a slight increase to 80% in September, the crispness of autumn begins to usher in a more comfortable atmosphere. Interestingly, October's humidity is the lowest recorded since April, suggesting a shift toward drier conditions that accompany the vibrant fall foliage. This seasonal transition not only invigorates the air but also enhances the picturesque charm of this coastal gem.

October Average Humidity in Boothbay Harbor

This chart illustrates the average monthly humidity levels in Boothbay Harbor, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%79%79%86%85%83%80%77%80%81%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Boothbay Harbor

As October arrives in Boothbay Harbor, the UV Index dips to 5, categorizing exposure as moderate and allowing for a burn time of about 30 minutes. This trend marks a shift from the peak summer months, where indices soared to 10 in June and July, creating a need for extra precautions against sunburn. Throughout the year, the UV Index demonstrates a clear seasonal pattern: starting low in winter, it intensifies during the spring and summer before gradually declining again in the fall. As autumn settles in, residents and visitors can enjoy the crisp air with a relatively moderate UV level, making October a wonderful time to bask in the outdoors—just remember to check the Boothbay Harbor UV Index for daily updates!

Maximum UV Index Levels in Boothbay Harbor for October

The chart shows the monthly maximum UV Index (UVI) for Boothbay Harbor in October, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Boothbay Harbor October 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.

October Sunshine in Boothbay Harbor

As autumn settles over Boothbay Harbor, October offers a charming balance of warm days and cool evenings, with an impressive 229 hours of sunshine illuminating the coastal landscape. This month marks a gentle decline from the sun-drenched heights of summer, which peaks in August with 341 hours. As nature begins its transition, October embraces a steady drop in sunlight, reflective of the previous month's 287 hours in September. Despite this reduction, the milder temperatures and vibrant foliage create a picturesque setting, making October a delightful time to enjoy the outdoors. The sun’s golden rays still linger warmly, inviting visitors to revel in the beauty of fall before winter’s chill sets in.

Monthly Sunshine Duration in Boothbay Harbor: October Highlighted

The October sunshine duration represents the total number of hours Boothbay Harbor experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec145h187h261h250h302h334h337h341h287h229h193h174h
Data source: Boothbay Harbor October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Boothbay Harbor During October

In Boothbay Harbor, October presents a moderate chance of sunny weather, with a 38% likelihood of clear skies. While this figure is slightly lower than the previous month of September, which enjoys a 44% chance of sunshine, it is still comparable to the spring months of April and May, both hovering around 37%. Notably, the transition into winter sees an increase in sunny days by November, which surprises with a 54% chance. Overall, October's weather trends reflect a gradual shift towards less sunshine, consistent with the seasonal change, yet still offering some pleasant moments for outdoor enjoyment.

Percentage of Sunny Days in October in Boothbay Harbor

The chart illustrates the percentage of sunny days in Boothbay Harbor throughout the year, with October 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 Boothbay Harbor experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%34%60%37%38%39%29%33%44%38%54%32%
Data source: Boothbay Harbor October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Boothbay Harbor in October

As autumn settles in Boothbay Harbor, October marks a notable shift in daylight duration, offering approximately 10 hours of sunlight each day. This decrease continues the gradual decline that began in August, reaching its peak during the longer summer months where daylight extended to 15 hours. The transition from summer to fall is evident, as daylight dwindles from September's 12 hours, signaling the onset of shorter days ahead. Following the vibrant hues of fall, November will usher in even less daylight, echoing the pattern of reduced sunlight that characterizes the colder months. The rhythmic fluctuations in daylight serve as a reminder of nature's cycles, inviting residents and visitors alike to cherish the golden hours of October.

