Last updated: February 24, 2025
October in Bar Harbor, United States, reveals a blend of crisp autumn air and colorful foliage, making it an enchanting time to visit. With maximum temperatures reaching 21°C (70°F) and an average of 11°C (52°F), the days are pleasantly mild, while nighttime brings cooler chills, dipping to a minimum of 0°C (32°F). Visitors should be prepared for some rain, as the month sees about 107 mm (4.2 in) of precipitation over 11 days, contributing to the region's vibrant scenery. The high humidity level of 82% can add to the brisk feel of the air, perfect for enjoying outdoor activities amidst the stunning fall landscapes.
As October unfolds in Bar Harbor, the seasons begin their graceful transition, offering a refreshing reprieve from the summer heat. Temperatures range from a cool minimum of 0°C (32°F) to a pleasant maximum of 21°C (70°F), with an average of 11°C (52°F)—a perfect time for outdoor adventures amidst the stunning fall foliage. This month marks a shift from the balmy warmth of September, which boasts highs of 27°C (81°F), to the crispness that heralds winter's approach. With temperatures gradually dropping and the last vestiges of autumn's mildness lingering, October invites visitors to explore the scenic beauty of Bar Harbor while enjoying the brisk air and vibrant landscapes.
In Bar Harbor, October marks a notable transition in weather patterns, with precipitation amounting to 107 mm (4.2 in) spread across 11 days. This increase from the preceding months highlights a shift towards wetter conditions as the region prepares for the colder months ahead. Notably, October's precipitation exceeds that of several summer months, indicating a departure from the drier spells of July and August. As fall sets in, the air is filled with the promise of vibrant foliage, accompanied by the rhythmic patter of rain that nurtures the landscape. This month acts as a prelude to the more substantial rainfalls of November and December, emphasizing the region’s gradual transition into winter.
In October, humidity levels in Bar Harbor rise to 82%, reflecting a transition toward the wetter months. As the year progresses, one can observe a general decline in humidity from January's peak of 88% down to the drier summer months, where it levels off around 74% from June to August. However, as autumn settles in, the humidity begins to climb again, hinting at the impending colder season. This rise in moisture in the air during October not only contributes to a crisp fall atmosphere but also prepares the region for the more humid months ahead, as seen in November with 85% humidity. The changing humidity patterns are a quintessential aspect of Bar Harbor's coastal charm throughout the year.
As October unfolds in Bar Harbor, the UV Index settles at a moderate 5, signaling a shift in sun intensity after the peak of summer. With a burn time of 30 minutes, outdoor enthusiasts can enjoy the natural beauty of the area while remaining mindful of sun exposure. This month's index reflects a gradual decrease from the high levels seen over the summer months, transitioning from a very high 9 in May to a more moderate rating, which is characteristic of fall. The cooler temperatures and changing foliage create a stunning backdrop, yet it remains essential to stay protected against those lingering rays. For more detailed information on sun safety, visit the Bar Harbor UV Index.
UV Risk Categories
As October rolls into Bar Harbor, the days begin to shorten, but the vibrant colors of autumn still bask in a generous 224 hours of sunshine. This marks a slight decline from the sun-soaked heights of August and July, which boast the highest sunshine hours at 326 and 318, respectively. However, compared to colder months like January and November, October shines brightly, providing a perfect backdrop for both locals and tourists to revel in the enduring beauty of fall foliage. With 292 hours in May and a steady climb through the summer, visitors can appreciate how the crisp October air still holds onto the warmth of previous months, offering a picturesque farewell to summer's exuberance while ushering in the quieter days of winter.
As the vibrant hues of autumn descend upon Bar Harbor, October brings a 43% chance of sunny weather, marking it as a slightly brighter month compared to some of its predecessors. This increase in sunshine represents a noteworthy trend, especially when juxtaposed against the typically overcast summer months of July and August, which see significantly lower probabilities of sun. In contrast, October's likelihood is not only above the average for the fall season but also surpasses that of the spring months, with notable peaks in November and March. This delightful uptick in sunny days invites both locals and visitors to relish the breathtaking fall foliage under clear skies, making October an appealing time to explore Bar Harbor's natural beauty.
