October Weather in Mystic, United States

Last updated: February 24, 2025

October in Mystic, United States, showcases a beautiful transition into autumn, characterized by a maximum temperature of 25°C (77°F) and a comfortable average of 16°C (60°F). As daytime warmth gives way to cooler evenings, nightly lows dip to around 4°C (39°F). This month sees an average precipitation of 157 mm (6.2 in) over 12 days, contributing to the lush fall foliage and vibrant scenery. With a humidity level hovering around 75%, October in Mystic offers a cozy yet brisk atmosphere, perfect for enjoying the season's charm.

October Temperature in Mystic

In October, Mystic, United States, experiences a delightful transition into autumn, with temperatures reflecting a shift toward cooler weather. The month opens with a minimum of 4°C (39°F), while the average temperature hovers around a comfortable 16°C (60°F), peaking at a pleasant 25°C (77°F). This moderate climate marks a significant change from the balmy summer months, inviting residents and visitors alike to enjoy the vibrant fall foliage without the chill of winter just yet. As the days grow shorter, October’s weather perfectly captures the essence of autumn, blending warm afternoons with the crispness of approaching autumn nights, making it an ideal time for outdoor activities and cozy gatherings.

October Weather in Mystic: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Mystic, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353639465564727268604840
Data source: Temperature data for Mystic 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 Mystic

October brings the highest precipitation in Mystic, United States, with 157 mm (6.2 in) of rainfall spread over 12 days. This significant uptick from the preceding months highlights the transition into the wetter fall season. As temperatures drop and autumn foliage paints the landscape, the increased rainfall not only nourishes the vibrant scenery but also sets the stage for the incoming winter. Notably, October's elevated precipitation contrasts with the more moderate totals in summer and early fall, emphasizing its role as a key month for replenishing local water sources and supporting the region's ecosystems.

October Precipitation Trends in Mystic

The chart displays monthly precipitation patterns in Mystic, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8310910813611984115101101157113141
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Mystic

As October arrives in Mystic, United States, the humidity levels settle at a comfortable 75%, mirroring the trend of the previous month. Throughout the year, humidity begins robust at 84% in January and February, gradually easing into the milder readings of late summer and early fall. From a peak in spring, where humidity reaches 82%, the decline continues as warmer months like June and July maintain a steady 76%, reflecting a transition towards cooler, drier autumn weather. The relatively lower October humidity serves as a pleasant precursor to the more humid conditions expected in November, illustrating Mystic's distinct seasonal rhythm. This year-round fluctuation showcases how the town balances moisture and comfort with the changing seasons, allowing residents and visitors to enjoy each month’s unique ambiance.

October Average Humidity in Mystic

This chart illustrates the average monthly humidity levels in Mystic, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Mystic

As October arrives in Mystic, United States, residents can expect a UV Index of 6, indicating a high level of sun exposure. After the intense sun of summer months, where UV levels peaked at 10, the drop to a 6 still calls for caution. With an average burn time of just 25 minutes, it's a reminder that even in fall, the sun's rays can be potent. The transition from the very high exposure categories seen from May to September to the cooler hues of October emphasizes the importance of protecting your skin. As the days grow shorter and the sun's angle lowers, consider checking the latest insights on safe sun exposure at Mystic UV Index to enjoy the beautiful autumn while staying safe.

Maximum UV Index Levels in Mystic for October

The chart shows the monthly maximum UV Index (UVI) for Mystic 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.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Mystic 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 Mystic

As the vibrant summer fades into fall, October in Mystic, United States, offers a delightful balance of sunshine with 232 hours of golden rays. This month sees a gradual decline from the bustling summer months, where July and June bask in over 350 hours of sunlight, making way for the cozy charm of autumn. The light softens from the intense brightness of August and September, each boasting over 300 hours, yet October's warmth still invites outdoor adventures. With the cooling days ahead, locals and visitors alike relish the beautiful transition, as the sun continues to gift Mystic with its gentle, warming embrace before the winter chill sets in.

Monthly Sunshine Duration in Mystic: October Highlighted

The October sunshine duration represents the total number of hours Mystic 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h187h263h254h295h324h351h331h282h232h207h175h
Data source: Mystic October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mystic During October

In Mystic, United States, October brings a moderate chance of sunny weather, with a likelihood of 46%. This positions it favorably compared to the summer months, where sunshine diminishes, with July and August recording only 43% and 34% respectively. September sees a slight rebound at 47%, but October's chances appear consistent with early spring, reflecting a steady pattern of sun that may pique the interest of outdoor enthusiasts. As the year progresses into November, the sun's presence seems to increase again to 54%, hinting at a climate that remains unpredictable yet occasionally rewarding throughout the fall season.