Average Daylight Hours in Boothbay Harbor for October

The chart illustrates the variation in daylight duration in Boothbay Harbor throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 19m10h 29m11h 57m13h 28m14h 45m15h 23m15h 2m13h 54m12h 27m10h 56m9h 37m8h 57m
Data source: Boothbay Harbor daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Boothbay Harbor

As October sweeps into Boothbay Harbor, the average wind speed settles at 5.5 m/s (12 mph), marking a gentle breeze that complements the fall scenery. This month sees a slight uptick from the summer doldrums, where winds languidly hovered between 4.3 and 4.5 m/s, reflecting the tranquil days of July and August. With the arrival of autumn, it's clear that the winds pick up their pace slightly, revealing a natural rhythm of progression from the calm summer months to the brisker vibes of late fall. The pattern established from spring, where winds peak in March at 7.1 m/s (16 mph), starts to decline through the summer but rejuvenates in November with a stronger breath of 6.1 m/s (14 mph). October serves as a transitional month, perfectly capturing the essence of change—both in wind speed and in the vibrant landscape transforming around Boothbay Harbor.

Average October Wind Speed in Boothbay Harbor

The chart displays monthly wind speed patterns in Boothbay Harbor, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.66.47.15.85.25.94.54.35.25.5 m/s6.16.7
Data source: Boothbay Harbor October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Boothbay Harbor Compares to Other Months

The weather in Boothbay Harbor changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Boothbay Harbor and find detailed weather information for every month.

In October, temperatures in Boothbay Harbor range from a chilly minimum of 2°C (36°F) to a comfortable maximum of 19°C (67°F), averaging around 12°C (55°F). The month sees significant rainfall, totaling about 150 mm (5.9 in) over approximately 12 days, alongside a relative humidity of 77%. In contrast, January brings much colder conditions, with temperatures dropping to a minimum of -17°C (2°F) and averaging -1°C (31°F), peaking at 11°C (52°F). Precipitation is lower in January, at 96 mm (3.8 in) across about 9 days, but humidity rises slightly to 85%. For more detailed insights on January weather, check out Boothbay Harbor weather in January.

October and February present contrasting weather conditions. In October, temperatures range from a mild minimum of 2°C (36°F) to a pleasant average of 12°C (55°F), peaking at 19°C (67°F). This month sees considerable rainfall, with around 150 mm (5.9 in) of precipitation over approximately 12 days and a humidity level of 77%. In stark contrast, February experiences colder temperatures, with a minimum dropping to -14°C (7°F) and an average of 0°C (31°F), while the maximum reaches only 11°C (53°F). Additionally, February has less precipitation at 98 mm (3.8 in) spread over about 10 days and a higher humidity level at 86%. For a closer look at February conditions, check out Boothbay Harbor weather in February.

In comparing October and March weather, October generally features milder temperatures, with highs averaging around 19°C (67°F) and lows at 2°C (36°F), while March experiences much colder conditions, with maximum temperatures only reaching 12°C (53°F) and minimums plummeting to -13°C (9°F). Additionally, October is wetter, receiving about 150 mm (5.9 in) of precipitation over 12 days, compared to March's 85 mm (3.3 in) over 9 days. Humidity levels are relatively high in both months, with October at 77% and March slightly higher at 84%. For more detailed insights, you can check Boothbay Harbor weather in March.

When comparing October and April weather, October generally offers milder temperatures, with an average of 12°C (55°F) and highs reaching 19°C (67°F), while April is cooler, averaging only 6°C (43°F) with maximums of 15°C (60°F). Precipitation levels are fairly similar, with October experiencing 150 mm (5.9 in) over 12 days and April slightly lower at 139 mm (5.5 in) across 13 days. Additionally, the humidity levels are comparable, with October at 77% and April slightly higher at 79%. For a more detailed look at April's weather, you can check Boothbay Harbor weather in April.

October and May both present mild temperatures, with average highs reaching around 19°C (67°F). However, October tends to be wetter, receiving about 150 mm (5.9 in) of precipitation over 12 days, compared to May's 82 mm (3.2 in) across 10 days. While both months start with similar minimum temperatures of around 2°C (36-37°F), May generally experiences slightly cooler average temperatures overall. Humidity levels are comparable too, with October at 77% and May slightly higher at 79%. For more detailed information about weather patterns in May, you can check Boothbay Harbor weather in May.

