October Weather in Bristol, United States

Last updated: February 24, 2025

In October, Bristol, United States, experiences a transition from crisp autumn days to cool evenings, highlighted by a maximum temperature of 27°C (81°F) and a refreshing average of 14°C (57°F). As the month unfolds, temperatures can dip to a minimum of -1°C (31°F), inviting cozy sweaters and warm drinks. With 135 mm (5.3 in) of precipitation over 11 days, October brings a touch of moisture to the vibrant fall foliage, while humidity levels hover around 75%, enriching the atmosphere. This blend of mild warmth and cool breezes makes October a picturesque month in Bristol, perfect for enjoying the seasonal transformation.

October Temperature in Bristol

As October unfolds in Bristol, United States, temperatures reflect the transition into cooler fall weather. The month begins with a noticeable drop in the minimum temperature, dipping to -1°C (31°F), a stark contrast to the warmer months prior. Daytime highs remain pleasant, peaking at 27°C (81°F), offering a mild balance with an average temperature of 14°C (57°F). This trend showcases October as a month of variability, where warm afternoons can still be enjoyed alongside crisp mornings. As the month progresses, the chill in the air signals the impending winter, highlighting the changing seasons and inviting a cozy embrace of autumn's charm.

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

The chart illustrates October temperature patterns in Bristol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec333539485868747367574536
Data source: Temperature data for Bristol generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Bristol

In October, Bristol experiences a notable uptick in precipitation, with 135 mm (5.3 in) falling over 11 days—the highest monthly total of the year. This surge marks a significant increase from the previous months, particularly September's 97 mm. The transition into autumn brings not only increased rainfall but also a shift in the seasonal atmosphere, as the city prepares for the cooler, wetter months ahead. The consistent pattern of rainfall in October often fosters a vibrant, lush environment, making it a picturesque time to embrace Bristol's natural beauty while keeping an umbrella handy. As the year progresses, October stands out as a reminder of nature's bounty, setting the stage for the winter months that follow.

October Precipitation Trends in Bristol

The chart displays monthly precipitation patterns in Bristol, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7492102123101971229297135101120
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Bristol

In October, Bristol experiences a steady decline in humidity, maintaining a comfortable 75% that mirrors the levels recorded in the previous month of September. This marks a notable decrease from the heavier humidity of January and February, both at 84%, indicating a gradual transition into the drier fall season. The trend suggests that as the year progresses toward winter, the air becomes less saturated, offering residents a reprieve from the higher humidity of summer months, particularly August and July, where levels averaged around 76%. With November on the horizon, humidity is expected to rise again to 80%, but for now, October presents an ideal balance, making it a delightful time to enjoy the crisp autumn air in Bristol.

October Average Humidity in Bristol

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

As October unfolds in Bristol, the UV Index drops to 6, reflecting a high exposure category that warrants caution during outdoor activities. Slightly lower than the peak summer months where levels soared to 10, the October sun still demands attention, with a burn time of just 25 minutes for fair-skinned individuals. This transition marks a shift from the intense summer rays, yet reminds us that UV protection remains crucial as we embrace the autumn outdoors. For more detailed insights, explore the full report on Bristol UV Index and stay informed about safe sun practices year-round.

Maximum UV Index Levels in Bristol for October

The chart shows the monthly maximum UV Index (UVI) for Bristol 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.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Bristol 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 Bristol

As October arrives in Bristol, the days begin to shorten, bringing a delightful balance of warm sunlight and cooler breezes. With 230 hours of sunshine, October provides a stunning display of autumn hues, inviting residents and visitors alike to enjoy outdoor activities before winter sets in. Although the sunshine hours dip from the summer peak of 347 hours in July, October still offers a generous amount of daylight compared to the winter months ahead. This trend of gradually decreasing sunlight, following the vibrant summer, allows for picturesque fall days that are perfect for enjoying the seasonal changes throughout the landscape. The transition into autumn is not only marked by fewer hours of sun but also the breathtaking scenery that makes Bristol a charming place to embrace this time of year.

Monthly Sunshine Duration in Bristol: October Highlighted

The October sunshine duration represents the total number of hours Bristol 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h188h261h250h295h326h347h329h282h230h207h176h
Data source: Bristol October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bristol During October

In Bristol, United States, October presents a moderate 42% chance of sunny weather, making it one of the more favorable months for enjoying the outdoors as autumn unfolds. This likelihood is notably higher than the summer months of July and August, which drop to around 36% and 30%, respectively. Interestingly, October's sunshine probability closely resembles that of September at 44%, suggesting that the transition from summer to fall retains a decent amount of pleasant weather. As we head toward winter, the chance of sunny days increases again by November, reaching 55%, hinting at a potential reprieve from the dreariness often associated with the colder months. Overall, while October may not guarantee endless sunshine, it offers a solid chance to soak in the beautiful fall colors under clearer skies.

