October Weather in Wellfleet, United States

Last updated: February 24, 2025

October in Wellfleet, United States, showcases a transition into cooler autumn days, with maximum temperatures reaching 21°C (70°F) and an average of 15°C (58°F). As daylight wanes, expect chilly nights, with temperatures dipping to a minimum of 4°C (40°F). The month sees significant rainfall, accumulating to 161 mm (6.3 in) over 11 days, contributing to a humidity level of 75% that enhances the crisp, invigorating air. Embrace the beauty of fall in Wellfleet, where vibrant foliage and coastal charm await amidst the changing weather.

October Temperature in Wellfleet

As October unfolds in Wellfleet, United States, the air begins to crisp, signaling the transition from the warmth of summer to the cool embrace of autumn. With temperatures averaging a pleasant 15°C (58°F), the month boasts a mild min of 4°C (40°F) and a comfortable max of 21°C (70°F), making it an ideal time for outdoor activities amidst the backdrop of vibrant fall foliage. Compared to the warmer summer months, October offers a refreshing change, yet still retains a hint of summer’s warmth, evident in the seasonal pattern of gradually declining temperatures. This unique blend allows residents and visitors alike to enjoy the stunning landscapes and engaging seasonal festivities that define Wellfleet in October.

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

The chart illustrates October temperature patterns in Wellfleet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec363638445161687065584840
Data source: Temperature data for Wellfleet 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 Wellfleet

In Wellfleet, October stands out as a particularly wet month, receiving an impressive 161 mm (6.3 inches) of precipitation, making it the rainiest month of the year. This significant uptick in rainfall contrasts sharply with the drier summer months, where August only saw 74 mm (2.9 inches). Despite experiencing rainfall on approximately 11 days in October, the total precipitation underscores a trend of increasing moisture as the region transitions into the cooler months. Following September's average of 110 mm (4.3 inches), October's deluge often heralds a shift in seasons, enriching the local landscape while setting the stage for the winter months ahead.

October Precipitation Trends in Wellfleet

The chart displays monthly precipitation patterns in Wellfleet, 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.
JanFebMarAprMayJunJulAugSepOctNovDec95117119130106888474110161106138
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Wellfleet

In October, Wellfleet experiences a comfortable humidity level of 75%, maintaining the trend of gradual decline from the summer months. Following the peak humidity levels of 84% in January and February, the region witnesses a steady decrease as the seasons transition. The humidity dips to its lowest in May at 75%, before slightly bouncing back in the cooler months of November and December. This trend illustrates a mild and pleasant October, offering a refreshing change as the air becomes less saturated, making it an ideal time for outdoor activities and enjoying the stunning fall foliage.

October Average Humidity in Wellfleet

This chart illustrates the average monthly humidity levels in Wellfleet, 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 Wellfleet

As October unfolds in Wellfleet, the UV Index presents a shift to a moderate-high level with a UV Index of 6, indicating a high exposure category. This is a slight decline from the intense levels seen during the summer months, where values peaked at 10 in June and 9 in both July and August, marked as very high with an alarming burn time of just 15 minutes. Interestingly, as fall progresses, the burn time increases to 25 minutes, offering a bit more time to enjoy the outdoors safely. However, it's still essential to remain vigilant about sun protection, especially with lingering sunny days. Keeping these trends in mind can help you plan your outdoor activities wisely. For more details, check out the Wellfleet UV Index.

Maximum UV Index Levels in Wellfleet for October

The chart shows the monthly maximum UV Index (UVI) for Wellfleet 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.
JanFebMarAprMayJunJulAugSepOctNovDec2458910998642
Data source: Wellfleet 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 Wellfleet

As October rolls in, Wellfleet witnesses a shift in its sunshine hours, capturing a delightful 229 hours of sunshine. This month stands out as a gentle transition from the peak summer brightness of 339 hours in July and 328 hours in August, gracefully tapering to the crisp autumn ambiance. The sunshine in October is notably more than the 201 hours recorded in November, creating a warm glow that invites residents and visitors alike to savor the beautiful fall foliage. This seasonal rhythm highlights the charming contrast between the rich, sun-filled summer days and the serene, golden glow of October, making it a perfect time for exploring Wellfleet's natural beauty.

Monthly Sunshine Duration in Wellfleet: October Highlighted

The October sunshine duration represents the total number of hours Wellfleet 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.
JanFebMarAprMayJunJulAugSepOctNovDec136h180h252h239h293h322h339h328h277h229h201h159h
Data source: Wellfleet October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Wellfleet During October

In Wellfleet, the chances of enjoying sunny weather in October are relatively promising at 43%, making it one of the sunnier months of the fall season. This percentage shows a slight decline from September's 49% but remains consistent when compared to adjacent months like April and May, which hover around the same likelihood. Notably, October outshines several months earlier in the year, such as February and January, where the sun makes much rarer appearances. As fall progresses, the optimism for brighter days continues, with November nudging upwards to 47%, suggesting that while October may bring occasional clouds, sunny spells are very much within reach.