As autumn settles into Bar Harbor, October brings a noticeable shift in daylight hours, with a total of 10 hours of daylight. This marks a decline from the sun-drenched heights of summer, where June and July bask in the glow of 15 hours each day. The gradual tapering of daylight is a familiar rhythm, starting from the 14 hours in May and easing down through the vibrant hues of autumn. As October unfolds, the daylight decreases alongside the cooling temperatures, resembling the transition from the lushness of summer to the more subdued tones of fall. This ebbing light serves as a gentle reminder of the coming winter months, where daylight dwindles further, culminating in only 8 hours by December.
As autumn settles in Bar Harbor, October welcomes gentle breezes with an average wind speed of 3.8 m/s (8 mph). This slight uptick from the calm of summer, where the winds softened to 2.9 m/s (7 mph) in August and 3.4 m/s (8 mph) in July, suggests a gradual return to solace before winter's chill. The wind whispers through the vibrant fall foliage, bridging the tranquil summer days and the brisk winters ahead. Interestingly, as the year progresses, the winds gradually regain strength, peaking in the colder months with speeds reaching 4.6 m/s (10 mph) by December. In this dance of seasons, Bar Harbor's October wind offers a perfect backdrop for cozy autumn strolls, beckoning both locals and visitors to embrace the natural beauty of this captivating coastal town.
The weather in Bar 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 Bar Harbor and find detailed weather information for every month.
In October, temperatures in Bar Harbor range from a chilly 0°C (32°F) at night to a pleasant 21°C (70°F) during the day, contributing to an average of 11°C (52°F). The month experiences a fair amount of precipitation, totaling 107 mm (4.2 in) over approximately 11 days, with humidity levels sitting at 82%. In contrast, January brings much colder temperatures, with a minimum of -23°C (-8°F) and a maximum of only 11°C (51°F), leading to an average temperature of -4°C (25°F). Despite slightly lower precipitation at 98 mm (3.9 in), it falls over about 9 days, and humidity rises to 88%. This stark difference illustrates the transition from the mild, crisp autumn of October to the harsh, frigid winter of January. For more details on January weather, visit Bar Harbor weather in January.
When comparing the weather in October and February, it's clear that these two months present distinct climate characteristics. October offers milder temperatures, with an average of 11°C (52°F) and highs reaching 21°C (70°F), making it a comfortable time of year. In contrast, February experiences much colder conditions, with average temperatures around -3°C (26°F) and minimums dipping to -20°C (-4°F).
In terms of precipitation, October has more rainfall (107 mm) spread across 11 days, while February sees slightly less at 90 mm over 10 days. Both months exhibit high humidity levels, with October at 82% and February slightly higher at 88%. For more detailed insights on February's weather conditions, you can visit Bar Harbor weather in February.
In October, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 21°C (70°F), with an average of 11°C (52°F). The month also sees considerable precipitation, totaling 107 mm (4.2 in) across 11 days, and maintains a high humidity level of 82%. In contrast, March experiences much colder conditions, with temperatures dipping to a minimum of -18°C (0°F) and only reaching a maximum of 14°C (58°F), averaging around 0°C (32°F). Precipitation during this month is lower at 73 mm (2.9 in) over 9 days, and humidity is slightly higher at 85%. For more details on March weather, you can check Bar Harbor weather in March.
When comparing the weather in October and April, we see that October tends to be milder with average temperatures ranging from 11°C (52°F) to a high of 21°C (70°F), while April features cooler conditions, with average temperatures peaking at 18°C (65°F) and dipping to a chilly -4°C (24°F). Precipitation levels are slightly higher in April, totaling 129 mm (5.1 in) over 13 days, compared to October's 107 mm (4.2 in) over 11 days. Both months boast high humidity, with October at 82% and April at 81%. For a more detailed look at April's climate, you can visit Bar Harbor weather in April.
October and May present distinct weather patterns, each with its unique characteristics. In May, temperatures tend to be slightly warmer, with a minimum of 2°C (36°F) and a maximum of 25°C (78°F), while October sees cooler temperatures ranging from a minimum of 0°C (32°F) to a maximum of 21°C (70°F). Both months experience about 11 days of precipitation, but October has higher total rainfall at 107 mm (4.2 in) compared to May's 92 mm (3.6 in). Additionally, humidity levels are higher in October at 82%, compared to 76% in May. For more insights on May weather, check out Bar Harbor weather in May.