Percentage of Sunny Days in October in Bristol

The chart illustrates the percentage of sunny days in Bristol 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 Bristol experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%31%60%44%40%38%36%30%44%42%56%33%
Data source: Bristol October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bristol in October

In Bristol, United States, October marks a subtle transition as daylight hours begin to wane, with approximately 11 hours of daylight illuminating the crisp autumn days. This shift follows the peak of summer when daylight soared to 15 hours in June, gradually tapering off through the subsequent months. The decrease in sunlight is a precursor to the long, cozy nights ahead, with November and December offering only 9 hours of daylight. October’s daylight duration reflects a clear progression from the vibrant and extended days of late spring and summer, showcasing the natural rhythm of the seasons as they transition from the warmth of summer into the tranquil embrace of winter.

Average Daylight Hours in Bristol for October

The chart illustrates the variation in daylight duration in Bristol throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 31m10h 36m11h 58m13h 22m14h 33m15h 9m14h 49m13h 46m12h 25m11h 1m9h 48m9h 10m
Data source: Bristol daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Bristol

As October sweeps into Bristol, the winds bring a gentle yet refreshing breeze, averaging 3.5 m/s (8 mph). This shift marks a slight increase from the calmer summer months of July and August, which saw their lowest speeds at 2.9 m/s (6 mph) and 2.8 m/s (6 mph), respectively. The mild October winds provide a perfect backdrop for the vibrant fall foliage, making outdoor activities enjoyable. Compared to the preceding months, the wind speed holds steady with similar averages seen in November and December, hinting at a transitional period where the crisp air becomes a signature of the approaching winter season. Overall, October's winds in Bristol offer a pleasant contrast to the stillness of summer, inviting residents to embrace the changing landscape.

Average October Wind Speed in Bristol

The chart displays monthly wind speed patterns in Bristol, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.84.13.93.53.42.92.83.43.5 m/s3.53.5
Data source: Bristol October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Bristol Compares to Other Months

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

In October, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 27°C (81°F), with an average of 14°C (57°F). The month experiences significant rainfall, totaling 135 mm (5.3 in) over about 11 days, accompanied by a relatively high humidity of 75%. In contrast, January brings much colder weather, with temperatures plunging from a minimum of -20°C (-4°F) to a maximum of 20°C (69°F), averaging around 0°C (33°F). Precipitation decreases to 74 mm (2.9 in) over 8 days, while humidity rises slightly to 84%. For more detailed information on January weather patterns, visit Bristol weather in January.

In comparing the weather of October and February, one can see a notable shift in temperatures and conditions. October typically enjoys milder temperatures with a minimum of -1°C (31°F) and an average of 14°C (57°F), reaching highs of 27°C (81°F). In contrast, February features much colder temperatures, with a minimum of -16°C (3°F) and an average of just 1°C (35°F), while the maximum temperature reaches 19°C (67°F). Additionally, October sees a higher total precipitation of 135 mm (5.3 in) over 11 days, compared to February's 92 mm (3.6 in) during the same number of days. The humidity levels also vary slightly, standing at 75% in October and increasing to 84% in February. For more details, you can check out Bristol weather in February.

In comparing the weather between October and March, October tends to offer milder temperatures with a minimum of -1°C (31°F) and an average high of 27°C (81°F), making it generally more comfortable. In contrast, March experiences colder temperatures, with lows reaching -14°C (7°F) and an average high of only 20°C (69°F). While October sees a higher average precipitation of 135 mm (5.3 in) over 11 days, March also remains relatively wet with 102 mm (4.0 in) across 10 days. Humidity levels are slightly lower in October at 75%, compared to March's 82%. Overall, October provides a warmer, more temperate environment, while March feels noticeably colder despite having less precipitation. For more specific details, you can check Bristol weather in March.

When comparing October and April weather, October typically showcases a broader range of temperatures, with averages around 14°C (57°F) and highs reaching up to 27°C (81°F). In contrast, April tends to be cooler, averaging 9°C (49°F) and peaking at 28°C (82°F). Both months experience a similar amount of precipitation, with October seeing 135 mm (5.3 in) and April slightly less at 123 mm (4.9 in), albeit with October averaging 11 rainy days compared to April's 12. Humidity levels are relatively comparable as well, hovering around 75% in October and slightly higher at 79% in April. For more detailed insights into the April weather, check Bristol weather in April.