Percentage of Sunny Days in October in Mystic

The chart illustrates the percentage of sunny days in Mystic 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 Mystic experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%31%61%47%44%40%43%34%47%46%54%33%
Data source: Mystic October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mystic in October

As October unfolds in Mystic, United States, the days begin to draw in slightly, providing around 11 hours of daylight—a gentle reminder that autumn is in full swing. Following the bright and extended summer months, where June boasts a generous 15 hours, October showcases a notable transition. The daylight gradually diminishes from the summer peak, with September still enjoying 12 hours, before settling down to this more moderate illumination. This shift not only enhances the beauty of the fall foliage but also invites cozy evenings, perfect for appreciating the crisp air and the changing seasons. With November fast approaching, the daylight will tend to retreat further, plunging back to 9 hours, signaling the start of winter and the shorter days that come with it.

Average Daylight Hours in Mystic for October

The chart illustrates the variation in daylight duration in Mystic throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 33m10h 37m11h 58m13h 21m14h 31m15h 5m14h 46m13h 44m12h 25m11h 2m9h 50m9h 13m
Data source: Mystic daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Mystic

As October sweeps through Mystic, there's a refreshing shift in the landscape, with wind speeds averaging 5.8 m/s (13 mph), a subtle increase from the summer's calm whispers. This month marks a transition, bringing a noticeable uptick from the languid 4.2 m/s (9 mph) experienced in July and August, suggesting a breezier atmosphere that invigorates the senses. Notably, October's winds mirror the steady pace of November and December, both maintaining the same average speed, hinting at the approach of winter's chill. With each gust, the vibrant fall foliage swirls, creating a picturesque scene that captures the essence of autumn in this charming New England town. The interplay of the season's cool air and the gentle yet persistent winds offers a perfect backdrop for cozy evenings and outdoor adventures alike.

Average October Wind Speed in Mystic

The chart displays monthly wind speed patterns in Mystic, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.26.26.05.55.34.94.24.25.25.8 m/s5.85.8
Data source: Mystic October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Mystic Compares to Other Months

The weather in Mystic 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 Mystic and find detailed weather information for every month.

October and January present contrasting weather patterns. October enjoys milder temperatures, ranging from a minimum of 4°C (39°F) to a pleasant maximum of 25°C (77°F), with an average temp of 16°C (60°F). The month sees around 157 mm (6.2 in) of precipitation over approximately 12 days, coupled with a humidity level of 75%. In stark contrast, January is much colder, featuring a minimum temperature of -16°C (4°F) and a maximum of 14°C (58°F), with an average of just 2°C (35°F). This winter month experiences less precipitation, totaling 83 mm (3.3 in) across 8 days, and higher humidity at 84%. For more details on the specific weather patterns in this winter month, check out Mystic weather in January.

October and February present strikingly different weather conditions. In October, temperatures range from a mild 4°C (39°F) at night to a pleasant 25°C (77°F) during the day, with an average of 16°C (60°F). This month sees considerable rainfall, totaling 157 mm (6.2 in) over about 12 days, with humidity levels around 75%. In contrast, February experiences much colder temperatures, with nighttime lows plunging to -13°C (9°F) and daytime highs reaching only 12°C (54°F), resulting in a chilling average of just 2°C (36°F). Although February has slightly less precipitation at 109 mm (4.3 in) across 11 days, it boasts higher humidity levels at 84%. For a closer look at winter conditions, check Mystic weather in February.

In comparing the weather of October and March, we see distinct differences in temperature and precipitation. October enjoys a milder climate, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 25°C (77°F), accompanied by 157 mm of precipitation over 12 days and a humidity level of 75%. In contrast, March experiences cooler conditions, starting with a minimum temperature of -9°C (16°F) and only reaching an average maximum of 15°C (60°F). It also presents less precipitation, totaling 108 mm over 9 days, but with a slightly higher humidity of 82%. For a closer look at the weather during this transitional month, check out Mystic weather in March.

When comparing the weather in October and April, October generally boasts warmer temperatures, with averages around 16°C (60°F) and daytime highs reaching 25°C (77°F). In contrast, April sees cooler conditions, with average temperatures around 8°C (47°F) and maximums of 18°C (65°F). Both months experience similar precipitation levels of around 136-157 mm, falling on approximately 12 days, but October's humidity is slightly lower at 75% compared to April's 79%. For a more detailed look at the weather in April, you can visit Mystic weather in April.