In comparing the weather of October and June, we see distinct differences in temperature and precipitation. October experiences cooler temperatures with a minimum of 0°C (32°F) and an average of 11°C (52°F), while June starts off warmer with a minimum of 6°C (42°F) and an average of 16°C (61°F), peaking at a maximum of 30°C (86°F). Precipitation is slightly higher in October, totaling 107 mm (4.2 in) over 11 days, compared to June's 79 mm (3.1 in) over 9 days. Additionally, humidity levels are more pronounced in October at 82%, whereas June brings a more comfortable 74%. For a closer look at the weather specifics, you can check Bar Harbor weather in June.
October weather contrasts sharply with July’s warm and humid conditions. In October, temperatures range from a chilly 0°C (32°F) at night to a mild average of 11°C (52°F) during the day, peaking at 21°C (70°F). The month experiences more frequent rainfall, totaling 107 mm (4.2 in) over 11 days, and a higher humidity level of 82%. In contrast, July boasts a warmer climate, with minimum temperatures around 11°C (53°F) and maximums reaching 30°C (86°F), alongside 80 mm (3.2 in) of precipitation over 10 days and lower humidity at 74%. For a detailed look at July weather, you can check Bar Harbor weather in July.
October weather contrasts significantly with August, with October featuring a much cooler temperature range, where daily highs rarely exceed 21°C (70°F) compared to August's peaks of 29°C (85°F). In October, temperatures can dip as low as 0°C (32°F), while August maintains a milder minimum of 12°C (53°F). Additionally, October experiences more rainfall, accumulating 107 mm (4.2 in) over about 11 days, compared to August's wetter but lighter 73 mm (2.9 in) over 8 days. Humidity also rises in October, averaging 82% versus August's 74%. For a detailed comparison, check Bar Harbor weather in August.
In comparing the weather of October and September, October presents a notable drop in temperatures, with a minimum of 0°C (32°F) and an average of 11°C (52°F), compared to September's warmer minimum of 5°C (42°F) and average of 16°C (61°F). The maximum temperatures also reflect this shift, with October peaking at 21°C (70°F) versus September's more comfortable 27°C (81°F). Additionally, October experiences more precipitation, totaling 107 mm (4.2 in) over 11 days, whereas September has less with 95 mm (3.7 in) spread over just 7 days. The humidity levels are slightly higher in October at 82%, compared to September's 77%. For more insights on September weather patterns, check out Bar Harbor weather in September.
In comparing the weather of October and November, October generally presents milder temperatures with a minimum of 0°C (32°F) and an average of 11°C (52°F), peaking at 21°C (70°F). The month experiences about 107 mm (4.2 in) of precipitation over 11 days, with humidity levels averaging around 82%. In contrast, November sees a significant drop in temperatures, with a minimum of -15°C (6°F) and an average of 4°C (40°F), while maximum temperatures reach 17°C (63°F). Precipitation increases slightly to 130 mm (5.1 in) over 12 days, accompanied by a marginally higher humidity of 85%. For more detailed information on weather conditions, you can check Bar Harbor weather in November.
October and December present strikingly different weather patterns. In October, temperatures range from a mild minimum of 0°C (32°F) to a pleasant maximum of 21°C (70°F), with an average of 11°C (52°F). The month experiences substantial precipitation of 107 mm (4.2 in) over about 11 days, accompanied by a high humidity level of 82%. In contrast, December brings much colder conditions, with temperatures dipping as low as -22°C (-7°F) and averaging around -1°C (30°F). The maximum temperature reaches only 15°C (59°F), while precipitation increases to 138 mm (5.4 in) but also over 11 days. Humidity remains slightly elevated at 84%, contributing to the crisp, wintry feel of the month. For more details about December weather, check out Bar Harbor weather in December.
As October unfolds in Bar Harbor, the weather begins to shift noticeably from the warmer months. With a cooler average temperature of 11°C (52°F), the crisp autumn air invites residents and visitors to enjoy the stunning fall foliage. The maximum temperature may reach a comfortable 21°C (70°F) at times, but the evenings can drop to a chilly 0°C (32°F), making layers essential. October also brings a higher chance of rain, with about 11 days of precipitation totaling 107 mm (4.2 in), creating a moody backdrop to the picturesque coastal scenery. The increased humidity at 82% adds to the season's richness, setting Bar Harbor apart during this transitional month. For more insights into the climate of this beautiful destination, explore Bar Harbor Climate.