October and June present quite distinct weather patterns. In October, temperatures range from a cool minimum of 2°C (36°F) to a comfortable maximum of 19°C (67°F), with an average of 12°C (55°F). The month sees significant rainfall, totaling 150 mm (5.9 in) over approximately 12 days, along with a humidity level of 77%. In contrast, June offers milder conditions with minimum temperatures of 9°C (49°F) and a maximum of 21°C (71°F), averaging around 15°C (59°F). The precipitation is notably less, at 71 mm (2.8 in) over about 8 days, and humidity is higher at 86%. For a closer look at June weather specifics, check out Boothbay Harbor weather in June.

October and July present contrasting weather patterns. In October, temperatures range from a chilly minimum of 2°C (36°F) to a comfortable maximum of 19°C (67°F), with an average of 12°C (55°F). The month experiences significant rainfall, totaling 150 mm (5.9 in) over 12 days, and the humidity averages around 77%. Conversely, July enjoys milder conditions, with minimum temperatures of 13°C (56°F) and maximums reaching up to 25°C (78°F), averaging 19°C (66°F). Precipitation is less frequent in July, with around 100 mm (3.9 in) over just 10 days and slightly higher humidity levels at 85%. For more details, you can check Boothbay Harbor weather in July.

When comparing the weather in October and August, it's clear that October is significantly cooler and wetter. In October, temperatures range from a chilly minimum of 2°C (36°F) to a mild average of 12°C (55°F), peaking at 19°C (67°F). In contrast, August offers much warmer conditions, with minimums around 15°C (59°F), an average of 20°C (67°F), and maximums reaching 25°C (78°F). Precipitation levels also differ markedly; October sees 150 mm (5.9 in) over 12 days, while August experiences just 71 mm (2.8 in) across 8 days. Humidity remains fairly high in both months, with October at 77% and August slightly higher at 83%. For more details on August weather, you can visit Boothbay Harbor weather in August.

In comparing the weather of October and September, October presents significantly cooler temperatures, with a minimum of 2°C (36°F) and an average of 12°C (55°F), while September enjoys warmer conditions, averaging 17°C (62°F) with a maximum of 23°C (74°F). Additionally, October experiences more precipitation, totaling 150 mm (5.9 in) over approximately 12 days, compared to September's 81 mm (3.2 in) across 8 days. Humidity remains relatively high in both months, with October at 77% and September slightly higher at 80%. For more details, you can check Boothbay Harbor weather in September.

October and November exhibit noticeable differences in weather patterns. October typically enjoys milder temperatures, with a minimum of 2°C (36°F) and an average of 12°C (55°F), while November sees a significant drop, with temperatures plummeting to a minimum of -10°C (14°F) and an average of 6°C (44°F). Both months experience a fair amount of precipitation, with October totaling 150 mm (5.9 in) over 12 days and November slightly less at 122 mm (4.8 in) over 11 days. Humidity levels also increase from 77% in October to 80% in November, contributing to a chillier atmosphere. For more details on what to expect, you can check out Boothbay Harbor weather in November.

October and December present stark contrasts in weather patterns. In October, the temperatures range from a chilly 2°C (36°F) at night to a pleasant 19°C (67°F) during the day, with an average of 12°C (55°F). This month also sees considerable rainfall, accumulating to about 150 mm (5.9 in) over 12 days, while humidity levels sit around 77%. In contrast, December is significantly colder, with nighttime lows plummeting to -16°C (3°F) and daytime highs averaging just 1°C (35°F), peaking at 14°C (57°F). Despite slightly lower precipitation at 137 mm (5.4 in) across 11 days, humidity increases to 81%, adding to the crisp winter feel. For more detailed weather information, check out Boothbay Harbor weather in December.

Compare Boothbay Harbor's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Boothbay Harbor

As October settles into Boothbay Harbor, it brings a refreshing shift from the warmer months with its crisp temperatures and noticeable increase in rainfall. The average temperature dips, inviting a distinct autumnal vibe, while the frequent drizzle adds a touch of whimsy to the vibrant fall foliage. With relatively high humidity levels, the air feels invigorating, making it the perfect time for cozy sweaters and warm beverages. This transitional month stands in contrast to the sun-soaked summer, offering a more subdued atmosphere ideal for enjoying the serene beauty of the harbor. To explore more about what to expect throughout the year, visit Boothbay Harbor Climate.