Percentage of Sunny Days in October in Wellfleet

The chart illustrates the percentage of sunny days in Wellfleet 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 Wellfleet experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%25%54%43%42%39%37%36%49%43%47%26%
Data source: Wellfleet October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Wellfleet in October

As October unfolds in Wellfleet, United States, the days gradually shorten, offering about 11 hours of daylight. This marks a subtle decline from the 12 hours seen in September, continuing a trend of diminishing light that begins its descent after the vibrant summer months. The peak of sunlight occurs in June with 15 hours, followed by a steady decrease through the months, mirroring the transition from the long, warm days of summer to the cooler, crisp autumn nights. Interestingly, while daylight begins to wane, October still retains a generous amount of sun compared to November and December, which both offer only 9 hours. This transitional period invites residents and visitors alike to enjoy the rich hues of fall while basking in the lingering warmth of the sun before it retreats into winter's embrace.

Average Daylight Hours in Wellfleet for October

The chart illustrates the variation in daylight duration in Wellfleet throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 30m10h 35m11h 58m13h 22m14h 34m15h 10m14h 50m13h 46m12h 25m11h 1m9h 47m9h 9m
Data source: Wellfleet daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Wellfleet

As October arrives in Wellfleet, the winds begin to pick up slightly, averaging 7.2 m/s (16 mph)—a gentle increase from the calmer summer months. Following the summer lows of 5.1 m/s in August and 5.5 m/s in July, the autumn breeze brings a refreshing change that can be felt as fall foliage starts to swirl in the air. Transitioning from the comparatively light winds of late summer, October showcases a renewed vigor, reflecting nature's shift towards winter preparation. Interestingly, this month sets the stage for the increasingly brisk winds of November and December, where speeds reach 7.7 m/s and 7.8 m/s, respectively, hinting at the upcoming chill of the approaching winter. Thus, October serves not only as a bridge between seasons but also as an invitation to embrace the natural beauty and dynamic weather of Wellfleet.

Average October Wind Speed in Wellfleet

The chart displays monthly wind speed patterns in Wellfleet, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.28.38.17.16.46.75.55.16.47.2 m/s7.77.8
Data source: Wellfleet October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Wellfleet Compares to Other Months

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

October presents a mild and vibrant transition into autumn, with temperatures ranging from a minimum of 4°C (40°F) to a pleasant average of 15°C (58°F) and a maximum of 21°C (70°F). The month is relatively wet, accumulating 161 mm (6.3 in) of precipitation over 11 days, coupled with a humidity level of 75%. In contrast, January ushers in the heart of winter, characterized by chillier conditions with temperatures plummeting to a minimum of -12°C (11°F), an average of 2°C (37°F), and a maximum of 12°C (54°F). Although January experiences less precipitation, totaling 95 mm (3.7 in) over the same number of days, the humidity rises to 84%, giving the air a crisp feel. For more insights on January weather, check out Wellfleet weather in January.

October and February present stark contrasts in weather, reflecting the transition from autumn to winter. In October, temperatures typically range from a mild 4°C (40°F) to a comfortable high of 21°C (70°F), accompanied by significant rainfall totaling 161 mm (6.3 in) over about 11 days, contributing to a humidity level of 75%. In contrast, February is much colder, with average temperatures hovering around 2°C (37°F), peaking at 12°C (53°F) and dipping as low as -11°C (13°F). Precipitation is less frequent, totaling 117 mm (4.6 in) over 12 days, yet humidity increases to 84%. The differences highlight the shift from the relatively warm and damp conditions of October to the frigid and slightly drier atmosphere of February. For more insights, you can check Wellfleet weather in February.

When comparing the weather in October and March, it's evident that October tends to be much milder with average temperatures ranging from a chilly 4°C (40°F) at night to a comfortable 21°C (70°F) during the day. In contrast, March experiences colder temperatures, with nightly lows dipping to -8°C (17°F) and daytime highs only reaching 12°C (54°F). While both months see around 11 days of precipitation, October has more rainfall overall, averaging 161 mm (6.3 in), compared to March's 119 mm (4.7 in). Additionally, October's humidity at 75% is slightly lower than March's 82%, making it feel a bit more uncomfortable during the latter month. For a detailed overview of March weather, check out Wellfleet weather in March.

October generally offers milder temperatures compared to April, with average highs reaching up to 21°C (70°F), while April peaks at 14°C (58°F). Although both months experience notable precipitation, October is wetter with 161 mm (6.3 in) over 11 days, compared to April's 130 mm (5.1 in) across 12 days. Humidity levels are slightly higher in April at 79%, versus October's 75%. For more detailed insights on April weather, you can visit Wellfleet weather in April.

