October Weather in Saint-Malo, France

Last updated: February 26, 2025

October in Saint-Malo, France showcases a picturesque transition into autumn, with temperatures ranging from a comfortable maximum of 21°C (71°F) to a brisk minimum of 8°C (47°F). The average temperature hovers around 15°C (59°F), inviting visitors to enjoy the scenic coastal charm. However, expect a fair share of precipitation, with about 140 mm (5.5 in) of rain spread over 17 days, contributing to the region's lush landscapes and vibrant fall hues. With a humidity level of 89%, the air carries a refreshing coastal breeze, making October an ideal time for exploring this historic port town's stunning shores and captivating architecture.

October Temperature in Saint-Malo

In Saint-Malo, October ushers in a refreshing change with temperatures that range from a minimum of 8°C (47°F) to a maximum of 21°C (71°F). As autumn deepens, you can expect a pleasant average of about 15°C (59°F), making it an ideal time for coastal strolls or exploring the charming old town. The warmth of September lingers, but there's a noticeable shift towards cooler days, hinting at the winter chill to come. This transitional month beautifully showcases Saint-Malo's mild climate, inviting visitors to enjoy its stunning landscapes before the winter winds take hold.

October Weather in Saint-Malo: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Saint-Malo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464748515560646463595249
Data source: Temperature data for Saint-Malo 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 Saint-Malo

In October, Saint-Malo experiences a notable surge in rainfall, with 140 mm (5.5 in) of precipitation recorded over 17 days. This marks a significant increase compared to the preceding months, highlighting October as one of the wettest periods of the year. As summer gives way to autumn, the city's weather shifts from the relative dryness of July and August, which see just 46 mm and 63 mm respectively, to the more persistent rainfall of fall. The pattern of increasing precipitation continues into November and December, often bringing a total of 122 mm and 164 mm respectively. This trend reflects the transition from the drier summer months to the wetter, cooler conditions typical of the late autumn and winter seasons in Saint-Malo.

October Precipitation Trends in Saint-Malo

The chart displays monthly precipitation patterns in Saint-Malo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec889070406774466386140122164
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Saint-Malo

As October arrives in Saint-Malo, the coastal city experiences a notable increase in humidity, climbing back to 89% after the relatively drier months of summer. Following a downward trend from a humid 90% in January, the levels have slowly dipped to a low of 69% in July before slightly rising again. The transformation from the sun-soaked months of July and August, with their comfortable humidities of 69% and 73%, signals the transition of autumn. By the time October rolls around, the air is thickening once more, foreshadowing the wetter conditions of late fall, as November and December bring even higher humidity levels at 92%. This rhythm of humidity reflects Saint-Malo's unique maritime climate, shaped by seasonal shifts and a picturesque landscape.

October Average Humidity in Saint-Malo

This chart illustrates the average monthly humidity levels in Saint-Malo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Saint-Malo

As October rolls into Saint-Malo, the UV Index dips to a moderate level of 4, indicating a shift from the high summer readings of 8 to 9. With a burn time of 30 minutes, this month encourages sun-seekers to enjoy the pleasant fall weather while still being mindful of sun protection. The trend showcases a gradual decline in UV exposure from the peak summer months, complementing the cooler temps of autumn. As the days grow shorter and the sun's rays mellow, it's a perfect time to embrace outdoor activities while taking care to protect your skin. For more insights on UV levels throughout the year, visit Saint-Malo UV Index.

Maximum UV Index Levels in Saint-Malo for October

The chart shows the monthly maximum UV Index (UVI) for Saint-Malo 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Saint-Malo 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 Saint-Malo

October in Saint-Malo, France, reveals a charming decline in sunshine hours, offering 268 hours of golden light. As summer fades, the sunlit hours are noticeably less than the peak of July, which boasts an impressive 424 hours. However, October still provides a delightful autumn ambiance, perfectly balanced between the vibrancy of summer and the cooler shades of winter. The trend shows a gradual descent from the sunniest months, inviting locals and visitors alike to bask in the crisp air and the beauty of changing leaves, while reminiscing about the sun-drenched days of earlier months. With its rich history and stunning coastline, October presents a unique opportunity to experience Saint-Malo under a softer sun.

Monthly Sunshine Duration in Saint-Malo: October Highlighted

The October sunshine duration represents the total number of hours Saint-Malo 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.
JanFebMarAprMayJunJulAugSepOctNovDec141h203h285h352h406h394h424h386h329h268h221h186h
Data source: Saint-Malo October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint-Malo During October

As October rolls into Saint-Malo, France, the likelihood of sunny days hovers around 40%, hinting at a pleasant transition into autumn. While this percentage is a slight dip compared to the vibrant early spring months like April, it remains relatively high when juxtaposed with the drier summer months of June and July. Observing the broader trends throughout the year, one can see that October offers a balanced mix of cloud cover and sunshine, paving the way for delightful, crisp days perfect for exploring the scenic coastlines. This month stands out among the cooler autumn periods, providing locals and visitors alike with a fair chance of enjoying the sun before winter settles in.

