October Weather in Plymouth, United Kingdom

Last updated: March 17, 2025

In Plymouth, United Kingdom, October brings a chill in the air with average temperatures hovering around 13°C (56°F). Expect a maximum of 19°C (66°F) and a minimum dipping to 5°C (41°F), making warm layers a must for outdoor activities. The month is quite wet, recording 138 mm (5.4 in) of precipitation over 16 days, contributing to a high humidity level of 89%. Visitors can anticipate a mix of blustery days and tranquil moments, perfect for exploring this historic coastal city while enjoying the crisp autumn atmosphere.

October Temperature in Plymouth

In October, Plymouth begins to experience a noticeable shift in temperatures as it transitions into autumn. The average daily temperature settles around 13°C (56°F), with highs reaching up to 19°C (66°F) during the warmer days. The evenings can be crisp, with lows dipping to 5°C (41°F). This month marks a comfortable median between the lingering warmth of September and the chill that will accompany the winter months, making it a delightful time to explore the city's picturesque waterfront and vibrant streets. The gradual decline in temperatures indicates the approach of winter, yet autumn's charm remains palpable with plenty of crisp, clear days still to enjoy.

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

The chart illustrates October temperature patterns in Plymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464747505359626260565149
Data source: Temperature data for Plymouth 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 Plymouth

October marks a notable shift in precipitation patterns for Plymouth, United Kingdom, as it records an impressive 138 mm (5.4 in) of rainfall over 16 days. This substantial increase in both the volume and frequency of rain signals the onset of autumn, with October often being one of the wettest months of the year. In contrast to September's 73 mm (2.9 in) over 12 days, the month sees a dramatic surge, aligning with the trend of increasing precipitation as the year progresses. Following October, November and December continue this trend, with 115 mm (4.5 in) and 141 mm (5.6 in), respectively, suggesting that the latter part of the year tends to be marked by a combination of longer rainfall duration and higher totals. As Plymouth prepares for the winter months, residents can expect a season characterized by the rhythm of persistent rain.

October Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7810293487577727873138115141
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Plymouth

In October, Plymouth experiences a notable rise in humidity, reaching 89%, which is one of the highest levels of the year, just slightly lower than the peak in November at 90%. This increase comes after a more moderate September at 79%, signaling a shift back toward the damp conditions typical of the autumn months. The trend throughout the year shows a gradual decline in humidity from January's 88% down to a summer low of 70% in July, before creeping back up into the high 70s and 80s as the temperatures drop. As the season transitions, residents can expect a return to the characteristic moisture of the cooler months, making October a distinctly humid period in Plymouth's climate cycle.

October Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Plymouth

As autumn settles in Plymouth, the UV Index in October registers a moderate level of 4, allowing residents and visitors to enjoy some sunny days while being mindful of their skin protection. This reflects a slight decrease from the high levels experienced during the summer months, particularly June and July, when the index peaked at 9. While the burn time in October extends to 30 minutes, it remains crucial to stay sun-smart, especially when transitioning from the vibrant UV levels of early summer. Compared to the earlier months of the year, where the index barely breached 2, October serves as a reminder of the shifting seasons and the importance of adjusting sun safety habits accordingly. For more detailed insights on the UV levels throughout the year, check out Plymouth UV Index.

Maximum UV Index Levels in Plymouth for October

The chart shows the monthly maximum UV Index (UVI) for Plymouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: Plymouth 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 Plymouth

In October, Plymouth experiences a vibrant shift from the sun-drenched days of summer, with an impressive 262 hours of sunshine that herald the onset of autumn. The sunshine hours taper off compared to the summer peak, where July dazzles with 428 hours. As the year progresses, there's a noticeable decline from the heights of May and June, each boasting over 400 hours, signaling the transition to shorter days. Despite this reduction, October still outshines the dreary months of November and December, which offer a mere 155 and 121 hours respectively. This transitional month provides a delightful balance of warmth and color, perfect for enjoying the stunning fall foliage before winter descends.

Monthly Sunshine Duration in Plymouth: October Highlighted

The October sunshine duration represents the total number of hours Plymouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h160h234h358h410h408h428h392h330h262h155h121h
Data source: Plymouth October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Plymouth During October

In Plymouth, United Kingdom, the likelihood of sunny weather tends to fluctuate throughout the year, with October presenting a relatively modest 27% chance of sunshine. Interestingly, while this figure is higher than the winter months of January (24%) and December (20%), it marks a decline compared to the warmer spring month of April, which boasts the highest likelihood of sun at 55%. As autumn settles in, the chance of sun dips slightly from the 35% experienced in September, indicating a shift as the days shorten and the weather becomes more unpredictable. This trend emphasizes that while October might offer some welcome sunny days, it is wise to be prepared for the potential of more overcast conditions as the season progresses.