When comparing the weather in October and May, both months exhibit a mild temperature range, but October is generally warmer. In October, temperatures range from a minimum of 4°C (39°F) to a maximum of 25°C (77°F), with an average of 16°C (60°F). In contrast, May sees a slightly cooler spectrum, with temperatures ranging from 3°C (38°F) to 22°C (72°F), averaging around 13°C (55°F). Precipitation levels are comparable, with October receiving a bit more at 157 mm (6.2 in) over 12 days, while May has 119 mm (4.7 in) over 13 days. Both months share a humidity level of 75%, resulting in a similar overall feel. For more detailed insights about the weather in May, you can check Mystic weather in May.

When comparing the weather in October to that in June, notable differences can be seen in temperature and precipitation. October experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 16°C (60°F), while June has warmer conditions, with a minimum of 10°C (50°F) and an average of 18°C (64°F). Although both months have a maximum temperature of around 25°C (77°F), October is characterized by higher precipitation levels, totaling 157 mm (6.2 in) over approximately 12 days, compared to June’s 84 mm (3.3 in) over 10 days. Humidity levels are also quite similar, with October at 75% and June slightly higher at 78%. For a closer look at June weather specifically, you can check out Mystic weather in June.

In October, the weather experiences a cooler temperature range, with a minimum of 4°C (39°F) and an average of 16°C (60°F), compared to July's warmer minimum of 15°C (59°F) and average of 22°C (72°F). While July enjoys sunnier days with a maximum of 29°C (85°F), October sees a more moderate maximum of 25°C (77°F). Precipitation levels in October rise to 157 mm (6.2 in) over approximately 12 days, slightly more than July's 115 mm (4.5 in) across 10 days. Humidity levels are quite similar, with October at 75% and July at 76%. For a closer look at the weather during this summer month, check Mystic weather in July.

In comparing the weather between October and August, October tends to be cooler with a minimum temperature of 4°C (39°F) and an average of 16°C (60°F), whereas August enjoys warmer conditions with minimums around 15°C (60°F) and an average high of 22°C (73°F). While October experiences more rainfall, accumulating 157 mm (6.2 in) over 12 days, August has a lighter precipitation total of 101 mm (4.0 in) over just 9 days. Humidity levels are fairly similar, with October at 75% and August slightly lower at 76%. For a deeper look into typical conditions during August, you can check out Mystic weather in August.

In comparing the weather between September and October, it is evident that October experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 16°C (60°F), compared to September's milder minimum of 10°C (51°F) and average of 20°C (68°F). While September enjoys warmer days with a maximum temperature reaching 27°C (82°F), October's maximum is cooler at 25°C (77°F). Additionally, October sees more precipitation, measuring 157 mm (6.2 in) over 12 days, compared to September's 101 mm (4.0 in) over 9 days, making October a wetter month overall. Despite the increase in rain, both months maintain a consistent humidity level of 75%. For more details on September weather, you can check Mystic weather in September.

October typically brings milder temperatures, with averages ranging from 4°C (39°F) to a comfortable 25°C (77°F), while November sees a noticeable drop, with minimum temperatures plummeting to -7°C (20°F) and an average of only 9°C (49°F). In terms of precipitation, October is wetter, experiencing 157 mm (6.2 in) over 12 days, compared to November's 113 mm (4.4 in) over 10 days. Interestingly, November also has slightly higher humidity at 80%, compared to October's 75%. For a closer look at what to expect in November, you can check out Mystic weather in November.

October and December exhibit contrasting weather patterns in Mystic. October typically boasts milder temperatures, ranging from a minimum of 4°C (39°F) to a maximum of 25°C (77°F), with an average of 16°C (60°F). In contrast, December sees much cooler temperatures, with lows dropping to -11°C (12°F) and an average of just 4°C (40°F). Precipitation is slightly higher in October at 157 mm (6.2 in) over 12 days, while December brings 141 mm (5.6 in) spread over 11 days. Additionally, December's humidity is marginally higher at 80%, compared to October's 75%. For more specific details about the weather in December, visit Mystic weather in December.

Compare Mystic's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Mystic

As October rolls in, Mystic's weather reveals a captivating shift from the warmth of summer to the crisp embrace of autumn. With temperatures that range from cool nights to pleasantly mild days, the month invites a refreshing atmosphere, perfect for cozy sweaters and vibrant foliage strolls. Unlike the drier months preceding it, October sees a notable increase in precipitation, contributing to the region's lush landscapes. The 75% humidity adds a hint of mystique to the already stunning scenery, creating a unique blend of gentle warmth and refreshing coolness. To discover more about the nuances of Mystic's climate throughout the year, check out Mystic Climate.