In comparing the weather of October and May, October tends to be cooler, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 27°C (81°F), while May showcases a slightly milder range with a minimum of 2°C (36°F) and a maximum of 33°C (91°F). Precipitation is more prevalent in October, totaling 135 mm (5.3 in) over 11 days compared to May's 101 mm (4.0 in) across 12 days, indicating a wetter experience in the autumn month. Humidity levels are consistent in both months at 75%, creating a similar permeating dampness. For more detailed insights on May weather, you can refer to Bristol weather in May.

In comparing the weather of October and June, we see distinct differences in temperature and precipitation patterns. October experiences a broader temperature range, with lows dipping to -1°C (31°F) and highs reaching up to 27°C (81°F), while June maintains milder temperatures, starting from a minimum of 8°C (47°F) and peaking at 34°C (93°F). Additionally, June generally has less precipitation at 97 mm (3.8 in) compared to October's 135 mm (5.3 in), though both months see rain on about 11 days. Humidity is slightly higher in October at 75%, whereas June has a humidity level of 78%, contributing to a push towards warmer summer days. For more details about Bristol's June weather, you can check Bristol weather in June.

When comparing the weather in October to July, significant differences become apparent. October sees a wider temperature range with minimums dropping to -1°C (31°F) and maximums reaching 27°C (81°F), resulting in an average of 14°C (57°F). In contrast, July maintains consistently warmer temperatures, with minimums at 13°C (56°F) and highs soaring up to 37°C (99°F), averaging 23°C (74°F). Precipitation in October is slightly higher at 135 mm (5.3 in) across 11 days compared to July's 122 mm (4.8 in) over 12 days, while humidity levels remain similar at 75% in October and 76% in July. For more details on July's weather, you can visit Bristol weather in July.

When comparing the weather in October and August, it is evident that August is generally warmer and more humid. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 34°C (94°F), with an average of 23°C (74°F). In contrast, October experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 27°C (81°F), averaging 14°C (57°F). Additionally, October sees higher precipitation levels at 135 mm (5.3 in) over 11 days compared to August's 92 mm (3.6 in) over the same number of days. While humidity is slightly lower in August at 76%, both months present a significant amount of moisture in the air. For more detailed information, check out Bristol weather in August.

In comparing the weather between September and October, notable differences emerge. September experiences warmer temperatures with daily averages around 19°C (67°F) and highs reaching up to 33°C (91°F), while October cools down significantly, with averages dropping to 14°C (57°F) and maximums of 27°C (81°F). Additionally, October sees an increase in precipitation, totaling 135 mm (5.3 in) over 11 days, compared to September's 97 mm (3.8 in) over 9 days. Despite similar humidity levels of 75% in both months, the transition from September’s warmth to October’s chill marks a distinct shift in the weather patterns. For more detailed insights, you can check the Bristol weather in September.

October and November exhibit notable differences in weather patterns. In October, temperatures range from a minimum of -1°C (31°F) to a comfortable maximum of 27°C (81°F), with an average of 14°C (57°F). The month sees a considerable amount of rain, accumulating to 135 mm (5.3 in) over approximately 11 days, alongside a humidity level of 75%. In contrast, November experiences cooler temperatures, with a minimum of -10°C (14°F) and a maximum of 23°C (73°F), averaging just 7°C (45°F). Precipitation is somewhat lower at 101 mm (4.0 in) over 9 days, with a slightly higher humidity of 80%. For a closer look at the weather specifics in November, visit Bristol weather in November.

October and December present contrasting weather patterns, characterized by significant differences in temperature and conditions. In October, the temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 27°C (81°F), with an average of 14°C (57°F). This month sees approximately 135 mm (5.3 in) of precipitation over 11 days, and humidity levels around 75%. In stark contrast, December experiences much colder temperatures, with a minimum of -15°C (5°F), an average of just 2°C (36°F), and a maximum of 17°C (63°F). The precipitation decreases slightly to 120 mm (4.7 in) spread across 10 days, accompanied by a higher humidity of 80%. To explore more about December weather, visit Bristol weather in December.

Compare Bristol's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Bristol

As October unfolds in Bristol, the weather takes on a unique charm that distinguishes it from the warmer summer months. With an average temperature resting at a pleasant 14°C (57°F), the days can still surprise you with peaks reaching up to 27°C (81°F), while evenings may bring a brisk chill, dipping as low as -1°C (31°F). This month also marks a shift in the atmosphere, as it experiences more frequent rainfall, with 11 days of precipitation contributing to a total of 135 mm (5.3 in), which makes for a distinctly wetter season. Notably, the humidity levels hover around 75%, adding to the crispness in the air. Overall, October presents a beautiful contrast to the summer heat, inviting residents and visitors alike to enjoy the rich tapestry of autumn in the region. For a deeper dive into the local climate, check out Bristol Climate.