Percentage of Sunny Days in October in Saint-Malo

The chart illustrates the percentage of sunny days in Saint-Malo 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 Saint-Malo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%31%45%62%38%36%47%41%44%40%34%25%
Data source: Saint-Malo October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint-Malo in October

As October unfolds in Saint-Malo, France, the city's charming coastal beauty is illuminated by approximately 10 hours of daylight. This marks a gradual decline from the sun-drenched days of summer, where June boasts a generous 16 hours. As autumn sets in, the transition is evident, especially when compared to the earlier months of the year; for instance, daylight increases from 8 hours in January to a peak of 15 hours in May. By October, the daylight begins to echo the shorter days that characterize winter, hinting at the approaching 9 hours in November and 8 hours in December. This rhythmic ebb and flow of daylight not only enhances the scenic allure of Saint-Malo but also invites locals and visitors alike to savor the vibrant hues of fall as they enjoy the brisk air and fading golden light.

Average Daylight Hours in Saint-Malo for October

The chart illustrates the variation in daylight duration in Saint-Malo throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 46m10h 11m11h 55m13h 43m15h 15m16h 3m15h 38m14h 15m12h 31m10h 45m9h 10m8h 20m
Data source: Saint-Malo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Saint-Malo

As October settles in Saint-Malo, the average wind speed rises to a refreshing 6.5 m/s (15 mph), marking a shift from the calmer summer months. While June welcomed gentle breezes with an average of only 4.6 m/s (10 mph), October's winds echo the strength found earlier in the year, particularly in January and February. The transition into autumn brings a noticeable uptick in wind intensity, bridging the mildness of summer with the brisk energy of winter. This month stands out as a harmonious blend of vibrant autumn colors and invigorating gusts, inviting locals and visitors alike to embrace the spirited change of the season. As the days grow shorter, October's winds flirt playfully with the sea, creating an enchanting atmosphere perfect for exploration and adventure along the stunning coastline.

Average October Wind Speed in Saint-Malo

The chart displays monthly wind speed patterns in Saint-Malo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.97.46.46.37.04.65.55.95.36.5 m/s6.47.8
Data source: Saint-Malo October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Saint-Malo Compares to Other Months

The weather in Saint-Malo 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 Saint-Malo and find detailed weather information for every month.

October and January present contrasting weather patterns. In October, temperatures generally range from a mild 8°C (47°F) to a comfortable 21°C (71°F), with an average of 15°C (59°F). The month is characterized by significant rainfall, totaling 140 mm (5.5 in) over 17 days, while humidity remains high at 89%. In comparison, January experiences a notable drop in temperature, with a minimum of 1°C (34°F) and a maximum of 14°C (58°F), averaging just 8°C (47°F). Precipitation decreases to 88 mm (3.5 in) over 14 days, along with a slightly higher humidity level of 90%. For a more detailed look at January conditions, you can visit Saint-Malo weather in January.

When comparing the weather in October and February, notable differences emerge. October typically experiences milder temperatures, with average highs around 15°C (59°F) and lows not dipping below 8°C (47°F), while February is much cooler, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 14°C (57°F). Precipitation levels are higher in October, with 140 mm (5.5 in) spread over 17 days compared to February's 90 mm (3.5 in) over 15 days. Despite these shifts in temperature and precipitation, both months maintain a consistent humidity level of 89%. For more detailed insights, you can check Saint-Malo weather in February.

In October, the weather is generally milder, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 21°C (71°F), and an average of 15°C (59°F). The month also experiences higher precipitation levels, accumulating around 140 mm (5.5 in) over approximately 17 days, coupled with a high humidity of 89%. In contrast, March begins to cool down, showcasing a minimum temperature of -2°C (29°F) and a maximum of 16°C (60°F), with an average of 9°C (48°F). Precipitation is less frequent, totaling around 70 mm (2.8 in) over 15 days, while humidity remains slightly lower at 86%. For a more detailed look at the weather in March, you can follow this link: Saint-Malo weather in March.

When comparing the weather in October and April, there are some notable differences. October typically features milder temperatures, ranging from a minimum of 8°C (47°F) to a maximum of 21°C (71°F), with an average of 15°C (59°F). In contrast, April is cooler, with temperatures ranging from 5°C (42°F) to 18°C (64°F) and an average of 11°C (51°F). Additionally, October sees significantly more precipitation, with 140 mm (5.5 in) falling over 17 days, while April has a mere 40 mm (1.6 in) over just 8 days. Humidity levels are also higher in October at 89%, compared to 84% in April. For a closer look at the specifics of April weather, you can visit Saint-Malo weather in April.