When comparing the weather of October to that of May, notable differences in temperature and precipitation emerge. October boasts a wider temperature range, with a minimum of 4°C (40°F), an average of 15°C (58°F), and a maximum of 21°C (70°F). In contrast, May features cooler temperatures overall, with a minimum of 4°C (40°F), an average of 11°C (51°F), and a maximum of 18°C (65°F). Additionally, October experiences higher precipitation levels at 161 mm (6.3 in) over 11 days, compared to May’s 106 mm (4.2 in) during the same number of rainy days. Despite these differences, both months share a consistent humidity level of 75%. For more detailed insights, you can check Wellfleet weather in May.

In comparing October and June weather, October tends to be cooler, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (70°F), while June exhibits a slightly warmer range with minimums at 10°C (50°F) and maximums reaching 23°C (73°F). Precipitation is more abundant in October, totaling 161 mm (6.3 in) over 11 days, compared to June's 88 mm (3.5 in) over 10 days. Both months maintain high humidity levels, with October at 75% and June slightly higher at 78%. For more details on June weather specifically, check out Wellfleet weather in June.

In comparing the weather between October and July, October tends to be significantly cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (70°F), while July features warmer conditions with a minimum of 16°C (60°F) and a maximum of 26°C (79°F). Precipitation is notably higher in October, averaging 161 mm (6.3 in) over 11 days, compared to July's 84 mm (3.3 in) over just 8 days. Despite the milder temperatures in July, both months exhibit similar humidity levels, hovering around 75-76%. For a closer look at July's weather specifics, you can visit Wellfleet weather in July.

In comparing the weather between August and October, it is clear that October experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 15°C (58°F), while August retains a warmer climate, featuring a minimum of 16°C (61°F) and an average of 21°C (70°F). Precipitation levels also differ significantly; October sees a higher amount of rainfall at 161 mm (6.3 in) over 11 days, compared to August’s 74 mm (2.9 in) over just 7 days. Humidity levels are quite similar, with both months hovering around 75% to 76%. For those interested in more detailed information about August weather, you can find it here: Wellfleet weather in August.

In comparing the weather between October and September, October is notably cooler with a minimum temperature dropping to 4°C (40°F) compared to September's milder minimum of 13°C (56°F). While the average temperature in October reaches only 15°C (58°F), September enjoys a warmer average of 19°C (66°F). Additionally, October brings more precipitation, measuring at 161 mm (6.3 in) over 11 days, compared to September's 110 mm (4.3 in) over just 10 days. Despite the increase in rainfall, both months share similar humidity levels at 75%. For a closer look at September's weather in Wellfleet, you can visit Wellfleet weather in September.

October and November present a notable shift in weather conditions. In October, temperatures range from a chilly 4°C (40°F) at night to a pleasant 21°C (70°F) during the day, with an average of 15°C (58°F). Precipitation is relatively high at 161 mm (6.3 in) over 11 days, coupled with a humidity level of 75%. In contrast, November sees a marked drop in temperatures, with nighttime lows plummeting to -7°C (20°F) and daytime highs reaching only 18°C (65°F), averaging around 9°C (48°F). Although November experiences less precipitation at 105 mm (4.2 in) across 12 days, the humidity rises slightly to 80%. For more detailed information, check out Wellfleet weather in November.

In October, temperatures are generally milder, with a minimum of 4°C (40°F) and an average high of 21°C (70°F), making it a comfortable time of year. However, it also sees a significant amount of rainfall, with about 161 mm (6.3 in) of precipitation over 11 days and a humidity level of 75%. In contrast, December brings much colder temperatures, with a minimum of -10°C (15°F) and an average of 5°C (41°F), while the maximum reaches only 15°C (60°F). Though December has slightly less precipitation at 138 mm (5.4 in) over 13 days, it features a higher humidity level of 80%. For those interested in more details about December weather, you can check out Wellfleet weather in December.

Compare Wellfleet's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Wellfleet

As October unfolds in Wellfleet, the weather heralds a distinct transition, offering a delightful blend of crisp air and mild temperatures that signal the onset of fall. Unlike the warmer summer months, October experiences cooler evenings, with a noticeable drop in nighttime temperatures. The average humidity of 75% can make it feel even chillier, while occasional rainfall—spreading across approximately 11 days—adds a refreshing vigor to the air. With a maximum temperature often climbing to around 21°C (70°F) during the day and evenings that linger around 15°C (58°F), October presents an inviting atmosphere for outdoor adventures amidst the changing foliage. To explore more about the unique climate patterns in Wellfleet, visit Wellfleet Climate.