Percentage of Sunny Days in October in Plymouth

The chart illustrates the percentage of sunny days in Plymouth 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 Plymouth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%25%35%55%34%30%40%32%35%27%29%20%
Data source: Plymouth October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Plymouth in October

As October unfolds in Plymouth, the daylight begins to wane, offering around 10 hours of light each day—a gentle decline from the vibrant 12 hours of September. This transition marks the onset of autumn, as days gradually grow shorter leading into winter. Prior months showcased an impressive increase in sunlight, peaking at 16 hours in June before slowly tapering off, with October echoing the shorter days of January and November, both locked at 8 hours. The shift in daylight not only influences the rhythm of daily life in Plymouth but also paints the landscape in warm, golden tones, inviting residents and visitors alike to savor the crisp air and the soft glow of early sunsets.

Average Daylight Hours in Plymouth for October

The chart illustrates the variation in daylight duration in Plymouth throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 33m10h 3m11h 55m13h 49m15h 28m16h 20m15h 52m14h 23m12h 33m10h 40m8h 58m8h 4m
Data source: Plymouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Plymouth

As October arrives in Plymouth, United Kingdom, the average wind speed picks up to 6.5 m/s (15 mph), marking a noticeable return to briskness after the more tranquil summer months. This shift reflects a transition from the gentle breezes of June and July, which recorded the year's lowest speeds, toward a more dynamic autumn climate. While September's winds lingered at a mild 5.1 m/s, October's gusts signal the onset of winter's approach, reminiscent of the stronger currents seen in March and the high of December. As the leaves begin to change and preparations for colder days begin, the October winds stir a refreshing energy, inviting locals and visitors alike to embrace the season's charm.

Average October Wind Speed in Plymouth

The chart displays monthly wind speed patterns in Plymouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.38.36.55.36.74.35.15.35.16.5 m/s5.98.2
Data source: Plymouth October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Plymouth Compares to Other Months

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

In comparing the weather of October and January, a noticeable shift occurs. October typically experiences milder temperatures, with averages around 13°C (56°F) and a maximum of 19°C (66°F), while January is cooler, averaging just 8°C (47°F) and reaching a maximum of 14°C (57°F). Additionally, October is significantly wetter, with 138 mm (5.4 in) of precipitation over 16 days, compared to January's 78 mm (3.1 in) across 12 days. Humidity levels remain similar, with October at 89% and January slightly lower at 88%. For more detailed information on January weather in Plymouth, you can check out Plymouth weather in January.

October and February offer distinct weather experiences, reflecting the transition from autumn to winter. In October, temperatures range from a minimum of 5°C (41°F) to a maximum of 19°C (66°F), with an average of 13°C (56°F). The month sees considerable precipitation, totaling 138 mm (5.4 in) over approximately 16 days, accompanied by high humidity at 89%. In contrast, February presents cooler conditions, with temperatures dipping to as low as -1°C (31°F) and peaking at 13°C (55°F), yielding an average of 8°C (47°F). Precipitation is slightly less, at 102 mm (4.0 in) over about 15 days, and humidity remains comparable at 88%. For more detailed insights, visit Plymouth weather in February.

When comparing the weather in October and March, we see distinct differences in temperature and precipitation. October tends to be milder, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 19°C (66°F), while March experiences cooler conditions, with temperatures dropping as low as -2°C (29°F) and peaking at 14°C (57°F). Precipitation is more abundant in October, totaling 138 mm (5.4 in) over 16 days, compared to March's 93 mm (3.7 in) across 15 days. Despite the slight difference in humidity levels—89% in October versus 86% in March—both months offer a notable presence of rainfall. For more details, you can check Plymouth weather in March.

When comparing the weather in October and April, October typically showcases slightly milder temperatures, with an average of 13°C (56°F) and maximum highs of 19°C (66°F), while April sees cooler averages around 10°C (50°F) and maximums reaching 17°C (62°F). Additionally, October is considerably wetter, with total precipitation of 138 mm (5.4 in) over 16 days, compared to April's 48 mm (1.9 in) over just 8 days. Humidity levels are also higher in October at 89%, compared to April's 84%. For more specific weather details, visit Plymouth weather in April.