When comparing the weather in October and May, both months experience similar maximum temperatures, reaching up to 21°C (71°F). However, October tends to be cooler overall, with an average temperature of 15°C (59°F) compared to May's lower average of 13°C (56°F). Additionally, October is wetter, receiving 140 mm (5.5 in) of precipitation over 17 days, while May sees only 67 mm (2.6 in) over 11 days. The humidity in October is also higher at 89%, compared to 80% in May. For more insights into the weather specifics of May, you can check out Saint-Malo weather in May.

In comparing the weather between October and June, October experiences cooler temperatures, with a minimum of 8°C (47°F) and an average of 15°C (59°F), while June boasts warmer conditions with a minimum of 12°C (53°F) and an average of 16°C (61°F). Additionally, June can reach maximum temperatures of 27°C (80°F), significantly higher than October's maximum of 21°C (71°F). Rainfall is more frequent in October, with 140 mm (5.5 in) over 17 days compared to June's 74 mm (2.9 in) across 11 days. The humidity levels are also higher in October at 89%, compared to 80% in June. For more details on the June weather in Saint-Malo, visit Saint-Malo weather in June.

When comparing the weather in October and July, there are notable differences in temperature and precipitation. October experiences a cooler climate, with average temperatures ranging from a low of 8°C (47°F) to a high of 21°C (71°F), while July enjoys warmer conditions, with temperatures averaging between 14°C (57°F) and 28°C (83°F). Additionally, October is significantly wetter, receiving about 140 mm (5.5 in) of rainfall over 17 days, compared to July's much drier climate, which sees only 46 mm (1.8 in) over 9 days. Furthermore, October's humidity is higher at 89%, in contrast to July's 69%, contributing to a distinctly different feel between the two months. For more detailed information on weather during this period, you can refer to Saint-Malo weather in July.

In comparing the weather of October and August, October tends to be cooler and wetter. The average temperature in October ranges from a minimum of 8°C (47°F) to a maximum of 21°C (71°F), with an average of 15°C (59°F). This contrasts with August, where temperatures are warmer, ranging from 14°C (57°F) to 25°C (77°F) and averaging 18°C (65°F). Additionally, October experiences significantly higher precipitation, totaling 140 mm (5.5 in) over 17 days, compared to August's 63 mm (2.5 in) over just 11 days. The humidity also rises in October to 89%, compared to 73% in August, making for a more humid atmosphere. For more detailed information, you can check Saint-Malo weather in August.

In September, temperatures were generally warmer, with a minimum of 12°C (53°F), an average of 17°C (63°F), and a maximum of 25°C (78°F). The month experienced less precipitation, totaling 86 mm (3.4 in) over 11 days, and humidity levels were at a more comfortable 79%. In contrast, October brought cooler weather, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 21°C (71°F), averaging at 15°C (59°F). This month saw a significant increase in precipitation, accumulating 140 mm (5.5 in) over 17 days, and humidity rose to a high of 89%. For a closer look at September weather patterns, you can visit Saint-Malo weather in September.

In October, the weather is generally milder with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 21°C (71°F), averaging around 15°C (59°F). This month experiences significant rainfall, accumulating 140 mm (5.5 in) over 17 days, and the humidity is relatively high at 89%. In contrast, November sees a drop in temperatures, with minimums around 5°C (41°F) and maximums reaching 17°C (63°F), averaging only 11°C (53°F). Precipitation decreases slightly to 122 mm (4.8 in) over 16 days, while humidity increases to 92%. For more details on November weather, you can visit Saint-Malo weather in November.

In October, the weather is generally milder, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 21°C (71°F) and an average of 15°C (59°F). In contrast, December brings cooler conditions, with temperatures dropping to a minimum of 3°C (37°F) and an average of 9°C (49°F), peaking at 14°C (57°F). Both months experience significant precipitation, with October receiving 140 mm (5.5 in) over 17 days and December slightly higher at 164 mm (6.4 in) over 20 days. Humidity also increases from 89% in October to 92% in December, making the latter feel even chillier. For more detailed insights, you can check Saint-Malo weather in December.

Compare Saint-Malo's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Saint-Malo

As October sets in, Saint-Malo experiences a distinct shift in weather, transitioning from the warmer summer months to a cooler, more unpredictable climate. With an increase in humidity and significant rainfall spread across several days, this month stands out for its damp and breezy conditions. While temperatures can still reach a comfortable high, the average cools down considerably, inviting visitors to bundle up and explore the rich history and stunning coastline of this beautiful coastal city. To understand how this atmospheric change contributes to the overall climate pattern, be sure to check out Saint-Malo Climate.