When comparing the weather in October and May, both months experience similar maximum temperatures, hovering around 19°C (66°F). However, October tends to be slightly cooler overall, with an average temperature of 13°C (56°F) compared to May's average of 12°C (54°F). October also brings more precipitation, receiving 138 mm (5.4 in) over approximately 16 days, while May has a much drier climate with only 75 mm (2.9 in) across 11 days. Additionally, October's humidity is higher at 89%, compared to May's 80%. For more detailed information, you can check Plymouth weather in May.

October and June showcase distinctly different weather patterns. In October, temperatures range from a minimum of 5°C (41°F) to a maximum of 19°C (66°F), with an average of 13°C (56°F). The month is characterized by higher precipitation, averaging 138 mm (5.4 in) over 16 days, contributing to a humidity level of 89%. In contrast, June offers milder temperatures, with a minimum of 10°C (50°F) and a maximum of 22°C (72°F), averaging 15°C (59°F). Precipitation is significantly lower in June, totaling 77 mm (3.0 in) across 12 days, and the humidity is also reduced at 80%. For more details, check out Plymouth weather in June.

The weather in October is significantly cooler and wetter compared to July. With average temperatures ranging from 5°C (41°F) to a maximum of 19°C (66°F), October's climate reflects the onset of autumn, featuring higher humidity at 89% and more precipitation, totaling 138 mm (5.4 in) over about 16 days. In contrast, July enjoys milder temperatures, with a minimum of 12°C (53°F) and a maximum of 24°C (75°F), alongside lower humidity levels at 70% and less rainfall, totaling 72 mm (2.8 in) over approximately 10 days. For those interested in July’s weather specifics, you can check out Plymouth weather in July.

When comparing the weather in August and October, notable differences emerge. August tends to be warmer, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), while October experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 19°C (66°F). Additionally, October is considerably wetter, receiving 138 mm (5.4 in) of precipitation over 16 days, compared to August's 78 mm (3.1 in) over just 12 days. Humidity also peaks in October at 89%, significantly higher than August's 73%. For a more detailed look at conditions during this summer month, you can visit Plymouth weather in August.

In comparing the weather between September and October, October tends to be cooler and wetter. The average temperatures in October range from a minimum of 5°C to a maximum of 19°C, compared to September's minimum of 10°C and maximum of 21°C. Additionally, October experiences significantly higher precipitation, measuring 138 mm over 16 days, while September sees only 73 mm over 12 days. Humidity levels also rise in October, averaging 89% compared to September's 79%. For a detailed look at September weather, please visit Plymouth weather in September.

In October, the weather tends to be milder with average temperatures reaching 13°C (56°F) during the day, while November sees a drop in the average temperature to 11°C (52°F). The maximum temperature in October can reach up to 19°C (66°F), compared to a cooler 16°C (60°F) in November. Precipitation levels are slightly higher in October, with 138 mm (5.4 in) of rain over 16 days, while November experiences 115 mm (4.5 in) across 17 days, indicating a slightly wetter month despite the lower total rainfall. Humidity remains high in both months, with November at 90% compared to October's 89%. For more detailed information, check out Plymouth weather in November.

In October, temperatures range from a minimum of 5°C (41°F) to a maximum of 19°C (66°F), with an average of 13°C (56°F). The month experiences significant rainfall, with 138 mm (5.4 in) of precipitation spread over approximately 16 days. Humidity remains high at 89%.

In contrast, December sees slightly cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 14°C (57°F), averaging at 10°C (49°F). Rainfall increases to 141 mm (5.6 in) over about 20 days, maintaining the same high humidity level of 89%.

For more detailed information about winter weather, you can check Plymouth weather in December.

Compare Plymouth's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Plymouth

As October arrives in Plymouth, the weather takes on a distinctly autumnal character, offering a unique transition from the mildness of late summer. With average temperatures settling around 13°C (56°F), the days become cooler and brisk, while the evenings can dip down considerably. This month is notably wetter, with about 16 days of rainfall contributing to a total of 138 mm (5.4 in), making it one of the more precipitated months of the year. The high humidity, often reaching 89%, adds an extra layer of chill, contrasting sharply with the drier conditions of summer. For those interested in a more comprehensive look at how Plymouth's climate varies throughout the year, be sure to explore Plymouth Climate.